diff options
Diffstat (limited to '3rdparty/libuv/src/unix')
37 files changed, 0 insertions, 17091 deletions
diff --git a/3rdparty/libuv/src/unix/aix.c b/3rdparty/libuv/src/unix/aix.c deleted file mode 100644 index bcaa5ee50bc..00000000000 --- a/3rdparty/libuv/src/unix/aix.c +++ /dev/null @@ -1,1161 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <stdio.h> -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <errno.h> - -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/ioctl.h> -#include <net/if.h> -#include <netinet/in.h> -#include <arpa/inet.h> - -#include <sys/time.h> -#include <unistd.h> -#include <fcntl.h> -#include <utmp.h> -#include <libgen.h> - -#include <sys/protosw.h> -#include <libperfstat.h> -#include <procinfo.h> -#include <sys/proc.h> -#include <sys/procfs.h> - -#include <sys/poll.h> - -#include <sys/pollset.h> -#include <ctype.h> -#ifdef HAVE_SYS_AHAFS_EVPRODS_H -#include <sys/ahafs_evProds.h> -#endif - -#include <sys/mntctl.h> -#include <sys/vmount.h> -#include <limits.h> -#include <strings.h> -#include <sys/vnode.h> - -#define RDWR_BUF_SIZE 4096 -#define EQ(a,b) (strcmp(a,b) == 0) - -int uv__platform_loop_init(uv_loop_t* loop) { - loop->fs_fd = -1; - - /* Passing maxfd of -1 should mean the limit is determined - * by the user's ulimit or the global limit as per the doc */ - loop->backend_fd = pollset_create(-1); - - if (loop->backend_fd == -1) - return -1; - - return 0; -} - - -void uv__platform_loop_delete(uv_loop_t* loop) { - if (loop->fs_fd != -1) { - uv__close(loop->fs_fd); - loop->fs_fd = -1; - } - - if (loop->backend_fd != -1) { - pollset_destroy(loop->backend_fd); - loop->backend_fd = -1; - } -} - - -int uv__io_check_fd(uv_loop_t* loop, int fd) { - struct poll_ctl pc; - - pc.events = POLLIN; - pc.cmd = PS_MOD; /* Equivalent to PS_ADD if the fd is not in the pollset. */ - pc.fd = fd; - - if (pollset_ctl(loop->backend_fd, &pc, 1)) - return -errno; - - pc.cmd = PS_DELETE; - if (pollset_ctl(loop->backend_fd, &pc, 1)) - abort(); - - return 0; -} - - -void uv__io_poll(uv_loop_t* loop, int timeout) { - struct pollfd events[1024]; - struct pollfd pqry; - struct pollfd* pe; - struct poll_ctl pc; - QUEUE* q; - uv__io_t* w; - uint64_t base; - uint64_t diff; - int nevents; - int count; - int nfds; - int i; - int rc; - int add_failed; - - if (loop->nfds == 0) { - assert(QUEUE_EMPTY(&loop->watcher_queue)); - return; - } - - while (!QUEUE_EMPTY(&loop->watcher_queue)) { - q = QUEUE_HEAD(&loop->watcher_queue); - QUEUE_REMOVE(q); - QUEUE_INIT(q); - - w = QUEUE_DATA(q, uv__io_t, watcher_queue); - assert(w->pevents != 0); - assert(w->fd >= 0); - assert(w->fd < (int) loop->nwatchers); - - pc.events = w->pevents; - pc.fd = w->fd; - - add_failed = 0; - if (w->events == 0) { - pc.cmd = PS_ADD; - if (pollset_ctl(loop->backend_fd, &pc, 1)) { - if (errno != EINVAL) { - assert(0 && "Failed to add file descriptor (pc.fd) to pollset"); - abort(); - } - /* Check if the fd is already in the pollset */ - pqry.fd = pc.fd; - rc = pollset_query(loop->backend_fd, &pqry); - switch (rc) { - case -1: - assert(0 && "Failed to query pollset for file descriptor"); - abort(); - case 0: - assert(0 && "Pollset does not contain file descriptor"); - abort(); - } - /* If we got here then the pollset already contained the file descriptor even though - * we didn't think it should. This probably shouldn't happen, but we can continue. */ - add_failed = 1; - } - } - if (w->events != 0 || add_failed) { - /* Modify, potentially removing events -- need to delete then add. - * Could maybe mod if we knew for sure no events are removed, but - * content of w->events is handled above as not reliable (falls back) - * so may require a pollset_query() which would have to be pretty cheap - * compared to a PS_DELETE to be worth optimizing. Alternatively, could - * lazily remove events, squelching them in the mean time. */ - pc.cmd = PS_DELETE; - if (pollset_ctl(loop->backend_fd, &pc, 1)) { - assert(0 && "Failed to delete file descriptor (pc.fd) from pollset"); - abort(); - } - pc.cmd = PS_ADD; - if (pollset_ctl(loop->backend_fd, &pc, 1)) { - assert(0 && "Failed to add file descriptor (pc.fd) to pollset"); - abort(); - } - } - - w->events = w->pevents; - } - - assert(timeout >= -1); - base = loop->time; - count = 48; /* Benchmarks suggest this gives the best throughput. */ - - for (;;) { - nfds = pollset_poll(loop->backend_fd, - events, - ARRAY_SIZE(events), - timeout); - - /* Update loop->time unconditionally. It's tempting to skip the update when - * timeout == 0 (i.e. non-blocking poll) but there is no guarantee that the - * operating system didn't reschedule our process while in the syscall. - */ - SAVE_ERRNO(uv__update_time(loop)); - - if (nfds == 0) { - assert(timeout != -1); - return; - } - - if (nfds == -1) { - if (errno != EINTR) { - abort(); - } - - if (timeout == -1) - continue; - - if (timeout == 0) - return; - - /* Interrupted by a signal. Update timeout and poll again. */ - goto update_timeout; - } - - nevents = 0; - - assert(loop->watchers != NULL); - loop->watchers[loop->nwatchers] = (void*) events; - loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds; - - for (i = 0; i < nfds; i++) { - pe = events + i; - pc.cmd = PS_DELETE; - pc.fd = pe->fd; - - /* Skip invalidated events, see uv__platform_invalidate_fd */ - if (pc.fd == -1) - continue; - - assert(pc.fd >= 0); - assert((unsigned) pc.fd < loop->nwatchers); - - w = loop->watchers[pc.fd]; - - if (w == NULL) { - /* File descriptor that we've stopped watching, disarm it. - * - * Ignore all errors because we may be racing with another thread - * when the file descriptor is closed. - */ - pollset_ctl(loop->backend_fd, &pc, 1); - continue; - } - - w->cb(loop, w, pe->revents); - nevents++; - } - - loop->watchers[loop->nwatchers] = NULL; - loop->watchers[loop->nwatchers + 1] = NULL; - - if (nevents != 0) { - if (nfds == ARRAY_SIZE(events) && --count != 0) { - /* Poll for more events but don't block this time. */ - timeout = 0; - continue; - } - return; - } - - if (timeout == 0) - return; - - if (timeout == -1) - continue; - -update_timeout: - assert(timeout > 0); - - diff = loop->time - base; - if (diff >= (uint64_t) timeout) - return; - - timeout -= diff; - } -} - - -uint64_t uv__hrtime(uv_clocktype_t type) { - uint64_t G = 1000000000; - timebasestruct_t t; - read_wall_time(&t, TIMEBASE_SZ); - time_base_to_time(&t, TIMEBASE_SZ); - return (uint64_t) t.tb_high * G + t.tb_low; -} - - -/* - * We could use a static buffer for the path manipulations that we need outside - * of the function, but this function could be called by multiple consumers and - * we don't want to potentially create a race condition in the use of snprintf. - * There is no direct way of getting the exe path in AIX - either through /procfs - * or through some libc APIs. The below approach is to parse the argv[0]'s pattern - * and use it in conjunction with PATH environment variable to craft one. - */ -int uv_exepath(char* buffer, size_t* size) { - int res; - char args[PATH_MAX]; - char abspath[PATH_MAX]; - size_t abspath_size; - struct procsinfo pi; - - if (buffer == NULL || size == NULL || *size == 0) - return -EINVAL; - - pi.pi_pid = getpid(); - res = getargs(&pi, sizeof(pi), args, sizeof(args)); - if (res < 0) - return -EINVAL; - - /* - * Possibilities for args: - * i) an absolute path such as: /home/user/myprojects/nodejs/node - * ii) a relative path such as: ./node or ../myprojects/nodejs/node - * iii) a bare filename such as "node", after exporting PATH variable - * to its location. - */ - - /* Case i) and ii) absolute or relative paths */ - if (strchr(args, '/') != NULL) { - if (realpath(args, abspath) != abspath) - return -errno; - - abspath_size = strlen(abspath); - - *size -= 1; - if (*size > abspath_size) - *size = abspath_size; - - memcpy(buffer, abspath, *size); - buffer[*size] = '\0'; - - return 0; - } else { - /* Case iii). Search PATH environment variable */ - char trypath[PATH_MAX]; - char *clonedpath = NULL; - char *token = NULL; - char *path = getenv("PATH"); - - if (path == NULL) - return -EINVAL; - - clonedpath = uv__strdup(path); - if (clonedpath == NULL) - return -ENOMEM; - - token = strtok(clonedpath, ":"); - while (token != NULL) { - snprintf(trypath, sizeof(trypath) - 1, "%s/%s", token, args); - if (realpath(trypath, abspath) == abspath) { - /* Check the match is executable */ - if (access(abspath, X_OK) == 0) { - abspath_size = strlen(abspath); - - *size -= 1; - if (*size > abspath_size) - *size = abspath_size; - - memcpy(buffer, abspath, *size); - buffer[*size] = '\0'; - - uv__free(clonedpath); - return 0; - } - } - token = strtok(NULL, ":"); - } - uv__free(clonedpath); - - /* Out of tokens (path entries), and no match found */ - return -EINVAL; - } -} - - -uint64_t uv_get_free_memory(void) { - perfstat_memory_total_t mem_total; - int result = perfstat_memory_total(NULL, &mem_total, sizeof(mem_total), 1); - if (result == -1) { - return 0; - } - return mem_total.real_free * 4096; -} - - -uint64_t uv_get_total_memory(void) { - perfstat_memory_total_t mem_total; - int result = perfstat_memory_total(NULL, &mem_total, sizeof(mem_total), 1); - if (result == -1) { - return 0; - } - return mem_total.real_total * 4096; -} - - -void uv_loadavg(double avg[3]) { - perfstat_cpu_total_t ps_total; - int result = perfstat_cpu_total(NULL, &ps_total, sizeof(ps_total), 1); - if (result == -1) { - avg[0] = 0.; avg[1] = 0.; avg[2] = 0.; - return; - } - avg[0] = ps_total.loadavg[0] / (double)(1 << SBITS); - avg[1] = ps_total.loadavg[1] / (double)(1 << SBITS); - avg[2] = ps_total.loadavg[2] / (double)(1 << SBITS); -} - - -#ifdef HAVE_SYS_AHAFS_EVPRODS_H -static char *uv__rawname(char *cp) { - static char rawbuf[FILENAME_MAX+1]; - char *dp = rindex(cp, '/'); - - if (dp == 0) - return 0; - - *dp = 0; - strcpy(rawbuf, cp); - *dp = '/'; - strcat(rawbuf, "/r"); - strcat(rawbuf, dp+1); - return rawbuf; -} - - -/* - * Determine whether given pathname is a directory - * Returns 0 if the path is a directory, -1 if not - * - * Note: Opportunity here for more detailed error information but - * that requires changing callers of this function as well - */ -static int uv__path_is_a_directory(char* filename) { - struct stat statbuf; - - if (stat(filename, &statbuf) < 0) - return -1; /* failed: not a directory, assume it is a file */ - - if (statbuf.st_type == VDIR) - return 0; - - return -1; -} - - -/* - * Check whether AHAFS is mounted. - * Returns 0 if AHAFS is mounted, or an error code < 0 on failure - */ -static int uv__is_ahafs_mounted(void){ - int rv, i = 2; - struct vmount *p; - int size_multiplier = 10; - size_t siz = sizeof(struct vmount)*size_multiplier; - struct vmount *vmt; - const char *dev = "/aha"; - char *obj, *stub; - - p = uv__malloc(siz); - if (p == NULL) - return -errno; - - /* Retrieve all mounted filesystems */ - rv = mntctl(MCTL_QUERY, siz, (char*)p); - if (rv < 0) - return -errno; - if (rv == 0) { - /* buffer was not large enough, reallocate to correct size */ - siz = *(int*)p; - uv__free(p); - p = uv__malloc(siz); - if (p == NULL) - return -errno; - rv = mntctl(MCTL_QUERY, siz, (char*)p); - if (rv < 0) - return -errno; - } - - /* Look for dev in filesystems mount info */ - for(vmt = p, i = 0; i < rv; i++) { - obj = vmt2dataptr(vmt, VMT_OBJECT); /* device */ - stub = vmt2dataptr(vmt, VMT_STUB); /* mount point */ - - if (EQ(obj, dev) || EQ(uv__rawname(obj), dev) || EQ(stub, dev)) { - uv__free(p); /* Found a match */ - return 0; - } - vmt = (struct vmount *) ((char *) vmt + vmt->vmt_length); - } - - /* /aha is required for monitoring filesystem changes */ - return -1; -} - -/* - * Recursive call to mkdir() to create intermediate folders, if any - * Returns code from mkdir call - */ -static int uv__makedir_p(const char *dir) { - char tmp[256]; - char *p = NULL; - size_t len; - int err; - - snprintf(tmp, sizeof(tmp),"%s",dir); - len = strlen(tmp); - if (tmp[len - 1] == '/') - tmp[len - 1] = 0; - for (p = tmp + 1; *p; p++) { - if (*p == '/') { - *p = 0; - err = mkdir(tmp, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH); - if (err != 0 && errno != EEXIST) - return err; - *p = '/'; - } - } - return mkdir(tmp, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH); -} - -/* - * Creates necessary subdirectories in the AIX Event Infrastructure - * file system for monitoring the object specified. - * Returns code from mkdir call - */ -static int uv__make_subdirs_p(const char *filename) { - char cmd[2048]; - char *p; - int rc = 0; - - /* Strip off the monitor file name */ - p = strrchr(filename, '/'); - - if (p == NULL) - return 0; - - if (uv__path_is_a_directory((char*)filename) == 0) { - sprintf(cmd, "/aha/fs/modDir.monFactory"); - } else { - sprintf(cmd, "/aha/fs/modFile.monFactory"); - } - - strncat(cmd, filename, (p - filename)); - rc = uv__makedir_p(cmd); - - if (rc == -1 && errno != EEXIST){ - return -errno; - } - - return rc; -} - - -/* - * Checks if /aha is mounted, then proceeds to set up the monitoring - * objects for the specified file. - * Returns 0 on success, or an error code < 0 on failure - */ -static int uv__setup_ahafs(const char* filename, int *fd) { - int rc = 0; - char mon_file_write_string[RDWR_BUF_SIZE]; - char mon_file[PATH_MAX]; - int file_is_directory = 0; /* -1 == NO, 0 == YES */ - - /* Create monitor file name for object */ - file_is_directory = uv__path_is_a_directory((char*)filename); - - if (file_is_directory == 0) - sprintf(mon_file, "/aha/fs/modDir.monFactory"); - else - sprintf(mon_file, "/aha/fs/modFile.monFactory"); - - if ((strlen(mon_file) + strlen(filename) + 5) > PATH_MAX) - return -ENAMETOOLONG; - - /* Make the necessary subdirectories for the monitor file */ - rc = uv__make_subdirs_p(filename); - if (rc == -1 && errno != EEXIST) - return rc; - - strcat(mon_file, filename); - strcat(mon_file, ".mon"); - - *fd = 0; errno = 0; - - /* Open the monitor file, creating it if necessary */ - *fd = open(mon_file, O_CREAT|O_RDWR); - if (*fd < 0) - return -errno; - - /* Write out the monitoring specifications. - * In this case, we are monitoring for a state change event type - * CHANGED=YES - * We will be waiting in select call, rather than a read: - * WAIT_TYPE=WAIT_IN_SELECT - * We only want minimal information for files: - * INFO_LVL=1 - * For directories, we want more information to track what file - * caused the change - * INFO_LVL=2 - */ - - if (file_is_directory == 0) - sprintf(mon_file_write_string, "CHANGED=YES;WAIT_TYPE=WAIT_IN_SELECT;INFO_LVL=2"); - else - sprintf(mon_file_write_string, "CHANGED=YES;WAIT_TYPE=WAIT_IN_SELECT;INFO_LVL=1"); - - rc = write(*fd, mon_file_write_string, strlen(mon_file_write_string)+1); - if (rc < 0) - return -errno; - - return 0; -} - -/* - * Skips a specified number of lines in the buffer passed in. - * Walks the buffer pointed to by p and attempts to skip n lines. - * Returns the total number of lines skipped - */ -static int uv__skip_lines(char **p, int n) { - int lines = 0; - - while(n > 0) { - *p = strchr(*p, '\n'); - if (!p) - return lines; - - (*p)++; - n--; - lines++; - } - return lines; -} - - -/* - * Parse the event occurrence data to figure out what event just occurred - * and take proper action. - * - * The buf is a pointer to the buffer containing the event occurrence data - * Returns 0 on success, -1 if unrecoverable error in parsing - * - */ -static int uv__parse_data(char *buf, int *events, uv_fs_event_t* handle) { - int evp_rc, i; - char *p; - char filename[PATH_MAX]; /* To be used when handling directories */ - - p = buf; - *events = 0; - - /* Clean the filename buffer*/ - for(i = 0; i < PATH_MAX; i++) { - filename[i] = 0; - } - i = 0; - - /* Check for BUF_WRAP */ - if (strncmp(buf, "BUF_WRAP", strlen("BUF_WRAP")) == 0) { - assert(0 && "Buffer wrap detected, Some event occurrences lost!"); - return 0; - } - - /* Since we are using the default buffer size (4K), and have specified - * INFO_LVL=1, we won't see any EVENT_OVERFLOW conditions. Applications - * should check for this keyword if they are using an INFO_LVL of 2 or - * higher, and have a buffer size of <= 4K - */ - - /* Skip to RC_FROM_EVPROD */ - if (uv__skip_lines(&p, 9) != 9) - return -1; - - if (sscanf(p, "RC_FROM_EVPROD=%d\nEND_EVENT_DATA", &evp_rc) == 1) { - if (uv__path_is_a_directory(handle->path) == 0) { /* Directory */ - if (evp_rc == AHAFS_MODDIR_UNMOUNT || evp_rc == AHAFS_MODDIR_REMOVE_SELF) { - /* The directory is no longer available for monitoring */ - *events = UV_RENAME; - handle->dir_filename = NULL; - } else { - /* A file was added/removed inside the directory */ - *events = UV_CHANGE; - - /* Get the EVPROD_INFO */ - if (uv__skip_lines(&p, 1) != 1) - return -1; - - /* Scan out the name of the file that triggered the event*/ - if (sscanf(p, "BEGIN_EVPROD_INFO\n%sEND_EVPROD_INFO", filename) == 1) { - handle->dir_filename = uv__strdup((const char*)&filename); - } else - return -1; - } - } else { /* Regular File */ - if (evp_rc == AHAFS_MODFILE_RENAME) - *events = UV_RENAME; - else - *events = UV_CHANGE; - } - } - else - return -1; - - return 0; -} - - -/* This is the internal callback */ -static void uv__ahafs_event(uv_loop_t* loop, uv__io_t* event_watch, unsigned int fflags) { - char result_data[RDWR_BUF_SIZE]; - int bytes, rc = 0; - uv_fs_event_t* handle; - int events = 0; - char fname[PATH_MAX]; - char *p; - - handle = container_of(event_watch, uv_fs_event_t, event_watcher); - - /* At this point, we assume that polling has been done on the - * file descriptor, so we can just read the AHAFS event occurrence - * data and parse its results without having to block anything - */ - bytes = pread(event_watch->fd, result_data, RDWR_BUF_SIZE, 0); - - assert((bytes >= 0) && "uv__ahafs_event - Error reading monitor file"); - - /* Parse the data */ - if(bytes > 0) - rc = uv__parse_data(result_data, &events, handle); - - /* Unrecoverable error */ - if (rc == -1) - return; - - /* For directory changes, the name of the files that triggered the change - * are never absolute pathnames - */ - if (uv__path_is_a_directory(handle->path) == 0) { - p = handle->dir_filename; - } else { - p = strrchr(handle->path, '/'); - if (p == NULL) - p = handle->path; - else - p++; - } - strncpy(fname, p, sizeof(fname) - 1); - /* Just in case */ - fname[sizeof(fname) - 1] = '\0'; - - handle->cb(handle, fname, events, 0); -} -#endif - - -int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) { -#ifdef HAVE_SYS_AHAFS_EVPRODS_H - uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT); - return 0; -#else - return -ENOSYS; -#endif -} - - -int uv_fs_event_start(uv_fs_event_t* handle, - uv_fs_event_cb cb, - const char* filename, - unsigned int flags) { -#ifdef HAVE_SYS_AHAFS_EVPRODS_H - int fd, rc, i = 0, res = 0; - char cwd[PATH_MAX]; - char absolute_path[PATH_MAX]; - char fname[PATH_MAX]; - char *p; - - /* Clean all the buffers*/ - for(i = 0; i < PATH_MAX; i++) { - cwd[i] = 0; - absolute_path[i] = 0; - fname[i] = 0; - } - i = 0; - - /* Figure out whether filename is absolute or not */ - if (filename[0] == '/') { - /* We have absolute pathname, create the relative pathname*/ - sprintf(absolute_path, filename); - p = strrchr(filename, '/'); - p++; - } else { - if (filename[0] == '.' && filename[1] == '/') { - /* We have a relative pathname, compose the absolute pathname */ - sprintf(fname, filename); - snprintf(cwd, PATH_MAX-1, "/proc/%lu/cwd", (unsigned long) getpid()); - res = readlink(cwd, absolute_path, sizeof(absolute_path) - 1); - if (res < 0) - return res; - p = strrchr(absolute_path, '/'); - p++; - p++; - } else { - /* We have a relative pathname, compose the absolute pathname */ - sprintf(fname, filename); - snprintf(cwd, PATH_MAX-1, "/proc/%lu/cwd", (unsigned long) getpid()); - res = readlink(cwd, absolute_path, sizeof(absolute_path) - 1); - if (res < 0) - return res; - p = strrchr(absolute_path, '/'); - p++; - } - /* Copy to filename buffer */ - while(filename[i] != NULL) { - *p = filename[i]; - i++; - p++; - } - } - - if (uv__is_ahafs_mounted() < 0) /* /aha checks failed */ - return UV_ENOSYS; - - /* Setup ahafs */ - rc = uv__setup_ahafs((const char *)absolute_path, &fd); - if (rc != 0) - return rc; - - /* Setup/Initialize all the libuv routines */ - uv__handle_start(handle); - uv__io_init(&handle->event_watcher, uv__ahafs_event, fd); - handle->path = uv__strdup(filename); - handle->cb = cb; - - uv__io_start(handle->loop, &handle->event_watcher, UV__POLLIN); - - return 0; -#else - return -ENOSYS; -#endif -} - - -int uv_fs_event_stop(uv_fs_event_t* handle) { -#ifdef HAVE_SYS_AHAFS_EVPRODS_H - if (!uv__is_active(handle)) - return 0; - - uv__io_close(handle->loop, &handle->event_watcher); - uv__handle_stop(handle); - - if (uv__path_is_a_directory(handle->path) == 0) { - uv__free(handle->dir_filename); - handle->dir_filename = NULL; - } - - uv__free(handle->path); - handle->path = NULL; - uv__close(handle->event_watcher.fd); - handle->event_watcher.fd = -1; - - return 0; -#else - return -ENOSYS; -#endif -} - - -void uv__fs_event_close(uv_fs_event_t* handle) { -#ifdef HAVE_SYS_AHAFS_EVPRODS_H - uv_fs_event_stop(handle); -#else - UNREACHABLE(); -#endif -} - - -char** uv_setup_args(int argc, char** argv) { - return argv; -} - - -int uv_set_process_title(const char* title) { - return 0; -} - - -int uv_get_process_title(char* buffer, size_t size) { - if (size > 0) { - buffer[0] = '\0'; - } - return 0; -} - - -int uv_resident_set_memory(size_t* rss) { - char pp[64]; - psinfo_t psinfo; - int err; - int fd; - - snprintf(pp, sizeof(pp), "/proc/%lu/psinfo", (unsigned long) getpid()); - - fd = open(pp, O_RDONLY); - if (fd == -1) - return -errno; - - /* FIXME(bnoordhuis) Handle EINTR. */ - err = -EINVAL; - if (read(fd, &psinfo, sizeof(psinfo)) == sizeof(psinfo)) { - *rss = (size_t)psinfo.pr_rssize * 1024; - err = 0; - } - uv__close(fd); - - return err; -} - - -int uv_uptime(double* uptime) { - struct utmp *utmp_buf; - size_t entries = 0; - time_t boot_time; - - utmpname(UTMP_FILE); - - setutent(); - - while ((utmp_buf = getutent()) != NULL) { - if (utmp_buf->ut_user[0] && utmp_buf->ut_type == USER_PROCESS) - ++entries; - if (utmp_buf->ut_type == BOOT_TIME) - boot_time = utmp_buf->ut_time; - } - - endutent(); - - if (boot_time == 0) - return -ENOSYS; - - *uptime = time(NULL) - boot_time; - return 0; -} - - -int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { - uv_cpu_info_t* cpu_info; - perfstat_cpu_total_t ps_total; - perfstat_cpu_t* ps_cpus; - perfstat_id_t cpu_id; - int result, ncpus, idx = 0; - - result = perfstat_cpu_total(NULL, &ps_total, sizeof(ps_total), 1); - if (result == -1) { - return -ENOSYS; - } - - ncpus = result = perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0); - if (result == -1) { - return -ENOSYS; - } - - ps_cpus = (perfstat_cpu_t*) uv__malloc(ncpus * sizeof(perfstat_cpu_t)); - if (!ps_cpus) { - return -ENOMEM; - } - - strcpy(cpu_id.name, FIRST_CPU); - result = perfstat_cpu(&cpu_id, ps_cpus, sizeof(perfstat_cpu_t), ncpus); - if (result == -1) { - uv__free(ps_cpus); - return -ENOSYS; - } - - *cpu_infos = (uv_cpu_info_t*) uv__malloc(ncpus * sizeof(uv_cpu_info_t)); - if (!*cpu_infos) { - uv__free(ps_cpus); - return -ENOMEM; - } - - *count = ncpus; - - cpu_info = *cpu_infos; - while (idx < ncpus) { - cpu_info->speed = (int)(ps_total.processorHZ / 1000000); - cpu_info->model = uv__strdup(ps_total.description); - cpu_info->cpu_times.user = ps_cpus[idx].user; - cpu_info->cpu_times.sys = ps_cpus[idx].sys; - cpu_info->cpu_times.idle = ps_cpus[idx].idle; - cpu_info->cpu_times.irq = ps_cpus[idx].wait; - cpu_info->cpu_times.nice = 0; - cpu_info++; - idx++; - } - - uv__free(ps_cpus); - return 0; -} - - -void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) { - int i; - - for (i = 0; i < count; ++i) { - uv__free(cpu_infos[i].model); - } - - uv__free(cpu_infos); -} - - -int uv_interface_addresses(uv_interface_address_t** addresses, - int* count) { - uv_interface_address_t* address; - int sockfd, size = 1; - struct ifconf ifc; - struct ifreq *ifr, *p, flg; - - *count = 0; - - if (0 > (sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP))) { - return -errno; - } - - if (ioctl(sockfd, SIOCGSIZIFCONF, &size) == -1) { - SAVE_ERRNO(uv__close(sockfd)); - return -errno; - } - - ifc.ifc_req = (struct ifreq*)uv__malloc(size); - ifc.ifc_len = size; - if (ioctl(sockfd, SIOCGIFCONF, &ifc) == -1) { - SAVE_ERRNO(uv__close(sockfd)); - return -errno; - } - -#define ADDR_SIZE(p) MAX((p).sa_len, sizeof(p)) - - /* Count all up and running ipv4/ipv6 addresses */ - ifr = ifc.ifc_req; - while ((char*)ifr < (char*)ifc.ifc_req + ifc.ifc_len) { - p = ifr; - ifr = (struct ifreq*) - ((char*)ifr + sizeof(ifr->ifr_name) + ADDR_SIZE(ifr->ifr_addr)); - - if (!(p->ifr_addr.sa_family == AF_INET6 || - p->ifr_addr.sa_family == AF_INET)) - continue; - - memcpy(flg.ifr_name, p->ifr_name, sizeof(flg.ifr_name)); - if (ioctl(sockfd, SIOCGIFFLAGS, &flg) == -1) { - SAVE_ERRNO(uv__close(sockfd)); - return -errno; - } - - if (!(flg.ifr_flags & IFF_UP && flg.ifr_flags & IFF_RUNNING)) - continue; - - (*count)++; - } - - /* Alloc the return interface structs */ - *addresses = (uv_interface_address_t*) - uv__malloc(*count * sizeof(uv_interface_address_t)); - if (!(*addresses)) { - uv__close(sockfd); - return -ENOMEM; - } - address = *addresses; - - ifr = ifc.ifc_req; - while ((char*)ifr < (char*)ifc.ifc_req + ifc.ifc_len) { - p = ifr; - ifr = (struct ifreq*) - ((char*)ifr + sizeof(ifr->ifr_name) + ADDR_SIZE(ifr->ifr_addr)); - - if (!(p->ifr_addr.sa_family == AF_INET6 || - p->ifr_addr.sa_family == AF_INET)) - continue; - - memcpy(flg.ifr_name, p->ifr_name, sizeof(flg.ifr_name)); - if (ioctl(sockfd, SIOCGIFFLAGS, &flg) == -1) { - uv__close(sockfd); - return -ENOSYS; - } - - if (!(flg.ifr_flags & IFF_UP && flg.ifr_flags & IFF_RUNNING)) - continue; - - /* All conditions above must match count loop */ - - address->name = uv__strdup(p->ifr_name); - - if (p->ifr_addr.sa_family == AF_INET6) { - address->address.address6 = *((struct sockaddr_in6*) &p->ifr_addr); - } else { - address->address.address4 = *((struct sockaddr_in*) &p->ifr_addr); - } - - /* TODO: Retrieve netmask using SIOCGIFNETMASK ioctl */ - - address->is_internal = flg.ifr_flags & IFF_LOOPBACK ? 1 : 0; - - address++; - } - -#undef ADDR_SIZE - - uv__close(sockfd); - return 0; -} - - -void uv_free_interface_addresses(uv_interface_address_t* addresses, - int count) { - int i; - - for (i = 0; i < count; ++i) { - uv__free(addresses[i].name); - } - - uv__free(addresses); -} - -void uv__platform_invalidate_fd(uv_loop_t* loop, int fd) { - struct pollfd* events; - uintptr_t i; - uintptr_t nfds; - struct poll_ctl pc; - - assert(loop->watchers != NULL); - - events = (struct pollfd*) loop->watchers[loop->nwatchers]; - nfds = (uintptr_t) loop->watchers[loop->nwatchers + 1]; - - if (events != NULL) - /* Invalidate events with same file descriptor */ - for (i = 0; i < nfds; i++) - if ((int) events[i].fd == fd) - events[i].fd = -1; - - /* Remove the file descriptor from the poll set */ - pc.events = 0; - pc.cmd = PS_DELETE; - pc.fd = fd; - if(loop->backend_fd >= 0) - pollset_ctl(loop->backend_fd, &pc, 1); -} diff --git a/3rdparty/libuv/src/unix/android-ifaddrs.c b/3rdparty/libuv/src/unix/android-ifaddrs.c deleted file mode 100644 index 30f681b7d04..00000000000 --- a/3rdparty/libuv/src/unix/android-ifaddrs.c +++ /dev/null @@ -1,703 +0,0 @@ -/* -Copyright (c) 2013, Kenneth MacKay -Copyright (c) 2014, Emergya (Cloud4all, FP7/2007-2013 grant agreement #289016) -All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -#include "android-ifaddrs.h" -#include "uv-common.h" - -#include <string.h> -#include <stdlib.h> -#include <errno.h> -#include <unistd.h> -#include <sys/socket.h> -#include <net/if_arp.h> -#include <netinet/in.h> -#include <linux/netlink.h> -#include <linux/rtnetlink.h> - -typedef struct NetlinkList -{ - struct NetlinkList *m_next; - struct nlmsghdr *m_data; - unsigned int m_size; -} NetlinkList; - -static int netlink_socket(void) -{ - struct sockaddr_nl l_addr; - - int l_socket = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE); - if(l_socket < 0) - { - return -1; - } - - memset(&l_addr, 0, sizeof(l_addr)); - l_addr.nl_family = AF_NETLINK; - if(bind(l_socket, (struct sockaddr *)&l_addr, sizeof(l_addr)) < 0) - { - close(l_socket); - return -1; - } - - return l_socket; -} - -static int netlink_send(int p_socket, int p_request) -{ - char l_buffer[NLMSG_ALIGN(sizeof(struct nlmsghdr)) + NLMSG_ALIGN(sizeof(struct rtgenmsg))]; - - struct nlmsghdr *l_hdr; - struct rtgenmsg *l_msg; - struct sockaddr_nl l_addr; - - memset(l_buffer, 0, sizeof(l_buffer)); - - l_hdr = (struct nlmsghdr *)l_buffer; - l_msg = (struct rtgenmsg *)NLMSG_DATA(l_hdr); - - l_hdr->nlmsg_len = NLMSG_LENGTH(sizeof(*l_msg)); - l_hdr->nlmsg_type = p_request; - l_hdr->nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST; - l_hdr->nlmsg_pid = 0; - l_hdr->nlmsg_seq = p_socket; - l_msg->rtgen_family = AF_UNSPEC; - - memset(&l_addr, 0, sizeof(l_addr)); - l_addr.nl_family = AF_NETLINK; - return (sendto(p_socket, l_hdr, l_hdr->nlmsg_len, 0, (struct sockaddr *)&l_addr, sizeof(l_addr))); -} - -static int netlink_recv(int p_socket, void *p_buffer, size_t p_len) -{ - struct sockaddr_nl l_addr; - struct msghdr l_msg; - - struct iovec l_iov; - l_iov.iov_base = p_buffer; - l_iov.iov_len = p_len; - - for(;;) - { - int l_result; - l_msg.msg_name = (void *)&l_addr; - l_msg.msg_namelen = sizeof(l_addr); - l_msg.msg_iov = &l_iov; - l_msg.msg_iovlen = 1; - l_msg.msg_control = NULL; - l_msg.msg_controllen = 0; - l_msg.msg_flags = 0; - l_result = recvmsg(p_socket, &l_msg, 0); - - if(l_result < 0) - { - if(errno == EINTR) - { - continue; - } - return -2; - } - - /* Buffer was too small */ - if(l_msg.msg_flags & MSG_TRUNC) - { - return -1; - } - return l_result; - } -} - -static struct nlmsghdr *getNetlinkResponse(int p_socket, int *p_size, int *p_done) -{ - size_t l_size = 4096; - void *l_buffer = NULL; - - for(;;) - { - int l_read; - - uv__free(l_buffer); - l_buffer = uv__malloc(l_size); - if (l_buffer == NULL) - { - return NULL; - } - - l_read = netlink_recv(p_socket, l_buffer, l_size); - *p_size = l_read; - if(l_read == -2) - { - uv__free(l_buffer); - return NULL; - } - if(l_read >= 0) - { - pid_t l_pid = getpid(); - struct nlmsghdr *l_hdr; - for(l_hdr = (struct nlmsghdr *)l_buffer; NLMSG_OK(l_hdr, (unsigned int)l_read); l_hdr = (struct nlmsghdr *)NLMSG_NEXT(l_hdr, l_read)) - { - if((pid_t)l_hdr->nlmsg_pid != l_pid || (int)l_hdr->nlmsg_seq != p_socket) - { - continue; - } - - if(l_hdr->nlmsg_type == NLMSG_DONE) - { - *p_done = 1; - break; - } - - if(l_hdr->nlmsg_type == NLMSG_ERROR) - { - uv__free(l_buffer); - return NULL; - } - } - return l_buffer; - } - - l_size *= 2; - } -} - -static NetlinkList *newListItem(struct nlmsghdr *p_data, unsigned int p_size) -{ - NetlinkList *l_item = uv__malloc(sizeof(NetlinkList)); - if (l_item == NULL) - { - return NULL; - } - - l_item->m_next = NULL; - l_item->m_data = p_data; - l_item->m_size = p_size; - return l_item; -} - -static void freeResultList(NetlinkList *p_list) -{ - NetlinkList *l_cur; - while(p_list) - { - l_cur = p_list; - p_list = p_list->m_next; - uv__free(l_cur->m_data); - uv__free(l_cur); - } -} - -static NetlinkList *getResultList(int p_socket, int p_request) -{ - int l_size; - int l_done; - NetlinkList *l_list; - NetlinkList *l_end; - - if(netlink_send(p_socket, p_request) < 0) - { - return NULL; - } - - l_list = NULL; - l_end = NULL; - - l_done = 0; - while(!l_done) - { - NetlinkList *l_item; - - struct nlmsghdr *l_hdr = getNetlinkResponse(p_socket, &l_size, &l_done); - /* Error */ - if(!l_hdr) - { - freeResultList(l_list); - return NULL; - } - - l_item = newListItem(l_hdr, l_size); - if (!l_item) - { - freeResultList(l_list); - return NULL; - } - if(!l_list) - { - l_list = l_item; - } - else - { - l_end->m_next = l_item; - } - l_end = l_item; - } - return l_list; -} - -static size_t maxSize(size_t a, size_t b) -{ - return (a > b ? a : b); -} - -static size_t calcAddrLen(sa_family_t p_family, int p_dataSize) -{ - switch(p_family) - { - case AF_INET: - return sizeof(struct sockaddr_in); - case AF_INET6: - return sizeof(struct sockaddr_in6); - case AF_PACKET: - return maxSize(sizeof(struct sockaddr_ll), offsetof(struct sockaddr_ll, sll_addr) + p_dataSize); - default: - return maxSize(sizeof(struct sockaddr), offsetof(struct sockaddr, sa_data) + p_dataSize); - } -} - -static void makeSockaddr(sa_family_t p_family, struct sockaddr *p_dest, void *p_data, size_t p_size) -{ - switch(p_family) - { - case AF_INET: - memcpy(&((struct sockaddr_in*)p_dest)->sin_addr, p_data, p_size); - break; - case AF_INET6: - memcpy(&((struct sockaddr_in6*)p_dest)->sin6_addr, p_data, p_size); - break; - case AF_PACKET: - memcpy(((struct sockaddr_ll*)p_dest)->sll_addr, p_data, p_size); - ((struct sockaddr_ll*)p_dest)->sll_halen = p_size; - break; - default: - memcpy(p_dest->sa_data, p_data, p_size); - break; - } - p_dest->sa_family = p_family; -} - -static void addToEnd(struct ifaddrs **p_resultList, struct ifaddrs *p_entry) -{ - if(!*p_resultList) - { - *p_resultList = p_entry; - } - else - { - struct ifaddrs *l_cur = *p_resultList; - while(l_cur->ifa_next) - { - l_cur = l_cur->ifa_next; - } - l_cur->ifa_next = p_entry; - } -} - -static int interpretLink(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList) -{ - struct ifaddrs *l_entry; - - char *l_index; - char *l_name; - char *l_addr; - char *l_data; - - struct ifinfomsg *l_info = (struct ifinfomsg *)NLMSG_DATA(p_hdr); - - size_t l_nameSize = 0; - size_t l_addrSize = 0; - size_t l_dataSize = 0; - - size_t l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifinfomsg)); - struct rtattr *l_rta; - for(l_rta = IFLA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize)) - { - size_t l_rtaDataSize = RTA_PAYLOAD(l_rta); - switch(l_rta->rta_type) - { - case IFLA_ADDRESS: - case IFLA_BROADCAST: - l_addrSize += NLMSG_ALIGN(calcAddrLen(AF_PACKET, l_rtaDataSize)); - break; - case IFLA_IFNAME: - l_nameSize += NLMSG_ALIGN(l_rtaSize + 1); - break; - case IFLA_STATS: - l_dataSize += NLMSG_ALIGN(l_rtaSize); - break; - default: - break; - } - } - - l_entry = uv__malloc(sizeof(struct ifaddrs) + sizeof(int) + l_nameSize + l_addrSize + l_dataSize); - if (l_entry == NULL) - { - return -1; - } - memset(l_entry, 0, sizeof(struct ifaddrs)); - l_entry->ifa_name = ""; - - l_index = ((char *)l_entry) + sizeof(struct ifaddrs); - l_name = l_index + sizeof(int); - l_addr = l_name + l_nameSize; - l_data = l_addr + l_addrSize; - - /* Save the interface index so we can look it up when handling the - * addresses. - */ - memcpy(l_index, &l_info->ifi_index, sizeof(int)); - - l_entry->ifa_flags = l_info->ifi_flags; - - l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifinfomsg)); - for(l_rta = IFLA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize)) - { - void *l_rtaData = RTA_DATA(l_rta); - size_t l_rtaDataSize = RTA_PAYLOAD(l_rta); - switch(l_rta->rta_type) - { - case IFLA_ADDRESS: - case IFLA_BROADCAST: - { - size_t l_addrLen = calcAddrLen(AF_PACKET, l_rtaDataSize); - makeSockaddr(AF_PACKET, (struct sockaddr *)l_addr, l_rtaData, l_rtaDataSize); - ((struct sockaddr_ll *)l_addr)->sll_ifindex = l_info->ifi_index; - ((struct sockaddr_ll *)l_addr)->sll_hatype = l_info->ifi_type; - if(l_rta->rta_type == IFLA_ADDRESS) - { - l_entry->ifa_addr = (struct sockaddr *)l_addr; - } - else - { - l_entry->ifa_broadaddr = (struct sockaddr *)l_addr; - } - l_addr += NLMSG_ALIGN(l_addrLen); - break; - } - case IFLA_IFNAME: - strncpy(l_name, l_rtaData, l_rtaDataSize); - l_name[l_rtaDataSize] = '\0'; - l_entry->ifa_name = l_name; - break; - case IFLA_STATS: - memcpy(l_data, l_rtaData, l_rtaDataSize); - l_entry->ifa_data = l_data; - break; - default: - break; - } - } - - addToEnd(p_resultList, l_entry); - return 0; -} - -static struct ifaddrs *findInterface(int p_index, struct ifaddrs **p_links, int p_numLinks) -{ - int l_num = 0; - struct ifaddrs *l_cur = *p_links; - while(l_cur && l_num < p_numLinks) - { - char *l_indexPtr = ((char *)l_cur) + sizeof(struct ifaddrs); - int l_index; - memcpy(&l_index, l_indexPtr, sizeof(int)); - if(l_index == p_index) - { - return l_cur; - } - - l_cur = l_cur->ifa_next; - ++l_num; - } - return NULL; -} - -static int interpretAddr(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList, int p_numLinks) -{ - struct ifaddrmsg *l_info = (struct ifaddrmsg *)NLMSG_DATA(p_hdr); - struct ifaddrs *l_interface = findInterface(l_info->ifa_index, p_resultList, p_numLinks); - - size_t l_nameSize = 0; - size_t l_addrSize = 0; - - int l_addedNetmask = 0; - - size_t l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifaddrmsg)); - struct rtattr *l_rta; - struct ifaddrs *l_entry; - - char *l_name; - char *l_addr; - - for(l_rta = IFLA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize)) - { - size_t l_rtaDataSize = RTA_PAYLOAD(l_rta); - if(l_info->ifa_family == AF_PACKET) - { - continue; - } - - switch(l_rta->rta_type) - { - case IFA_ADDRESS: - case IFA_LOCAL: - if((l_info->ifa_family == AF_INET || l_info->ifa_family == AF_INET6) && !l_addedNetmask) - { - /* Make room for netmask */ - l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize)); - l_addedNetmask = 1; - } - case IFA_BROADCAST: - l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize)); - break; - case IFA_LABEL: - l_nameSize += NLMSG_ALIGN(l_rtaSize + 1); - break; - default: - break; - } - } - - l_entry = uv__malloc(sizeof(struct ifaddrs) + l_nameSize + l_addrSize); - if (l_entry == NULL) - { - return -1; - } - memset(l_entry, 0, sizeof(struct ifaddrs)); - l_entry->ifa_name = (l_interface ? l_interface->ifa_name : ""); - - l_name = ((char *)l_entry) + sizeof(struct ifaddrs); - l_addr = l_name + l_nameSize; - - l_entry->ifa_flags = l_info->ifa_flags; - if(l_interface) - { - l_entry->ifa_flags |= l_interface->ifa_flags; - } - - l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifaddrmsg)); - for(l_rta = IFLA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize)) - { - void *l_rtaData = RTA_DATA(l_rta); - size_t l_rtaDataSize = RTA_PAYLOAD(l_rta); - switch(l_rta->rta_type) - { - case IFA_ADDRESS: - case IFA_BROADCAST: - case IFA_LOCAL: - { - size_t l_addrLen = calcAddrLen(l_info->ifa_family, l_rtaDataSize); - makeSockaddr(l_info->ifa_family, (struct sockaddr *)l_addr, l_rtaData, l_rtaDataSize); - if(l_info->ifa_family == AF_INET6) - { - if(IN6_IS_ADDR_LINKLOCAL((struct in6_addr *)l_rtaData) || IN6_IS_ADDR_MC_LINKLOCAL((struct in6_addr *)l_rtaData)) - { - ((struct sockaddr_in6 *)l_addr)->sin6_scope_id = l_info->ifa_index; - } - } - - /* Apparently in a point-to-point network IFA_ADDRESS contains - * the dest address and IFA_LOCAL contains the local address - */ - if(l_rta->rta_type == IFA_ADDRESS) - { - if(l_entry->ifa_addr) - { - l_entry->ifa_dstaddr = (struct sockaddr *)l_addr; - } - else - { - l_entry->ifa_addr = (struct sockaddr *)l_addr; - } - } - else if(l_rta->rta_type == IFA_LOCAL) - { - if(l_entry->ifa_addr) - { - l_entry->ifa_dstaddr = l_entry->ifa_addr; - } - l_entry->ifa_addr = (struct sockaddr *)l_addr; - } - else - { - l_entry->ifa_broadaddr = (struct sockaddr *)l_addr; - } - l_addr += NLMSG_ALIGN(l_addrLen); - break; - } - case IFA_LABEL: - strncpy(l_name, l_rtaData, l_rtaDataSize); - l_name[l_rtaDataSize] = '\0'; - l_entry->ifa_name = l_name; - break; - default: - break; - } - } - - if(l_entry->ifa_addr && (l_entry->ifa_addr->sa_family == AF_INET || l_entry->ifa_addr->sa_family == AF_INET6)) - { - unsigned l_maxPrefix = (l_entry->ifa_addr->sa_family == AF_INET ? 32 : 128); - unsigned l_prefix = (l_info->ifa_prefixlen > l_maxPrefix ? l_maxPrefix : l_info->ifa_prefixlen); - char l_mask[16] = {0}; - unsigned i; - for(i=0; i<(l_prefix/8); ++i) - { - l_mask[i] = 0xff; - } - if(l_prefix % 8) - { - l_mask[i] = 0xff << (8 - (l_prefix % 8)); - } - - makeSockaddr(l_entry->ifa_addr->sa_family, (struct sockaddr *)l_addr, l_mask, l_maxPrefix / 8); - l_entry->ifa_netmask = (struct sockaddr *)l_addr; - } - - addToEnd(p_resultList, l_entry); - return 0; -} - -static int interpretLinks(int p_socket, NetlinkList *p_netlinkList, struct ifaddrs **p_resultList) -{ - - int l_numLinks = 0; - pid_t l_pid = getpid(); - for(; p_netlinkList; p_netlinkList = p_netlinkList->m_next) - { - unsigned int l_nlsize = p_netlinkList->m_size; - struct nlmsghdr *l_hdr; - for(l_hdr = p_netlinkList->m_data; NLMSG_OK(l_hdr, l_nlsize); l_hdr = NLMSG_NEXT(l_hdr, l_nlsize)) - { - if((pid_t)l_hdr->nlmsg_pid != l_pid || (int)l_hdr->nlmsg_seq != p_socket) - { - continue; - } - - if(l_hdr->nlmsg_type == NLMSG_DONE) - { - break; - } - - if(l_hdr->nlmsg_type == RTM_NEWLINK) - { - if(interpretLink(l_hdr, p_resultList) == -1) - { - return -1; - } - ++l_numLinks; - } - } - } - return l_numLinks; -} - -static int interpretAddrs(int p_socket, NetlinkList *p_netlinkList, struct ifaddrs **p_resultList, int p_numLinks) -{ - pid_t l_pid = getpid(); - for(; p_netlinkList; p_netlinkList = p_netlinkList->m_next) - { - unsigned int l_nlsize = p_netlinkList->m_size; - struct nlmsghdr *l_hdr; - for(l_hdr = p_netlinkList->m_data; NLMSG_OK(l_hdr, l_nlsize); l_hdr = NLMSG_NEXT(l_hdr, l_nlsize)) - { - if((pid_t)l_hdr->nlmsg_pid != l_pid || (int)l_hdr->nlmsg_seq != p_socket) - { - continue; - } - - if(l_hdr->nlmsg_type == NLMSG_DONE) - { - break; - } - - if(l_hdr->nlmsg_type == RTM_NEWADDR) - { - if (interpretAddr(l_hdr, p_resultList, p_numLinks) == -1) - { - return -1; - } - } - } - } - return 0; -} - -int getifaddrs(struct ifaddrs **ifap) -{ - int l_socket; - int l_result; - int l_numLinks; - NetlinkList *l_linkResults; - NetlinkList *l_addrResults; - - if(!ifap) - { - return -1; - } - *ifap = NULL; - - l_socket = netlink_socket(); - if(l_socket < 0) - { - return -1; - } - - l_linkResults = getResultList(l_socket, RTM_GETLINK); - if(!l_linkResults) - { - close(l_socket); - return -1; - } - - l_addrResults = getResultList(l_socket, RTM_GETADDR); - if(!l_addrResults) - { - close(l_socket); - freeResultList(l_linkResults); - return -1; - } - - l_result = 0; - l_numLinks = interpretLinks(l_socket, l_linkResults, ifap); - if(l_numLinks == -1 || interpretAddrs(l_socket, l_addrResults, ifap, l_numLinks) == -1) - { - l_result = -1; - } - - freeResultList(l_linkResults); - freeResultList(l_addrResults); - close(l_socket); - return l_result; -} - -void freeifaddrs(struct ifaddrs *ifa) -{ - struct ifaddrs *l_cur; - while(ifa) - { - l_cur = ifa; - ifa = ifa->ifa_next; - uv__free(l_cur); - } -} diff --git a/3rdparty/libuv/src/unix/async.c b/3rdparty/libuv/src/unix/async.c deleted file mode 100644 index 184b598126e..00000000000 --- a/3rdparty/libuv/src/unix/async.c +++ /dev/null @@ -1,290 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -/* This file contains both the uv__async internal infrastructure and the - * user-facing uv_async_t functions. - */ - -#include "uv.h" -#include "internal.h" -#include "atomic-ops.h" - -#include <errno.h> -#include <stdio.h> /* snprintf() */ -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -static void uv__async_event(uv_loop_t* loop, - struct uv__async* w, - unsigned int nevents); -static int uv__async_eventfd(void); - - -int uv_async_init(uv_loop_t* loop, uv_async_t* handle, uv_async_cb async_cb) { - int err; - - err = uv__async_start(loop, &loop->async_watcher, uv__async_event); - if (err) - return err; - - uv__handle_init(loop, (uv_handle_t*)handle, UV_ASYNC); - handle->async_cb = async_cb; - handle->pending = 0; - - QUEUE_INSERT_TAIL(&loop->async_handles, &handle->queue); - uv__handle_start(handle); - - return 0; -} - - -int uv_async_send(uv_async_t* handle) { - /* Do a cheap read first. */ - if (ACCESS_ONCE(int, handle->pending) != 0) - return 0; - - if (cmpxchgi(&handle->pending, 0, 1) == 0) - uv__async_send(&handle->loop->async_watcher); - - return 0; -} - - -void uv__async_close(uv_async_t* handle) { - QUEUE_REMOVE(&handle->queue); - uv__handle_stop(handle); -} - - -static void uv__async_event(uv_loop_t* loop, - struct uv__async* w, - unsigned int nevents) { - QUEUE queue; - QUEUE* q; - uv_async_t* h; - - QUEUE_MOVE(&loop->async_handles, &queue); - while (!QUEUE_EMPTY(&queue)) { - q = QUEUE_HEAD(&queue); - h = QUEUE_DATA(q, uv_async_t, queue); - - QUEUE_REMOVE(q); - QUEUE_INSERT_TAIL(&loop->async_handles, q); - - if (cmpxchgi(&h->pending, 1, 0) == 0) - continue; - - if (h->async_cb == NULL) - continue; - h->async_cb(h); - } -} - - -static void uv__async_io(uv_loop_t* loop, uv__io_t* w, unsigned int events) { - struct uv__async* wa; - char buf[1024]; - unsigned n; - ssize_t r; - - n = 0; - for (;;) { - r = read(w->fd, buf, sizeof(buf)); - - if (r > 0) - n += r; - - if (r == sizeof(buf)) - continue; - - if (r != -1) - break; - - if (errno == EAGAIN || errno == EWOULDBLOCK) - break; - - if (errno == EINTR) - continue; - - abort(); - } - - wa = container_of(w, struct uv__async, io_watcher); - -#if defined(__linux__) - if (wa->wfd == -1) { - uint64_t val; - assert(n == sizeof(val)); - memcpy(&val, buf, sizeof(val)); /* Avoid alignment issues. */ - wa->cb(loop, wa, val); - return; - } -#endif - - wa->cb(loop, wa, n); -} - - -void uv__async_send(struct uv__async* wa) { - const void* buf; - ssize_t len; - int fd; - int r; - - buf = ""; - len = 1; - fd = wa->wfd; - -#if defined(__linux__) - if (fd == -1) { - static const uint64_t val = 1; - buf = &val; - len = sizeof(val); - fd = wa->io_watcher.fd; /* eventfd */ - } -#endif - - do - r = write(fd, buf, len); - while (r == -1 && errno == EINTR); - - if (r == len) - return; - - if (r == -1) - if (errno == EAGAIN || errno == EWOULDBLOCK) - return; - - abort(); -} - - -void uv__async_init(struct uv__async* wa) { - wa->io_watcher.fd = -1; - wa->wfd = -1; -} - - -int uv__async_start(uv_loop_t* loop, struct uv__async* wa, uv__async_cb cb) { - int pipefd[2]; - int err; - - if (wa->io_watcher.fd != -1) - return 0; - - err = uv__async_eventfd(); - if (err >= 0) { - pipefd[0] = err; - pipefd[1] = -1; - } - else if (err == -ENOSYS) { - err = uv__make_pipe(pipefd, UV__F_NONBLOCK); -#if defined(__linux__) - /* Save a file descriptor by opening one of the pipe descriptors as - * read/write through the procfs. That file descriptor can then - * function as both ends of the pipe. - */ - if (err == 0) { - char buf[32]; - int fd; - - snprintf(buf, sizeof(buf), "/proc/self/fd/%d", pipefd[0]); - fd = uv__open_cloexec(buf, O_RDWR); - if (fd >= 0) { - uv__close(pipefd[0]); - uv__close(pipefd[1]); - pipefd[0] = fd; - pipefd[1] = fd; - } - } -#endif - } - - if (err < 0) - return err; - - uv__io_init(&wa->io_watcher, uv__async_io, pipefd[0]); - uv__io_start(loop, &wa->io_watcher, UV__POLLIN); - wa->wfd = pipefd[1]; - wa->cb = cb; - - return 0; -} - - -void uv__async_stop(uv_loop_t* loop, struct uv__async* wa) { - if (wa->io_watcher.fd == -1) - return; - - if (wa->wfd != -1) { - if (wa->wfd != wa->io_watcher.fd) - uv__close(wa->wfd); - wa->wfd = -1; - } - - uv__io_stop(loop, &wa->io_watcher, UV__POLLIN); - uv__close(wa->io_watcher.fd); - wa->io_watcher.fd = -1; -} - - -static int uv__async_eventfd() { -#if defined(__linux__) - static int no_eventfd2; - static int no_eventfd; - int fd; - - if (no_eventfd2) - goto skip_eventfd2; - - fd = uv__eventfd2(0, UV__EFD_CLOEXEC | UV__EFD_NONBLOCK); - if (fd != -1) - return fd; - - if (errno != ENOSYS) - return -errno; - - no_eventfd2 = 1; - -skip_eventfd2: - - if (no_eventfd) - goto skip_eventfd; - - fd = uv__eventfd(0); - if (fd != -1) { - uv__cloexec(fd, 1); - uv__nonblock(fd, 1); - return fd; - } - - if (errno != ENOSYS) - return -errno; - - no_eventfd = 1; - -skip_eventfd: - -#endif - - return -ENOSYS; -} diff --git a/3rdparty/libuv/src/unix/atomic-ops.h b/3rdparty/libuv/src/unix/atomic-ops.h deleted file mode 100644 index 84e471838be..00000000000 --- a/3rdparty/libuv/src/unix/atomic-ops.h +++ /dev/null @@ -1,77 +0,0 @@ -/* Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef UV_ATOMIC_OPS_H_ -#define UV_ATOMIC_OPS_H_ - -#include "internal.h" /* UV_UNUSED */ - -#if defined(__SUNPRO_C) || defined(__SUNPRO_CC) -#include <atomic.h> -#define __sync_val_compare_and_swap(p, o, n) atomic_cas_ptr(p, o, n) -#endif - -UV_UNUSED(static int cmpxchgi(int* ptr, int oldval, int newval)); -UV_UNUSED(static long cmpxchgl(long* ptr, long oldval, long newval)); -UV_UNUSED(static void cpu_relax(void)); - -/* Prefer hand-rolled assembly over the gcc builtins because the latter also - * issue full memory barriers. - */ -UV_UNUSED(static int cmpxchgi(int* ptr, int oldval, int newval)) { -#if defined(__i386__) || defined(__x86_64__) - int out; - __asm__ __volatile__ ("lock; cmpxchg %2, %1;" - : "=a" (out), "+m" (*(volatile int*) ptr) - : "r" (newval), "0" (oldval) - : "memory"); - return out; -#elif defined(_AIX) && defined(__xlC__) - const int out = (*(volatile int*) ptr); - __compare_and_swap(ptr, &oldval, newval); - return out; -#else - return __sync_val_compare_and_swap(ptr, oldval, newval); -#endif -} - -UV_UNUSED(static long cmpxchgl(long* ptr, long oldval, long newval)) { -#if defined(__i386__) || defined(__x86_64__) - long out; - __asm__ __volatile__ ("lock; cmpxchg %2, %1;" - : "=a" (out), "+m" (*(volatile long*) ptr) - : "r" (newval), "0" (oldval) - : "memory"); - return out; -#elif defined(_AIX) && defined(__xlC__) - const long out = (*(volatile int*) ptr); -# if defined(__64BIT__) - __compare_and_swaplp(ptr, &oldval, newval); -# else - __compare_and_swap(ptr, &oldval, newval); -# endif /* if defined(__64BIT__) */ - return out; -#else - return __sync_val_compare_and_swap(ptr, oldval, newval); -#endif -} - -UV_UNUSED(static void cpu_relax(void)) { -#if defined(__i386__) || defined(__x86_64__) - __asm__ __volatile__ ("rep; nop"); /* a.k.a. PAUSE */ -#endif -} - -#endif /* UV_ATOMIC_OPS_H_ */ diff --git a/3rdparty/libuv/src/unix/core.c b/3rdparty/libuv/src/unix/core.c deleted file mode 100644 index 9aaca841870..00000000000 --- a/3rdparty/libuv/src/unix/core.c +++ /dev/null @@ -1,1246 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <stddef.h> /* NULL */ -#include <stdio.h> /* printf */ -#include <stdlib.h> -#include <string.h> /* strerror */ -#include <errno.h> -#include <assert.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <sys/socket.h> -#include <sys/un.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <limits.h> /* INT_MAX, PATH_MAX, IOV_MAX */ -#include <sys/uio.h> /* writev */ -#include <sys/resource.h> /* getrusage */ -#include <pwd.h> - -#ifdef __linux__ -# include <sys/ioctl.h> -#endif - -#ifdef __sun -# include <sys/types.h> -# include <sys/wait.h> -#endif - -#ifdef __APPLE__ -# include <mach-o/dyld.h> /* _NSGetExecutablePath */ -# include <sys/filio.h> -# include <sys/ioctl.h> -# if defined(O_CLOEXEC) -# define UV__O_CLOEXEC O_CLOEXEC -# endif -#endif - -#if defined(__FreeBSD__) || defined(__DragonFly__) -# include <sys/sysctl.h> -# include <sys/filio.h> -# include <sys/ioctl.h> -# include <sys/wait.h> -# define UV__O_CLOEXEC O_CLOEXEC -# if defined(__FreeBSD__) && __FreeBSD__ >= 10 -# define uv__accept4 accept4 -# define UV__SOCK_NONBLOCK SOCK_NONBLOCK -# define UV__SOCK_CLOEXEC SOCK_CLOEXEC -# endif -# if !defined(F_DUP2FD_CLOEXEC) && defined(_F_DUP2FD_CLOEXEC) -# define F_DUP2FD_CLOEXEC _F_DUP2FD_CLOEXEC -# endif -#endif - -#ifdef _AIX -#include <sys/ioctl.h> -#endif - -#if defined(__ANDROID_API__) && __ANDROID_API__ < 21 -# include <dlfcn.h> /* for dlsym */ -#endif - -static int uv__run_pending(uv_loop_t* loop); - -/* Verify that uv_buf_t is ABI-compatible with struct iovec. */ -STATIC_ASSERT(sizeof(uv_buf_t) == sizeof(struct iovec)); -STATIC_ASSERT(sizeof(&((uv_buf_t*) 0)->base) == - sizeof(((struct iovec*) 0)->iov_base)); -STATIC_ASSERT(sizeof(&((uv_buf_t*) 0)->len) == - sizeof(((struct iovec*) 0)->iov_len)); -STATIC_ASSERT(offsetof(uv_buf_t, base) == offsetof(struct iovec, iov_base)); -STATIC_ASSERT(offsetof(uv_buf_t, len) == offsetof(struct iovec, iov_len)); - - -uint64_t uv_hrtime(void) { - return uv__hrtime(UV_CLOCK_PRECISE); -} - - -void uv_close(uv_handle_t* handle, uv_close_cb close_cb) { - assert(!(handle->flags & (UV_CLOSING | UV_CLOSED))); - - handle->flags |= UV_CLOSING; - handle->close_cb = close_cb; - - switch (handle->type) { - case UV_NAMED_PIPE: - uv__pipe_close((uv_pipe_t*)handle); - break; - - case UV_TTY: - uv__stream_close((uv_stream_t*)handle); - break; - - case UV_TCP: - uv__tcp_close((uv_tcp_t*)handle); - break; - - case UV_UDP: - uv__udp_close((uv_udp_t*)handle); - break; - - case UV_PREPARE: - uv__prepare_close((uv_prepare_t*)handle); - break; - - case UV_CHECK: - uv__check_close((uv_check_t*)handle); - break; - - case UV_IDLE: - uv__idle_close((uv_idle_t*)handle); - break; - - case UV_ASYNC: - uv__async_close((uv_async_t*)handle); - break; - - case UV_TIMER: - uv__timer_close((uv_timer_t*)handle); - break; - - case UV_PROCESS: - uv__process_close((uv_process_t*)handle); - break; - - case UV_FS_EVENT: - uv__fs_event_close((uv_fs_event_t*)handle); - break; - - case UV_POLL: - uv__poll_close((uv_poll_t*)handle); - break; - - case UV_FS_POLL: - uv__fs_poll_close((uv_fs_poll_t*)handle); - break; - - case UV_SIGNAL: - uv__signal_close((uv_signal_t*) handle); - /* Signal handles may not be closed immediately. The signal code will */ - /* itself close uv__make_close_pending whenever appropriate. */ - return; - - default: - assert(0); - } - - uv__make_close_pending(handle); -} - -int uv__socket_sockopt(uv_handle_t* handle, int optname, int* value) { - int r; - int fd; - socklen_t len; - - if (handle == NULL || value == NULL) - return -EINVAL; - - if (handle->type == UV_TCP || handle->type == UV_NAMED_PIPE) - fd = uv__stream_fd((uv_stream_t*) handle); - else if (handle->type == UV_UDP) - fd = ((uv_udp_t *) handle)->io_watcher.fd; - else - return -ENOTSUP; - - len = sizeof(*value); - - if (*value == 0) - r = getsockopt(fd, SOL_SOCKET, optname, value, &len); - else - r = setsockopt(fd, SOL_SOCKET, optname, (const void*) value, len); - - if (r < 0) - return -errno; - - return 0; -} - -void uv__make_close_pending(uv_handle_t* handle) { - assert(handle->flags & UV_CLOSING); - assert(!(handle->flags & UV_CLOSED)); - handle->next_closing = handle->loop->closing_handles; - handle->loop->closing_handles = handle; -} - -int uv__getiovmax(void) { -#if defined(IOV_MAX) - return IOV_MAX; -#elif defined(_SC_IOV_MAX) - static int iovmax = -1; - if (iovmax == -1) { - iovmax = sysconf(_SC_IOV_MAX); - /* On some embedded devices (arm-linux-uclibc based ip camera), - * sysconf(_SC_IOV_MAX) can not get the correct value. The return - * value is -1 and the errno is EINPROGRESS. Degrade the value to 1. - */ - if (iovmax == -1) iovmax = 1; - } - return iovmax; -#else - return 1024; -#endif -} - - -static void uv__finish_close(uv_handle_t* handle) { - /* Note: while the handle is in the UV_CLOSING state now, it's still possible - * for it to be active in the sense that uv__is_active() returns true. - * A good example is when the user calls uv_shutdown(), immediately followed - * by uv_close(). The handle is considered active at this point because the - * completion of the shutdown req is still pending. - */ - assert(handle->flags & UV_CLOSING); - assert(!(handle->flags & UV_CLOSED)); - handle->flags |= UV_CLOSED; - - switch (handle->type) { - case UV_PREPARE: - case UV_CHECK: - case UV_IDLE: - case UV_ASYNC: - case UV_TIMER: - case UV_PROCESS: - case UV_FS_EVENT: - case UV_FS_POLL: - case UV_POLL: - case UV_SIGNAL: - break; - - case UV_NAMED_PIPE: - case UV_TCP: - case UV_TTY: - uv__stream_destroy((uv_stream_t*)handle); - break; - - case UV_UDP: - uv__udp_finish_close((uv_udp_t*)handle); - break; - - default: - assert(0); - break; - } - - uv__handle_unref(handle); - QUEUE_REMOVE(&handle->handle_queue); - - if (handle->close_cb) { - handle->close_cb(handle); - } -} - - -static void uv__run_closing_handles(uv_loop_t* loop) { - uv_handle_t* p; - uv_handle_t* q; - - p = loop->closing_handles; - loop->closing_handles = NULL; - - while (p) { - q = p->next_closing; - uv__finish_close(p); - p = q; - } -} - - -int uv_is_closing(const uv_handle_t* handle) { - return uv__is_closing(handle); -} - - -int uv_backend_fd(const uv_loop_t* loop) { - return loop->backend_fd; -} - - -int uv_backend_timeout(const uv_loop_t* loop) { - if (loop->stop_flag != 0) - return 0; - - if (!uv__has_active_handles(loop) && !uv__has_active_reqs(loop)) - return 0; - - if (!QUEUE_EMPTY(&loop->idle_handles)) - return 0; - - if (!QUEUE_EMPTY(&loop->pending_queue)) - return 0; - - if (loop->closing_handles) - return 0; - - return uv__next_timeout(loop); -} - - -static int uv__loop_alive(const uv_loop_t* loop) { - return uv__has_active_handles(loop) || - uv__has_active_reqs(loop) || - loop->closing_handles != NULL; -} - - -int uv_loop_alive(const uv_loop_t* loop) { - return uv__loop_alive(loop); -} - - -int uv_run(uv_loop_t* loop, uv_run_mode mode) { - int timeout; - int r; - int ran_pending; - - r = uv__loop_alive(loop); - if (!r) - uv__update_time(loop); - - while (r != 0 && loop->stop_flag == 0) { - uv__update_time(loop); - uv__run_timers(loop); - ran_pending = uv__run_pending(loop); - uv__run_idle(loop); - uv__run_prepare(loop); - - timeout = 0; - if ((mode == UV_RUN_ONCE && !ran_pending) || mode == UV_RUN_DEFAULT) - timeout = uv_backend_timeout(loop); - - uv__io_poll(loop, timeout); - uv__run_check(loop); - uv__run_closing_handles(loop); - - if (mode == UV_RUN_ONCE) { - /* UV_RUN_ONCE implies forward progress: at least one callback must have - * been invoked when it returns. uv__io_poll() can return without doing - * I/O (meaning: no callbacks) when its timeout expires - which means we - * have pending timers that satisfy the forward progress constraint. - * - * UV_RUN_NOWAIT makes no guarantees about progress so it's omitted from - * the check. - */ - uv__update_time(loop); - uv__run_timers(loop); - } - - r = uv__loop_alive(loop); - if (mode == UV_RUN_ONCE || mode == UV_RUN_NOWAIT) - break; - } - - /* The if statement lets gcc compile it to a conditional store. Avoids - * dirtying a cache line. - */ - if (loop->stop_flag != 0) - loop->stop_flag = 0; - - return r; -} - - -void uv_update_time(uv_loop_t* loop) { - uv__update_time(loop); -} - - -int uv_is_active(const uv_handle_t* handle) { - return uv__is_active(handle); -} - - -/* Open a socket in non-blocking close-on-exec mode, atomically if possible. */ -int uv__socket(int domain, int type, int protocol) { - int sockfd; - int err; - -#if defined(SOCK_NONBLOCK) && defined(SOCK_CLOEXEC) - sockfd = socket(domain, type | SOCK_NONBLOCK | SOCK_CLOEXEC, protocol); - if (sockfd != -1) - return sockfd; - - if (errno != EINVAL) - return -errno; -#endif - - sockfd = socket(domain, type, protocol); - if (sockfd == -1) - return -errno; - - err = uv__nonblock(sockfd, 1); - if (err == 0) - err = uv__cloexec(sockfd, 1); - - if (err) { - uv__close(sockfd); - return err; - } - -#if defined(SO_NOSIGPIPE) - { - int on = 1; - setsockopt(sockfd, SOL_SOCKET, SO_NOSIGPIPE, &on, sizeof(on)); - } -#endif - - return sockfd; -} - -/* get a file pointer to a file in read-only and close-on-exec mode */ -FILE* uv__open_file(const char* path) { - int fd; - FILE* fp; - - fd = uv__open_cloexec(path, O_RDONLY); - if (fd < 0) - return NULL; - - fp = fdopen(fd, "r"); - if (fp == NULL) - uv__close(fd); - - return fp; -} - - -int uv__accept(int sockfd) { - int peerfd; - int err; - - assert(sockfd >= 0); - - while (1) { -#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD__ >= 10) - static int no_accept4; - - if (no_accept4) - goto skip; - - peerfd = uv__accept4(sockfd, - NULL, - NULL, - UV__SOCK_NONBLOCK|UV__SOCK_CLOEXEC); - if (peerfd != -1) - return peerfd; - - if (errno == EINTR) - continue; - - if (errno != ENOSYS) - return -errno; - - no_accept4 = 1; -skip: -#endif - - peerfd = accept(sockfd, NULL, NULL); - if (peerfd == -1) { - if (errno == EINTR) - continue; - return -errno; - } - - err = uv__cloexec(peerfd, 1); - if (err == 0) - err = uv__nonblock(peerfd, 1); - - if (err) { - uv__close(peerfd); - return err; - } - - return peerfd; - } -} - - -int uv__close_nocheckstdio(int fd) { - int saved_errno; - int rc; - - assert(fd > -1); /* Catch uninitialized io_watcher.fd bugs. */ - - saved_errno = errno; - rc = close(fd); - if (rc == -1) { - rc = -errno; - if (rc == -EINTR) - rc = -EINPROGRESS; /* For platform/libc consistency. */ - errno = saved_errno; - } - - return rc; -} - - -int uv__close(int fd) { - assert(fd > STDERR_FILENO); /* Catch stdio close bugs. */ - return uv__close_nocheckstdio(fd); -} - - -#if defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__) || \ - defined(_AIX) || defined(__DragonFly__) - -int uv__nonblock(int fd, int set) { - int r; - - do - r = ioctl(fd, FIONBIO, &set); - while (r == -1 && errno == EINTR); - - if (r) - return -errno; - - return 0; -} - - -int uv__cloexec(int fd, int set) { - int r; - - do - r = ioctl(fd, set ? FIOCLEX : FIONCLEX); - while (r == -1 && errno == EINTR); - - if (r) - return -errno; - - return 0; -} - -#else /* !(defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__) || \ - defined(_AIX) || defined(__DragonFly__)) */ - -int uv__nonblock(int fd, int set) { - int flags; - int r; - - do - r = fcntl(fd, F_GETFL); - while (r == -1 && errno == EINTR); - - if (r == -1) - return -errno; - - /* Bail out now if already set/clear. */ - if (!!(r & O_NONBLOCK) == !!set) - return 0; - - if (set) - flags = r | O_NONBLOCK; - else - flags = r & ~O_NONBLOCK; - - do - r = fcntl(fd, F_SETFL, flags); - while (r == -1 && errno == EINTR); - - if (r) - return -errno; - - return 0; -} - - -int uv__cloexec(int fd, int set) { - int flags; - int r; - - do - r = fcntl(fd, F_GETFD); - while (r == -1 && errno == EINTR); - - if (r == -1) - return -errno; - - /* Bail out now if already set/clear. */ - if (!!(r & FD_CLOEXEC) == !!set) - return 0; - - if (set) - flags = r | FD_CLOEXEC; - else - flags = r & ~FD_CLOEXEC; - - do - r = fcntl(fd, F_SETFD, flags); - while (r == -1 && errno == EINTR); - - if (r) - return -errno; - - return 0; -} - -#endif /* defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__) || \ - defined(_AIX) || defined(__DragonFly__) */ - - -/* This function is not execve-safe, there is a race window - * between the call to dup() and fcntl(FD_CLOEXEC). - */ -int uv__dup(int fd) { - int err; - - fd = dup(fd); - - if (fd == -1) - return -errno; - - err = uv__cloexec(fd, 1); - if (err) { - uv__close(fd); - return err; - } - - return fd; -} - - -ssize_t uv__recvmsg(int fd, struct msghdr* msg, int flags) { - struct cmsghdr* cmsg; - ssize_t rc; - int* pfd; - int* end; -#if defined(__linux__) - static int no_msg_cmsg_cloexec; - if (no_msg_cmsg_cloexec == 0) { - rc = recvmsg(fd, msg, flags | 0x40000000); /* MSG_CMSG_CLOEXEC */ - if (rc != -1) - return rc; - if (errno != EINVAL) - return -errno; - rc = recvmsg(fd, msg, flags); - if (rc == -1) - return -errno; - no_msg_cmsg_cloexec = 1; - } else { - rc = recvmsg(fd, msg, flags); - } -#else - rc = recvmsg(fd, msg, flags); -#endif - if (rc == -1) - return -errno; - if (msg->msg_controllen == 0) - return rc; - for (cmsg = CMSG_FIRSTHDR(msg); cmsg != NULL; cmsg = CMSG_NXTHDR(msg, cmsg)) - if (cmsg->cmsg_type == SCM_RIGHTS) - for (pfd = (int*) CMSG_DATA(cmsg), - end = (int*) ((char*) cmsg + cmsg->cmsg_len); - pfd < end; - pfd += 1) - uv__cloexec(*pfd, 1); - return rc; -} - - -int uv_cwd(char* buffer, size_t* size) { - if (buffer == NULL || size == NULL) - return -EINVAL; - - if (getcwd(buffer, *size) == NULL) - return -errno; - - *size = strlen(buffer); - if (*size > 1 && buffer[*size - 1] == '/') { - buffer[*size-1] = '\0'; - (*size)--; - } - - return 0; -} - - -int uv_chdir(const char* dir) { - if (chdir(dir)) - return -errno; - - return 0; -} - - -void uv_disable_stdio_inheritance(void) { - int fd; - - /* Set the CLOEXEC flag on all open descriptors. Unconditionally try the - * first 16 file descriptors. After that, bail out after the first error. - */ - for (fd = 0; ; fd++) - if (uv__cloexec(fd, 1) && fd > 15) - break; -} - - -int uv_fileno(const uv_handle_t* handle, uv_os_fd_t* fd) { - int fd_out; - - switch (handle->type) { - case UV_TCP: - case UV_NAMED_PIPE: - case UV_TTY: - fd_out = uv__stream_fd((uv_stream_t*) handle); - break; - - case UV_UDP: - fd_out = ((uv_udp_t *) handle)->io_watcher.fd; - break; - - case UV_POLL: - fd_out = ((uv_poll_t *) handle)->io_watcher.fd; - break; - - default: - return -EINVAL; - } - - if (uv__is_closing(handle) || fd_out == -1) - return -EBADF; - - *fd = fd_out; - return 0; -} - - -static int uv__run_pending(uv_loop_t* loop) { - QUEUE* q; - QUEUE pq; - uv__io_t* w; - - if (QUEUE_EMPTY(&loop->pending_queue)) - return 0; - - QUEUE_MOVE(&loop->pending_queue, &pq); - - while (!QUEUE_EMPTY(&pq)) { - q = QUEUE_HEAD(&pq); - QUEUE_REMOVE(q); - QUEUE_INIT(q); - w = QUEUE_DATA(q, uv__io_t, pending_queue); - w->cb(loop, w, UV__POLLOUT); - } - - return 1; -} - - -static unsigned int next_power_of_two(unsigned int val) { - val -= 1; - val |= val >> 1; - val |= val >> 2; - val |= val >> 4; - val |= val >> 8; - val |= val >> 16; - val += 1; - return val; -} - -static void maybe_resize(uv_loop_t* loop, unsigned int len) { - uv__io_t** watchers; - void* fake_watcher_list; - void* fake_watcher_count; - unsigned int nwatchers; - unsigned int i; - - if (len <= loop->nwatchers) - return; - - /* Preserve fake watcher list and count at the end of the watchers */ - if (loop->watchers != NULL) { - fake_watcher_list = loop->watchers[loop->nwatchers]; - fake_watcher_count = loop->watchers[loop->nwatchers + 1]; - } else { - fake_watcher_list = NULL; - fake_watcher_count = NULL; - } - - nwatchers = next_power_of_two(len + 2) - 2; - watchers = uv__realloc(loop->watchers, - (nwatchers + 2) * sizeof(loop->watchers[0])); - - if (watchers == NULL) - abort(); - for (i = loop->nwatchers; i < nwatchers; i++) - watchers[i] = NULL; - watchers[nwatchers] = fake_watcher_list; - watchers[nwatchers + 1] = fake_watcher_count; - - loop->watchers = watchers; - loop->nwatchers = nwatchers; -} - - -void uv__io_init(uv__io_t* w, uv__io_cb cb, int fd) { - assert(cb != NULL); - assert(fd >= -1); - QUEUE_INIT(&w->pending_queue); - QUEUE_INIT(&w->watcher_queue); - w->cb = cb; - w->fd = fd; - w->events = 0; - w->pevents = 0; - -#if defined(UV_HAVE_KQUEUE) - w->rcount = 0; - w->wcount = 0; -#endif /* defined(UV_HAVE_KQUEUE) */ -} - - -void uv__io_start(uv_loop_t* loop, uv__io_t* w, unsigned int events) { - assert(0 == (events & ~(UV__POLLIN | UV__POLLOUT | UV__POLLRDHUP))); - assert(0 != events); - assert(w->fd >= 0); - assert(w->fd < INT_MAX); - - w->pevents |= events; - maybe_resize(loop, w->fd + 1); - -#if !defined(__sun) - /* The event ports backend needs to rearm all file descriptors on each and - * every tick of the event loop but the other backends allow us to - * short-circuit here if the event mask is unchanged. - */ - if (w->events == w->pevents) { - if (w->events == 0 && !QUEUE_EMPTY(&w->watcher_queue)) { - QUEUE_REMOVE(&w->watcher_queue); - QUEUE_INIT(&w->watcher_queue); - } - return; - } -#endif - - if (QUEUE_EMPTY(&w->watcher_queue)) - QUEUE_INSERT_TAIL(&loop->watcher_queue, &w->watcher_queue); - - if (loop->watchers[w->fd] == NULL) { - loop->watchers[w->fd] = w; - loop->nfds++; - } -} - - -void uv__io_stop(uv_loop_t* loop, uv__io_t* w, unsigned int events) { - assert(0 == (events & ~(UV__POLLIN | UV__POLLOUT | UV__POLLRDHUP))); - assert(0 != events); - - if (w->fd == -1) - return; - - assert(w->fd >= 0); - - /* Happens when uv__io_stop() is called on a handle that was never started. */ - if ((unsigned) w->fd >= loop->nwatchers) - return; - - w->pevents &= ~events; - - if (w->pevents == 0) { - QUEUE_REMOVE(&w->watcher_queue); - QUEUE_INIT(&w->watcher_queue); - - if (loop->watchers[w->fd] != NULL) { - assert(loop->watchers[w->fd] == w); - assert(loop->nfds > 0); - loop->watchers[w->fd] = NULL; - loop->nfds--; - w->events = 0; - } - } - else if (QUEUE_EMPTY(&w->watcher_queue)) - QUEUE_INSERT_TAIL(&loop->watcher_queue, &w->watcher_queue); -} - - -void uv__io_close(uv_loop_t* loop, uv__io_t* w) { - uv__io_stop(loop, w, UV__POLLIN | UV__POLLOUT | UV__POLLRDHUP); - QUEUE_REMOVE(&w->pending_queue); - - /* Remove stale events for this file descriptor */ - uv__platform_invalidate_fd(loop, w->fd); -} - - -void uv__io_feed(uv_loop_t* loop, uv__io_t* w) { - if (QUEUE_EMPTY(&w->pending_queue)) - QUEUE_INSERT_TAIL(&loop->pending_queue, &w->pending_queue); -} - - -int uv__io_active(const uv__io_t* w, unsigned int events) { - assert(0 == (events & ~(UV__POLLIN | UV__POLLOUT | UV__POLLRDHUP))); - assert(0 != events); - return 0 != (w->pevents & events); -} - - -int uv_getrusage(uv_rusage_t* rusage) { - struct rusage usage; - - if (getrusage(RUSAGE_SELF, &usage)) - return -errno; - - rusage->ru_utime.tv_sec = usage.ru_utime.tv_sec; - rusage->ru_utime.tv_usec = usage.ru_utime.tv_usec; - - rusage->ru_stime.tv_sec = usage.ru_stime.tv_sec; - rusage->ru_stime.tv_usec = usage.ru_stime.tv_usec; - - rusage->ru_maxrss = usage.ru_maxrss; - rusage->ru_ixrss = usage.ru_ixrss; - rusage->ru_idrss = usage.ru_idrss; - rusage->ru_isrss = usage.ru_isrss; - rusage->ru_minflt = usage.ru_minflt; - rusage->ru_majflt = usage.ru_majflt; - rusage->ru_nswap = usage.ru_nswap; - rusage->ru_inblock = usage.ru_inblock; - rusage->ru_oublock = usage.ru_oublock; - rusage->ru_msgsnd = usage.ru_msgsnd; - rusage->ru_msgrcv = usage.ru_msgrcv; - rusage->ru_nsignals = usage.ru_nsignals; - rusage->ru_nvcsw = usage.ru_nvcsw; - rusage->ru_nivcsw = usage.ru_nivcsw; - - return 0; -} - - -int uv__open_cloexec(const char* path, int flags) { - int err; - int fd; - -#if defined(UV__O_CLOEXEC) - static int no_cloexec; - - if (!no_cloexec) { - fd = open(path, flags | UV__O_CLOEXEC); - if (fd != -1) - return fd; - - if (errno != EINVAL) - return -errno; - - /* O_CLOEXEC not supported. */ - no_cloexec = 1; - } -#endif - - fd = open(path, flags); - if (fd == -1) - return -errno; - - err = uv__cloexec(fd, 1); - if (err) { - uv__close(fd); - return err; - } - - return fd; -} - - -int uv__dup2_cloexec(int oldfd, int newfd) { - int r; -#if defined(__FreeBSD__) && __FreeBSD__ >= 10 - r = dup3(oldfd, newfd, O_CLOEXEC); - if (r == -1) - return -errno; - return r; -#elif defined(__FreeBSD__) && defined(F_DUP2FD_CLOEXEC) - r = fcntl(oldfd, F_DUP2FD_CLOEXEC, newfd); - if (r != -1) - return r; - if (errno != EINVAL) - return -errno; - /* Fall through. */ -#elif defined(__linux__) - static int no_dup3; - if (!no_dup3) { - do - r = uv__dup3(oldfd, newfd, UV__O_CLOEXEC); - while (r == -1 && errno == EBUSY); - if (r != -1) - return r; - if (errno != ENOSYS) - return -errno; - /* Fall through. */ - no_dup3 = 1; - } -#endif - { - int err; - do - r = dup2(oldfd, newfd); -#if defined(__linux__) - while (r == -1 && errno == EBUSY); -#else - while (0); /* Never retry. */ -#endif - - if (r == -1) - return -errno; - - err = uv__cloexec(newfd, 1); - if (err) { - uv__close(newfd); - return err; - } - - return r; - } -} - - -int uv_os_homedir(char* buffer, size_t* size) { - uv_passwd_t pwd; - char* buf; - size_t len; - int r; - - if (buffer == NULL || size == NULL || *size == 0) - return -EINVAL; - - /* Check if the HOME environment variable is set first */ - buf = getenv("HOME"); - - if (buf != NULL) { - len = strlen(buf); - - if (len >= *size) { - *size = len + 1; - return -ENOBUFS; - } - - memcpy(buffer, buf, len + 1); - *size = len; - - return 0; - } - - /* HOME is not set, so call uv__getpwuid_r() */ - r = uv__getpwuid_r(&pwd); - - if (r != 0) { - return r; - } - - len = strlen(pwd.homedir); - - if (len >= *size) { - *size = len + 1; - uv_os_free_passwd(&pwd); - return -ENOBUFS; - } - - memcpy(buffer, pwd.homedir, len + 1); - *size = len; - uv_os_free_passwd(&pwd); - - return 0; -} - - -int uv_os_tmpdir(char* buffer, size_t* size) { - const char* buf; - size_t len; - - if (buffer == NULL || size == NULL || *size == 0) - return -EINVAL; - -#define CHECK_ENV_VAR(name) \ - do { \ - buf = getenv(name); \ - if (buf != NULL) \ - goto return_buffer; \ - } \ - while (0) - - /* Check the TMPDIR, TMP, TEMP, and TEMPDIR environment variables in order */ - CHECK_ENV_VAR("TMPDIR"); - CHECK_ENV_VAR("TMP"); - CHECK_ENV_VAR("TEMP"); - CHECK_ENV_VAR("TEMPDIR"); - -#undef CHECK_ENV_VAR - - /* No temp environment variables defined */ - #if defined(__ANDROID__) - buf = "/data/local/tmp"; - #else - buf = "/tmp"; - #endif - -return_buffer: - len = strlen(buf); - - if (len >= *size) { - *size = len + 1; - return -ENOBUFS; - } - - /* The returned directory should not have a trailing slash. */ - if (len > 1 && buf[len - 1] == '/') { - len--; - } - - memcpy(buffer, buf, len + 1); - buffer[len] = '\0'; - *size = len; - - return 0; -} - - -int uv__getpwuid_r(uv_passwd_t* pwd) { - struct passwd pw; - struct passwd* result; - char* buf; - uid_t uid; - size_t bufsize; - size_t name_size; - size_t homedir_size; - size_t shell_size; - long initsize; - int r; -#if defined(__ANDROID_API__) && __ANDROID_API__ < 21 - int (*getpwuid_r)(uid_t, struct passwd*, char*, size_t, struct passwd**); - - getpwuid_r = dlsym(RTLD_DEFAULT, "getpwuid_r"); - if (getpwuid_r == NULL) - return -ENOSYS; -#endif - - if (pwd == NULL) - return -EINVAL; - - initsize = sysconf(_SC_GETPW_R_SIZE_MAX); - - if (initsize <= 0) - bufsize = 4096; - else - bufsize = (size_t) initsize; - - uid = geteuid(); - buf = NULL; - - for (;;) { - uv__free(buf); - buf = uv__malloc(bufsize); - - if (buf == NULL) - return -ENOMEM; - - r = getpwuid_r(uid, &pw, buf, bufsize, &result); - - if (r != ERANGE) - break; - - bufsize *= 2; - } - - if (r != 0) { - uv__free(buf); - return -r; - } - - if (result == NULL) { - uv__free(buf); - return -ENOENT; - } - - /* Allocate memory for the username, shell, and home directory */ - name_size = strlen(pw.pw_name) + 1; - homedir_size = strlen(pw.pw_dir) + 1; - shell_size = strlen(pw.pw_shell) + 1; - pwd->username = uv__malloc(name_size + homedir_size + shell_size); - - if (pwd->username == NULL) { - uv__free(buf); - return -ENOMEM; - } - - /* Copy the username */ - memcpy(pwd->username, pw.pw_name, name_size); - - /* Copy the home directory */ - pwd->homedir = pwd->username + name_size; - memcpy(pwd->homedir, pw.pw_dir, homedir_size); - - /* Copy the shell */ - pwd->shell = pwd->homedir + homedir_size; - memcpy(pwd->shell, pw.pw_shell, shell_size); - - /* Copy the uid and gid */ - pwd->uid = pw.pw_uid; - pwd->gid = pw.pw_gid; - - uv__free(buf); - - return 0; -} - - -void uv_os_free_passwd(uv_passwd_t* pwd) { - if (pwd == NULL) - return; - - /* - The memory for name, shell, and homedir are allocated in a single - uv__malloc() call. The base of the pointer is stored in pwd->username, so - that is the field that needs to be freed. - */ - uv__free(pwd->username); - pwd->username = NULL; - pwd->shell = NULL; - pwd->homedir = NULL; -} - - -int uv_os_get_passwd(uv_passwd_t* pwd) { - return uv__getpwuid_r(pwd); -} diff --git a/3rdparty/libuv/src/unix/darwin-proctitle.c b/3rdparty/libuv/src/unix/darwin-proctitle.c deleted file mode 100644 index 1142311609f..00000000000 --- a/3rdparty/libuv/src/unix/darwin-proctitle.c +++ /dev/null @@ -1,206 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include <dlfcn.h> -#include <errno.h> -#include <stdlib.h> -#include <string.h> - -#include <TargetConditionals.h> - -#if !TARGET_OS_IPHONE -# include <CoreFoundation/CoreFoundation.h> -# include <ApplicationServices/ApplicationServices.h> -#endif - - -static int uv__pthread_setname_np(const char* name) { - int (*dynamic_pthread_setname_np)(const char* name); - char namebuf[64]; /* MAXTHREADNAMESIZE */ - int err; - - /* pthread_setname_np() first appeared in OS X 10.6 and iOS 3.2. */ - *(void **)(&dynamic_pthread_setname_np) = - dlsym(RTLD_DEFAULT, "pthread_setname_np"); - - if (dynamic_pthread_setname_np == NULL) - return -ENOSYS; - - strncpy(namebuf, name, sizeof(namebuf) - 1); - namebuf[sizeof(namebuf) - 1] = '\0'; - - err = dynamic_pthread_setname_np(namebuf); - if (err) - return -err; - - return 0; -} - - -int uv__set_process_title(const char* title) { -#if TARGET_OS_IPHONE - return uv__pthread_setname_np(title); -#else - CFStringRef (*pCFStringCreateWithCString)(CFAllocatorRef, - const char*, - CFStringEncoding); - CFBundleRef (*pCFBundleGetBundleWithIdentifier)(CFStringRef); - void *(*pCFBundleGetDataPointerForName)(CFBundleRef, CFStringRef); - void *(*pCFBundleGetFunctionPointerForName)(CFBundleRef, CFStringRef); - CFTypeRef (*pLSGetCurrentApplicationASN)(void); - OSStatus (*pLSSetApplicationInformationItem)(int, - CFTypeRef, - CFStringRef, - CFStringRef, - CFDictionaryRef*); - void* application_services_handle; - void* core_foundation_handle; - CFBundleRef launch_services_bundle; - CFStringRef* display_name_key; - CFDictionaryRef (*pCFBundleGetInfoDictionary)(CFBundleRef); - CFBundleRef (*pCFBundleGetMainBundle)(void); - CFBundleRef hi_services_bundle; - OSStatus (*pSetApplicationIsDaemon)(int); - CFDictionaryRef (*pLSApplicationCheckIn)(int, CFDictionaryRef); - void (*pLSSetApplicationLaunchServicesServerConnectionStatus)(uint64_t, - void*); - CFTypeRef asn; - int err; - - err = -ENOENT; - application_services_handle = dlopen("/System/Library/Frameworks/" - "ApplicationServices.framework/" - "Versions/A/ApplicationServices", - RTLD_LAZY | RTLD_LOCAL); - core_foundation_handle = dlopen("/System/Library/Frameworks/" - "CoreFoundation.framework/" - "Versions/A/CoreFoundation", - RTLD_LAZY | RTLD_LOCAL); - - if (application_services_handle == NULL || core_foundation_handle == NULL) - goto out; - - *(void **)(&pCFStringCreateWithCString) = - dlsym(core_foundation_handle, "CFStringCreateWithCString"); - *(void **)(&pCFBundleGetBundleWithIdentifier) = - dlsym(core_foundation_handle, "CFBundleGetBundleWithIdentifier"); - *(void **)(&pCFBundleGetDataPointerForName) = - dlsym(core_foundation_handle, "CFBundleGetDataPointerForName"); - *(void **)(&pCFBundleGetFunctionPointerForName) = - dlsym(core_foundation_handle, "CFBundleGetFunctionPointerForName"); - - if (pCFStringCreateWithCString == NULL || - pCFBundleGetBundleWithIdentifier == NULL || - pCFBundleGetDataPointerForName == NULL || - pCFBundleGetFunctionPointerForName == NULL) { - goto out; - } - -#define S(s) pCFStringCreateWithCString(NULL, (s), kCFStringEncodingUTF8) - - launch_services_bundle = - pCFBundleGetBundleWithIdentifier(S("com.apple.LaunchServices")); - - if (launch_services_bundle == NULL) - goto out; - - *(void **)(&pLSGetCurrentApplicationASN) = - pCFBundleGetFunctionPointerForName(launch_services_bundle, - S("_LSGetCurrentApplicationASN")); - - if (pLSGetCurrentApplicationASN == NULL) - goto out; - - *(void **)(&pLSSetApplicationInformationItem) = - pCFBundleGetFunctionPointerForName(launch_services_bundle, - S("_LSSetApplicationInformationItem")); - - if (pLSSetApplicationInformationItem == NULL) - goto out; - - display_name_key = pCFBundleGetDataPointerForName(launch_services_bundle, - S("_kLSDisplayNameKey")); - - if (display_name_key == NULL || *display_name_key == NULL) - goto out; - - *(void **)(&pCFBundleGetInfoDictionary) = dlsym(core_foundation_handle, - "CFBundleGetInfoDictionary"); - *(void **)(&pCFBundleGetMainBundle) = dlsym(core_foundation_handle, - "CFBundleGetMainBundle"); - if (pCFBundleGetInfoDictionary == NULL || pCFBundleGetMainBundle == NULL) - goto out; - - /* Black 10.9 magic, to remove (Not responding) mark in Activity Monitor */ - hi_services_bundle = - pCFBundleGetBundleWithIdentifier(S("com.apple.HIServices")); - err = -ENOENT; - if (hi_services_bundle == NULL) - goto out; - - *(void **)(&pSetApplicationIsDaemon) = pCFBundleGetFunctionPointerForName( - hi_services_bundle, - S("SetApplicationIsDaemon")); - *(void **)(&pLSApplicationCheckIn) = pCFBundleGetFunctionPointerForName( - launch_services_bundle, - S("_LSApplicationCheckIn")); - *(void **)(&pLSSetApplicationLaunchServicesServerConnectionStatus) = - pCFBundleGetFunctionPointerForName( - launch_services_bundle, - S("_LSSetApplicationLaunchServicesServerConnectionStatus")); - if (pSetApplicationIsDaemon == NULL || - pLSApplicationCheckIn == NULL || - pLSSetApplicationLaunchServicesServerConnectionStatus == NULL) { - goto out; - } - - if (pSetApplicationIsDaemon(1) != noErr) - goto out; - - pLSSetApplicationLaunchServicesServerConnectionStatus(0, NULL); - - /* Check into process manager?! */ - pLSApplicationCheckIn(-2, - pCFBundleGetInfoDictionary(pCFBundleGetMainBundle())); - - asn = pLSGetCurrentApplicationASN(); - - err = -EINVAL; - if (pLSSetApplicationInformationItem(-2, /* Magic value. */ - asn, - *display_name_key, - S(title), - NULL) != noErr) { - goto out; - } - - uv__pthread_setname_np(title); /* Don't care if it fails. */ - err = 0; - -out: - if (core_foundation_handle != NULL) - dlclose(core_foundation_handle); - - if (application_services_handle != NULL) - dlclose(application_services_handle); - - return err; -#endif /* !TARGET_OS_IPHONE */ -} diff --git a/3rdparty/libuv/src/unix/darwin.c b/3rdparty/libuv/src/unix/darwin.c deleted file mode 100644 index cf95da21693..00000000000 --- a/3rdparty/libuv/src/unix/darwin.c +++ /dev/null @@ -1,335 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <assert.h> -#include <stdint.h> -#include <errno.h> - -#include <ifaddrs.h> -#include <net/if.h> -#include <net/if_dl.h> - -#include <mach/mach.h> -#include <mach/mach_time.h> -#include <mach-o/dyld.h> /* _NSGetExecutablePath */ -#include <sys/resource.h> -#include <sys/sysctl.h> -#include <unistd.h> /* sysconf */ - - -int uv__platform_loop_init(uv_loop_t* loop) { - loop->cf_state = NULL; - - if (uv__kqueue_init(loop)) - return -errno; - - return 0; -} - - -void uv__platform_loop_delete(uv_loop_t* loop) { - uv__fsevents_loop_delete(loop); -} - - -uint64_t uv__hrtime(uv_clocktype_t type) { - static mach_timebase_info_data_t info; - - if ((ACCESS_ONCE(uint32_t, info.numer) == 0 || - ACCESS_ONCE(uint32_t, info.denom) == 0) && - mach_timebase_info(&info) != KERN_SUCCESS) - abort(); - - return mach_absolute_time() * info.numer / info.denom; -} - - -int uv_exepath(char* buffer, size_t* size) { - /* realpath(exepath) may be > PATH_MAX so double it to be on the safe side. */ - char abspath[PATH_MAX * 2 + 1]; - char exepath[PATH_MAX + 1]; - uint32_t exepath_size; - size_t abspath_size; - - if (buffer == NULL || size == NULL || *size == 0) - return -EINVAL; - - exepath_size = sizeof(exepath); - if (_NSGetExecutablePath(exepath, &exepath_size)) - return -EIO; - - if (realpath(exepath, abspath) != abspath) - return -errno; - - abspath_size = strlen(abspath); - if (abspath_size == 0) - return -EIO; - - *size -= 1; - if (*size > abspath_size) - *size = abspath_size; - - memcpy(buffer, abspath, *size); - buffer[*size] = '\0'; - - return 0; -} - - -uint64_t uv_get_free_memory(void) { - vm_statistics_data_t info; - mach_msg_type_number_t count = sizeof(info) / sizeof(integer_t); - - if (host_statistics(mach_host_self(), HOST_VM_INFO, - (host_info_t)&info, &count) != KERN_SUCCESS) { - return -EINVAL; /* FIXME(bnoordhuis) Translate error. */ - } - - return (uint64_t) info.free_count * sysconf(_SC_PAGESIZE); -} - - -uint64_t uv_get_total_memory(void) { - uint64_t info; - int which[] = {CTL_HW, HW_MEMSIZE}; - size_t size = sizeof(info); - - if (sysctl(which, 2, &info, &size, NULL, 0)) - return -errno; - - return (uint64_t) info; -} - - -void uv_loadavg(double avg[3]) { - struct loadavg info; - size_t size = sizeof(info); - int which[] = {CTL_VM, VM_LOADAVG}; - - if (sysctl(which, 2, &info, &size, NULL, 0) < 0) return; - - avg[0] = (double) info.ldavg[0] / info.fscale; - avg[1] = (double) info.ldavg[1] / info.fscale; - avg[2] = (double) info.ldavg[2] / info.fscale; -} - - -int uv_resident_set_memory(size_t* rss) { - mach_msg_type_number_t count; - task_basic_info_data_t info; - kern_return_t err; - - count = TASK_BASIC_INFO_COUNT; - err = task_info(mach_task_self(), - TASK_BASIC_INFO, - (task_info_t) &info, - &count); - (void) &err; - /* task_info(TASK_BASIC_INFO) cannot really fail. Anything other than - * KERN_SUCCESS implies a libuv bug. - */ - assert(err == KERN_SUCCESS); - *rss = info.resident_size; - - return 0; -} - - -int uv_uptime(double* uptime) { - time_t now; - struct timeval info; - size_t size = sizeof(info); - static int which[] = {CTL_KERN, KERN_BOOTTIME}; - - if (sysctl(which, 2, &info, &size, NULL, 0)) - return -errno; - - now = time(NULL); - *uptime = now - info.tv_sec; - - return 0; -} - -int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { - unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK), - multiplier = ((uint64_t)1000L / ticks); - char model[512]; - uint64_t cpuspeed; - size_t size; - unsigned int i; - natural_t numcpus; - mach_msg_type_number_t msg_type; - processor_cpu_load_info_data_t *info; - uv_cpu_info_t* cpu_info; - - size = sizeof(model); - if (sysctlbyname("machdep.cpu.brand_string", &model, &size, NULL, 0) && - sysctlbyname("hw.model", &model, &size, NULL, 0)) { - return -errno; - } - - size = sizeof(cpuspeed); - if (sysctlbyname("hw.cpufrequency", &cpuspeed, &size, NULL, 0)) - return -errno; - - if (host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &numcpus, - (processor_info_array_t*)&info, - &msg_type) != KERN_SUCCESS) { - return -EINVAL; /* FIXME(bnoordhuis) Translate error. */ - } - - *cpu_infos = uv__malloc(numcpus * sizeof(**cpu_infos)); - if (!(*cpu_infos)) { - vm_deallocate(mach_task_self(), (vm_address_t)info, msg_type); - return -ENOMEM; - } - - *count = numcpus; - - for (i = 0; i < numcpus; i++) { - cpu_info = &(*cpu_infos)[i]; - - cpu_info->cpu_times.user = (uint64_t)(info[i].cpu_ticks[0]) * multiplier; - cpu_info->cpu_times.nice = (uint64_t)(info[i].cpu_ticks[3]) * multiplier; - cpu_info->cpu_times.sys = (uint64_t)(info[i].cpu_ticks[1]) * multiplier; - cpu_info->cpu_times.idle = (uint64_t)(info[i].cpu_ticks[2]) * multiplier; - cpu_info->cpu_times.irq = 0; - - cpu_info->model = uv__strdup(model); - cpu_info->speed = cpuspeed/1000000; - } - vm_deallocate(mach_task_self(), (vm_address_t)info, msg_type); - - return 0; -} - - -void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(cpu_infos[i].model); - } - - uv__free(cpu_infos); -} - - -int uv_interface_addresses(uv_interface_address_t** addresses, int* count) { - struct ifaddrs *addrs, *ent; - uv_interface_address_t* address; - int i; - struct sockaddr_dl *sa_addr; - - if (getifaddrs(&addrs)) - return -errno; - - *count = 0; - - /* Count the number of interfaces */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family == AF_LINK)) { - continue; - } - - (*count)++; - } - - *addresses = uv__malloc(*count * sizeof(**addresses)); - if (!(*addresses)) { - freeifaddrs(addrs); - return -ENOMEM; - } - - address = *addresses; - - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING))) - continue; - - if (ent->ifa_addr == NULL) - continue; - - /* - * On Mac OS X getifaddrs returns information related to Mac Addresses for - * various devices, such as firewire, etc. These are not relevant here. - */ - if (ent->ifa_addr->sa_family == AF_LINK) - continue; - - address->name = uv__strdup(ent->ifa_name); - - if (ent->ifa_addr->sa_family == AF_INET6) { - address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr); - } else { - address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr); - } - - if (ent->ifa_netmask->sa_family == AF_INET6) { - address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask); - } else { - address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask); - } - - address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK); - - address++; - } - - /* Fill in physical addresses for each interface */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family != AF_LINK)) { - continue; - } - - address = *addresses; - - for (i = 0; i < (*count); i++) { - if (strcmp(address->name, ent->ifa_name) == 0) { - sa_addr = (struct sockaddr_dl*)(ent->ifa_addr); - memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr)); - } - address++; - } - } - - freeifaddrs(addrs); - - return 0; -} - - -void uv_free_interface_addresses(uv_interface_address_t* addresses, - int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(addresses[i].name); - } - - uv__free(addresses); -} diff --git a/3rdparty/libuv/src/unix/dl.c b/3rdparty/libuv/src/unix/dl.c deleted file mode 100644 index fc1c052bb81..00000000000 --- a/3rdparty/libuv/src/unix/dl.c +++ /dev/null @@ -1,80 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <dlfcn.h> -#include <errno.h> -#include <string.h> -#include <locale.h> - -static int uv__dlerror(uv_lib_t* lib); - - -int uv_dlopen(const char* filename, uv_lib_t* lib) { - dlerror(); /* Reset error status. */ - lib->errmsg = NULL; - lib->handle = dlopen(filename, RTLD_LAZY); - return lib->handle ? 0 : uv__dlerror(lib); -} - - -void uv_dlclose(uv_lib_t* lib) { - uv__free(lib->errmsg); - lib->errmsg = NULL; - - if (lib->handle) { - /* Ignore errors. No good way to signal them without leaking memory. */ - dlclose(lib->handle); - lib->handle = NULL; - } -} - - -int uv_dlsym(uv_lib_t* lib, const char* name, void** ptr) { - dlerror(); /* Reset error status. */ - *ptr = dlsym(lib->handle, name); - return uv__dlerror(lib); -} - - -const char* uv_dlerror(const uv_lib_t* lib) { - return lib->errmsg ? lib->errmsg : "no error"; -} - - -static int uv__dlerror(uv_lib_t* lib) { - const char* errmsg; - - uv__free(lib->errmsg); - - errmsg = dlerror(); - - if (errmsg) { - lib->errmsg = uv__strdup(errmsg); - return -1; - } - else { - lib->errmsg = NULL; - return 0; - } -} diff --git a/3rdparty/libuv/src/unix/freebsd.c b/3rdparty/libuv/src/unix/freebsd.c deleted file mode 100644 index b747abdf5bc..00000000000 --- a/3rdparty/libuv/src/unix/freebsd.c +++ /dev/null @@ -1,450 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <assert.h> -#include <string.h> -#include <errno.h> - -#include <ifaddrs.h> -#include <net/if.h> -#include <net/if_dl.h> - -#include <kvm.h> -#include <paths.h> -#include <sys/user.h> -#include <sys/types.h> -#include <sys/resource.h> -#include <sys/sysctl.h> -#include <vm/vm_param.h> /* VM_LOADAVG */ -#include <time.h> -#include <stdlib.h> -#include <unistd.h> /* sysconf */ -#include <fcntl.h> - -#undef NANOSEC -#define NANOSEC ((uint64_t) 1e9) - -#ifndef CPUSTATES -# define CPUSTATES 5U -#endif -#ifndef CP_USER -# define CP_USER 0 -# define CP_NICE 1 -# define CP_SYS 2 -# define CP_IDLE 3 -# define CP_INTR 4 -#endif - -static char *process_title; - - -int uv__platform_loop_init(uv_loop_t* loop) { - return uv__kqueue_init(loop); -} - - -void uv__platform_loop_delete(uv_loop_t* loop) { -} - - -uint64_t uv__hrtime(uv_clocktype_t type) { - struct timespec ts; - clock_gettime(CLOCK_MONOTONIC, &ts); - return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec); -} - - -#ifdef __DragonFly__ -int uv_exepath(char* buffer, size_t* size) { - char abspath[PATH_MAX * 2 + 1]; - ssize_t abspath_size; - - if (buffer == NULL || size == NULL || *size == 0) - return -EINVAL; - - abspath_size = readlink("/proc/curproc/file", abspath, sizeof(abspath)); - if (abspath_size < 0) - return -errno; - - assert(abspath_size > 0); - *size -= 1; - - if (*size > abspath_size) - *size = abspath_size; - - memcpy(buffer, abspath, *size); - buffer[*size] = '\0'; - - return 0; -} -#else -int uv_exepath(char* buffer, size_t* size) { - char abspath[PATH_MAX * 2 + 1]; - int mib[4]; - size_t abspath_size; - - if (buffer == NULL || size == NULL || *size == 0) - return -EINVAL; - - mib[0] = CTL_KERN; - mib[1] = KERN_PROC; - mib[2] = KERN_PROC_PATHNAME; - mib[3] = -1; - - abspath_size = sizeof abspath; - if (sysctl(mib, 4, abspath, &abspath_size, NULL, 0)) - return -errno; - - assert(abspath_size > 0); - abspath_size -= 1; - *size -= 1; - - if (*size > abspath_size) - *size = abspath_size; - - memcpy(buffer, abspath, *size); - buffer[*size] = '\0'; - - return 0; -} -#endif - -uint64_t uv_get_free_memory(void) { - int freecount; - size_t size = sizeof(freecount); - - if (sysctlbyname("vm.stats.vm.v_free_count", &freecount, &size, NULL, 0)) - return -errno; - - return (uint64_t) freecount * sysconf(_SC_PAGESIZE); - -} - - -uint64_t uv_get_total_memory(void) { - unsigned long info; - int which[] = {CTL_HW, HW_PHYSMEM}; - - size_t size = sizeof(info); - - if (sysctl(which, 2, &info, &size, NULL, 0)) - return -errno; - - return (uint64_t) info; -} - - -void uv_loadavg(double avg[3]) { - struct loadavg info; - size_t size = sizeof(info); - int which[] = {CTL_VM, VM_LOADAVG}; - - if (sysctl(which, 2, &info, &size, NULL, 0) < 0) return; - - avg[0] = (double) info.ldavg[0] / info.fscale; - avg[1] = (double) info.ldavg[1] / info.fscale; - avg[2] = (double) info.ldavg[2] / info.fscale; -} - - -char** uv_setup_args(int argc, char** argv) { - process_title = argc ? uv__strdup(argv[0]) : NULL; - return argv; -} - - -int uv_set_process_title(const char* title) { - int oid[4]; - - uv__free(process_title); - process_title = uv__strdup(title); - - oid[0] = CTL_KERN; - oid[1] = KERN_PROC; - oid[2] = KERN_PROC_ARGS; - oid[3] = getpid(); - - sysctl(oid, - ARRAY_SIZE(oid), - NULL, - NULL, - process_title, - strlen(process_title) + 1); - - return 0; -} - - -int uv_get_process_title(char* buffer, size_t size) { - if (process_title) { - strncpy(buffer, process_title, size); - } else { - if (size > 0) { - buffer[0] = '\0'; - } - } - - return 0; -} - - -int uv_resident_set_memory(size_t* rss) { - kvm_t *kd = NULL; - struct kinfo_proc *kinfo = NULL; - pid_t pid; - int nprocs; - size_t page_size = getpagesize(); - - pid = getpid(); - - kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open"); - if (kd == NULL) goto error; - - kinfo = kvm_getprocs(kd, KERN_PROC_PID, pid, &nprocs); - if (kinfo == NULL) goto error; - -#ifdef __DragonFly__ - *rss = kinfo->kp_vm_rssize * page_size; -#else - *rss = kinfo->ki_rssize * page_size; -#endif - - kvm_close(kd); - - return 0; - -error: - if (kd) kvm_close(kd); - return -EPERM; -} - - -int uv_uptime(double* uptime) { - int r; - struct timespec sp; - r = clock_gettime(CLOCK_MONOTONIC, &sp); - if (r) - return -errno; - - *uptime = sp.tv_sec; - return 0; -} - - -int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { - unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK), - multiplier = ((uint64_t)1000L / ticks), cpuspeed, maxcpus, - cur = 0; - uv_cpu_info_t* cpu_info; - const char* maxcpus_key; - const char* cptimes_key; - char model[512]; - long* cp_times; - int numcpus; - size_t size; - int i; - -#if defined(__DragonFly__) - /* This is not quite correct but DragonFlyBSD doesn't seem to have anything - * comparable to kern.smp.maxcpus or kern.cp_times (kern.cp_time is a total, - * not per CPU). At least this stops uv_cpu_info() from failing completely. - */ - maxcpus_key = "hw.ncpu"; - cptimes_key = "kern.cp_time"; -#else - maxcpus_key = "kern.smp.maxcpus"; - cptimes_key = "kern.cp_times"; -#endif - - size = sizeof(model); - if (sysctlbyname("hw.model", &model, &size, NULL, 0)) - return -errno; - - size = sizeof(numcpus); - if (sysctlbyname("hw.ncpu", &numcpus, &size, NULL, 0)) - return -errno; - - *cpu_infos = uv__malloc(numcpus * sizeof(**cpu_infos)); - if (!(*cpu_infos)) - return -ENOMEM; - - *count = numcpus; - - size = sizeof(cpuspeed); - if (sysctlbyname("hw.clockrate", &cpuspeed, &size, NULL, 0)) { - SAVE_ERRNO(uv__free(*cpu_infos)); - return -errno; - } - - /* kern.cp_times on FreeBSD i386 gives an array up to maxcpus instead of - * ncpu. - */ - size = sizeof(maxcpus); - if (sysctlbyname(maxcpus_key, &maxcpus, &size, NULL, 0)) { - SAVE_ERRNO(uv__free(*cpu_infos)); - return -errno; - } - - size = maxcpus * CPUSTATES * sizeof(long); - - cp_times = uv__malloc(size); - if (cp_times == NULL) { - uv__free(*cpu_infos); - return -ENOMEM; - } - - if (sysctlbyname(cptimes_key, cp_times, &size, NULL, 0)) { - SAVE_ERRNO(uv__free(cp_times)); - SAVE_ERRNO(uv__free(*cpu_infos)); - return -errno; - } - - for (i = 0; i < numcpus; i++) { - cpu_info = &(*cpu_infos)[i]; - - cpu_info->cpu_times.user = (uint64_t)(cp_times[CP_USER+cur]) * multiplier; - cpu_info->cpu_times.nice = (uint64_t)(cp_times[CP_NICE+cur]) * multiplier; - cpu_info->cpu_times.sys = (uint64_t)(cp_times[CP_SYS+cur]) * multiplier; - cpu_info->cpu_times.idle = (uint64_t)(cp_times[CP_IDLE+cur]) * multiplier; - cpu_info->cpu_times.irq = (uint64_t)(cp_times[CP_INTR+cur]) * multiplier; - - cpu_info->model = uv__strdup(model); - cpu_info->speed = cpuspeed; - - cur+=CPUSTATES; - } - - uv__free(cp_times); - return 0; -} - - -void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(cpu_infos[i].model); - } - - uv__free(cpu_infos); -} - - -int uv_interface_addresses(uv_interface_address_t** addresses, int* count) { - struct ifaddrs *addrs, *ent; - uv_interface_address_t* address; - int i; - struct sockaddr_dl *sa_addr; - - if (getifaddrs(&addrs)) - return -errno; - - *count = 0; - - /* Count the number of interfaces */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family == AF_LINK)) { - continue; - } - - (*count)++; - } - - *addresses = uv__malloc(*count * sizeof(**addresses)); - if (!(*addresses)) { - freeifaddrs(addrs); - return -ENOMEM; - } - - address = *addresses; - - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING))) - continue; - - if (ent->ifa_addr == NULL) - continue; - - /* - * On FreeBSD getifaddrs returns information related to the raw underlying - * devices. We're not interested in this information yet. - */ - if (ent->ifa_addr->sa_family == AF_LINK) - continue; - - address->name = uv__strdup(ent->ifa_name); - - if (ent->ifa_addr->sa_family == AF_INET6) { - address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr); - } else { - address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr); - } - - if (ent->ifa_netmask->sa_family == AF_INET6) { - address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask); - } else { - address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask); - } - - address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK); - - address++; - } - - /* Fill in physical addresses for each interface */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family != AF_LINK)) { - continue; - } - - address = *addresses; - - for (i = 0; i < (*count); i++) { - if (strcmp(address->name, ent->ifa_name) == 0) { - sa_addr = (struct sockaddr_dl*)(ent->ifa_addr); - memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr)); - } - address++; - } - } - - freeifaddrs(addrs); - - return 0; -} - - -void uv_free_interface_addresses(uv_interface_address_t* addresses, - int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(addresses[i].name); - } - - uv__free(addresses); -} diff --git a/3rdparty/libuv/src/unix/fs.c b/3rdparty/libuv/src/unix/fs.c deleted file mode 100644 index 8936ad9d837..00000000000 --- a/3rdparty/libuv/src/unix/fs.c +++ /dev/null @@ -1,1315 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -/* Caveat emptor: this file deviates from the libuv convention of returning - * negated errno codes. Most uv_fs_*() functions map directly to the system - * call of the same name. For more complex wrappers, it's easier to just - * return -1 with errno set. The dispatcher in uv__fs_work() takes care of - * getting the errno to the right place (req->result or as the return value.) - */ - -#include "uv.h" -#include "internal.h" - -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <sys/uio.h> -#include <pthread.h> -#include <unistd.h> -#include <fcntl.h> -#include <utime.h> -#include <poll.h> - -#if defined(__DragonFly__) || \ - defined(__FreeBSD__) || \ - defined(__OpenBSD__) || \ - defined(__NetBSD__) -# define HAVE_PREADV 1 -#else -# define HAVE_PREADV 0 -#endif - -#if defined(__linux__) || defined(__sun) -# include <sys/sendfile.h> -#endif - -#define INIT(subtype) \ - do { \ - req->type = UV_FS; \ - if (cb != NULL) \ - uv__req_init(loop, req, UV_FS); \ - req->fs_type = UV_FS_ ## subtype; \ - req->result = 0; \ - req->ptr = NULL; \ - req->loop = loop; \ - req->path = NULL; \ - req->new_path = NULL; \ - req->cb = cb; \ - } \ - while (0) - -#define PATH \ - do { \ - assert(path != NULL); \ - if (cb == NULL) { \ - req->path = path; \ - } else { \ - req->path = uv__strdup(path); \ - if (req->path == NULL) { \ - uv__req_unregister(loop, req); \ - return -ENOMEM; \ - } \ - } \ - } \ - while (0) - -#define PATH2 \ - do { \ - if (cb == NULL) { \ - req->path = path; \ - req->new_path = new_path; \ - } else { \ - size_t path_len; \ - size_t new_path_len; \ - path_len = strlen(path) + 1; \ - new_path_len = strlen(new_path) + 1; \ - req->path = uv__malloc(path_len + new_path_len); \ - if (req->path == NULL) { \ - uv__req_unregister(loop, req); \ - return -ENOMEM; \ - } \ - req->new_path = req->path + path_len; \ - memcpy((void*) req->path, path, path_len); \ - memcpy((void*) req->new_path, new_path, new_path_len); \ - } \ - } \ - while (0) - -#define POST \ - do { \ - if (cb != NULL) { \ - uv__work_submit(loop, &req->work_req, uv__fs_work, uv__fs_done); \ - return 0; \ - } \ - else { \ - uv__fs_work(&req->work_req); \ - return req->result; \ - } \ - } \ - while (0) - - -static ssize_t uv__fs_fdatasync(uv_fs_t* req) { -#if defined(__linux__) || defined(__sun) || defined(__NetBSD__) - return fdatasync(req->file); -#elif defined(__APPLE__) && defined(SYS_fdatasync) - return syscall(SYS_fdatasync, req->file); -#else - return fsync(req->file); -#endif -} - - -static ssize_t uv__fs_futime(uv_fs_t* req) { -#if defined(__linux__) - /* utimesat() has nanosecond resolution but we stick to microseconds - * for the sake of consistency with other platforms. - */ - static int no_utimesat; - struct timespec ts[2]; - struct timeval tv[2]; - char path[sizeof("/proc/self/fd/") + 3 * sizeof(int)]; - int r; - - if (no_utimesat) - goto skip; - - ts[0].tv_sec = req->atime; - ts[0].tv_nsec = (unsigned long)(req->atime * 1000000) % 1000000 * 1000; - ts[1].tv_sec = req->mtime; - ts[1].tv_nsec = (unsigned long)(req->mtime * 1000000) % 1000000 * 1000; - - r = uv__utimesat(req->file, NULL, ts, 0); - if (r == 0) - return r; - - if (errno != ENOSYS) - return r; - - no_utimesat = 1; - -skip: - - tv[0].tv_sec = req->atime; - tv[0].tv_usec = (unsigned long)(req->atime * 1000000) % 1000000; - tv[1].tv_sec = req->mtime; - tv[1].tv_usec = (unsigned long)(req->mtime * 1000000) % 1000000; - snprintf(path, sizeof(path), "/proc/self/fd/%d", (int) req->file); - - r = utimes(path, tv); - if (r == 0) - return r; - - switch (errno) { - case ENOENT: - if (fcntl(req->file, F_GETFL) == -1 && errno == EBADF) - break; - /* Fall through. */ - - case EACCES: - case ENOTDIR: - errno = ENOSYS; - break; - } - - return r; - -#elif defined(__APPLE__) \ - || defined(__DragonFly__) \ - || defined(__FreeBSD__) \ - || defined(__NetBSD__) \ - || defined(__OpenBSD__) \ - || defined(__sun) - struct timeval tv[2]; - tv[0].tv_sec = req->atime; - tv[0].tv_usec = (unsigned long)(req->atime * 1000000) % 1000000; - tv[1].tv_sec = req->mtime; - tv[1].tv_usec = (unsigned long)(req->mtime * 1000000) % 1000000; -# if defined(__sun) - return futimesat(req->file, NULL, tv); -# else - return futimes(req->file, tv); -# endif -#else - errno = ENOSYS; - return -1; -#endif -} - - -static ssize_t uv__fs_mkdtemp(uv_fs_t* req) { - return mkdtemp((char*) req->path) ? 0 : -1; -} - - -static ssize_t uv__fs_open(uv_fs_t* req) { - static int no_cloexec_support; - int r; - - /* Try O_CLOEXEC before entering locks */ - if (no_cloexec_support == 0) { -#ifdef O_CLOEXEC - r = open(req->path, req->flags | O_CLOEXEC, req->mode); - if (r >= 0) - return r; - if (errno != EINVAL) - return r; - no_cloexec_support = 1; -#endif /* O_CLOEXEC */ - } - - if (req->cb != NULL) - uv_rwlock_rdlock(&req->loop->cloexec_lock); - - r = open(req->path, req->flags, req->mode); - - /* In case of failure `uv__cloexec` will leave error in `errno`, - * so it is enough to just set `r` to `-1`. - */ - if (r >= 0 && uv__cloexec(r, 1) != 0) { - r = uv__close(r); - if (r != 0 && r != -EINPROGRESS) - abort(); - r = -1; - } - - if (req->cb != NULL) - uv_rwlock_rdunlock(&req->loop->cloexec_lock); - - return r; -} - - -static ssize_t uv__fs_read(uv_fs_t* req) { -#if defined(__linux__) - static int no_preadv; -#endif - ssize_t result; - -#if defined(_AIX) - struct stat buf; - if(fstat(req->file, &buf)) - return -1; - if(S_ISDIR(buf.st_mode)) { - errno = EISDIR; - return -1; - } -#endif /* defined(_AIX) */ - if (req->off < 0) { - if (req->nbufs == 1) - result = read(req->file, req->bufs[0].base, req->bufs[0].len); - else - result = readv(req->file, (struct iovec*) req->bufs, req->nbufs); - } else { - if (req->nbufs == 1) { - result = pread(req->file, req->bufs[0].base, req->bufs[0].len, req->off); - goto done; - } - -#if HAVE_PREADV - result = preadv(req->file, (struct iovec*) req->bufs, req->nbufs, req->off); -#else -# if defined(__linux__) - if (no_preadv) retry: -# endif - { - off_t nread; - size_t index; - - nread = 0; - index = 0; - result = 1; - do { - if (req->bufs[index].len > 0) { - result = pread(req->file, - req->bufs[index].base, - req->bufs[index].len, - req->off + nread); - if (result > 0) - nread += result; - } - index++; - } while (index < req->nbufs && result > 0); - if (nread > 0) - result = nread; - } -# if defined(__linux__) - else { - result = uv__preadv(req->file, - (struct iovec*)req->bufs, - req->nbufs, - req->off); - if (result == -1 && errno == ENOSYS) { - no_preadv = 1; - goto retry; - } - } -# endif -#endif - } - -done: - return result; -} - - -#if defined(__OpenBSD__) || (defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_8)) -static int uv__fs_scandir_filter(uv__dirent_t* dent) { -#else -static int uv__fs_scandir_filter(const uv__dirent_t* dent) { -#endif - return strcmp(dent->d_name, ".") != 0 && strcmp(dent->d_name, "..") != 0; -} - - -static ssize_t uv__fs_scandir(uv_fs_t* req) { - uv__dirent_t **dents; - int saved_errno; - int n; - - dents = NULL; - n = scandir(req->path, &dents, uv__fs_scandir_filter, alphasort); - - /* NOTE: We will use nbufs as an index field */ - req->nbufs = 0; - - if (n == 0) - goto out; /* osx still needs to deallocate some memory */ - else if (n == -1) - return n; - - req->ptr = dents; - - return n; - -out: - saved_errno = errno; - if (dents != NULL) { - int i; - - for (i = 0; i < n; i++) - uv__free(dents[i]); - uv__free(dents); - } - errno = saved_errno; - - req->ptr = NULL; - - return n; -} - - -static ssize_t uv__fs_pathmax_size(const char* path) { - ssize_t pathmax; - - pathmax = pathconf(path, _PC_PATH_MAX); - - if (pathmax == -1) { -#if defined(PATH_MAX) - return PATH_MAX; -#else - return 4096; -#endif - } - - return pathmax; -} - -static ssize_t uv__fs_readlink(uv_fs_t* req) { - ssize_t len; - char* buf; - - len = uv__fs_pathmax_size(req->path); - buf = uv__malloc(len + 1); - - if (buf == NULL) { - errno = ENOMEM; - return -1; - } - - len = readlink(req->path, buf, len); - - if (len == -1) { - uv__free(buf); - return -1; - } - - buf[len] = '\0'; - req->ptr = buf; - - return 0; -} - -static ssize_t uv__fs_realpath(uv_fs_t* req) { - ssize_t len; - char* buf; - - len = uv__fs_pathmax_size(req->path); - buf = uv__malloc(len + 1); - - if (buf == NULL) { - errno = ENOMEM; - return -1; - } - - if (realpath(req->path, buf) == NULL) { - uv__free(buf); - return -1; - } - - req->ptr = buf; - - return 0; -} - -static ssize_t uv__fs_sendfile_emul(uv_fs_t* req) { - struct pollfd pfd; - int use_pread; - off_t offset; - ssize_t nsent; - ssize_t nread; - ssize_t nwritten; - size_t buflen; - size_t len; - ssize_t n; - int in_fd; - int out_fd; - char buf[8192]; - - len = req->bufsml[0].len; - in_fd = req->flags; - out_fd = req->file; - offset = req->off; - use_pread = 1; - - /* Here are the rules regarding errors: - * - * 1. Read errors are reported only if nsent==0, otherwise we return nsent. - * The user needs to know that some data has already been sent, to stop - * them from sending it twice. - * - * 2. Write errors are always reported. Write errors are bad because they - * mean data loss: we've read data but now we can't write it out. - * - * We try to use pread() and fall back to regular read() if the source fd - * doesn't support positional reads, for example when it's a pipe fd. - * - * If we get EAGAIN when writing to the target fd, we poll() on it until - * it becomes writable again. - * - * FIXME: If we get a write error when use_pread==1, it should be safe to - * return the number of sent bytes instead of an error because pread() - * is, in theory, idempotent. However, special files in /dev or /proc - * may support pread() but not necessarily return the same data on - * successive reads. - * - * FIXME: There is no way now to signal that we managed to send *some* data - * before a write error. - */ - for (nsent = 0; (size_t) nsent < len; ) { - buflen = len - nsent; - - if (buflen > sizeof(buf)) - buflen = sizeof(buf); - - do - if (use_pread) - nread = pread(in_fd, buf, buflen, offset); - else - nread = read(in_fd, buf, buflen); - while (nread == -1 && errno == EINTR); - - if (nread == 0) - goto out; - - if (nread == -1) { - if (use_pread && nsent == 0 && (errno == EIO || errno == ESPIPE)) { - use_pread = 0; - continue; - } - - if (nsent == 0) - nsent = -1; - - goto out; - } - - for (nwritten = 0; nwritten < nread; ) { - do - n = write(out_fd, buf + nwritten, nread - nwritten); - while (n == -1 && errno == EINTR); - - if (n != -1) { - nwritten += n; - continue; - } - - if (errno != EAGAIN && errno != EWOULDBLOCK) { - nsent = -1; - goto out; - } - - pfd.fd = out_fd; - pfd.events = POLLOUT; - pfd.revents = 0; - - do - n = poll(&pfd, 1, -1); - while (n == -1 && errno == EINTR); - - if (n == -1 || (pfd.revents & ~POLLOUT) != 0) { - errno = EIO; - nsent = -1; - goto out; - } - } - - offset += nread; - nsent += nread; - } - -out: - if (nsent != -1) - req->off = offset; - - return nsent; -} - - -static ssize_t uv__fs_sendfile(uv_fs_t* req) { - int in_fd; - int out_fd; - - in_fd = req->flags; - out_fd = req->file; - -#if defined(__linux__) || defined(__sun) - { - off_t off; - ssize_t r; - - off = req->off; - r = sendfile(out_fd, in_fd, &off, req->bufsml[0].len); - - /* sendfile() on SunOS returns EINVAL if the target fd is not a socket but - * it still writes out data. Fortunately, we can detect it by checking if - * the offset has been updated. - */ - if (r != -1 || off > req->off) { - r = off - req->off; - req->off = off; - return r; - } - - if (errno == EINVAL || - errno == EIO || - errno == ENOTSOCK || - errno == EXDEV) { - errno = 0; - return uv__fs_sendfile_emul(req); - } - - return -1; - } -#elif defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__) - { - off_t len; - ssize_t r; - - /* sendfile() on FreeBSD and Darwin returns EAGAIN if the target fd is in - * non-blocking mode and not all data could be written. If a non-zero - * number of bytes have been sent, we don't consider it an error. - */ - -#if defined(__FreeBSD__) || defined(__DragonFly__) - len = 0; - r = sendfile(in_fd, out_fd, req->off, req->bufsml[0].len, NULL, &len, 0); -#else - /* The darwin sendfile takes len as an input for the length to send, - * so make sure to initialize it with the caller's value. */ - len = req->bufsml[0].len; - r = sendfile(in_fd, out_fd, req->off, &len, NULL, 0); -#endif - - /* - * The man page for sendfile(2) on DragonFly states that `len` contains - * a meaningful value ONLY in case of EAGAIN and EINTR. - * Nothing is said about it's value in case of other errors, so better - * not depend on the potential wrong assumption that is was not modified - * by the syscall. - */ - if (r == 0 || ((errno == EAGAIN || errno == EINTR) && len != 0)) { - req->off += len; - return (ssize_t) len; - } - - if (errno == EINVAL || - errno == EIO || - errno == ENOTSOCK || - errno == EXDEV) { - errno = 0; - return uv__fs_sendfile_emul(req); - } - - return -1; - } -#else - /* Squelch compiler warnings. */ - (void) &in_fd; - (void) &out_fd; - - return uv__fs_sendfile_emul(req); -#endif -} - - -static ssize_t uv__fs_utime(uv_fs_t* req) { - struct utimbuf buf; - buf.actime = req->atime; - buf.modtime = req->mtime; - return utime(req->path, &buf); /* TODO use utimes() where available */ -} - - -static ssize_t uv__fs_write(uv_fs_t* req) { -#if defined(__linux__) - static int no_pwritev; -#endif - ssize_t r; - - /* Serialize writes on OS X, concurrent write() and pwrite() calls result in - * data loss. We can't use a per-file descriptor lock, the descriptor may be - * a dup(). - */ -#if defined(__APPLE__) - static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; - - if (pthread_mutex_lock(&lock)) - abort(); -#endif - - if (req->off < 0) { - if (req->nbufs == 1) - r = write(req->file, req->bufs[0].base, req->bufs[0].len); - else - r = writev(req->file, (struct iovec*) req->bufs, req->nbufs); - } else { - if (req->nbufs == 1) { - r = pwrite(req->file, req->bufs[0].base, req->bufs[0].len, req->off); - goto done; - } -#if HAVE_PREADV - r = pwritev(req->file, (struct iovec*) req->bufs, req->nbufs, req->off); -#else -# if defined(__linux__) - if (no_pwritev) retry: -# endif - { - off_t written; - size_t index; - - written = 0; - index = 0; - r = 0; - do { - if (req->bufs[index].len > 0) { - r = pwrite(req->file, - req->bufs[index].base, - req->bufs[index].len, - req->off + written); - if (r > 0) - written += r; - } - index++; - } while (index < req->nbufs && r >= 0); - if (written > 0) - r = written; - } -# if defined(__linux__) - else { - r = uv__pwritev(req->file, - (struct iovec*) req->bufs, - req->nbufs, - req->off); - if (r == -1 && errno == ENOSYS) { - no_pwritev = 1; - goto retry; - } - } -# endif -#endif - } - -done: -#if defined(__APPLE__) - if (pthread_mutex_unlock(&lock)) - abort(); -#endif - - return r; -} - -static void uv__to_stat(struct stat* src, uv_stat_t* dst) { - dst->st_dev = src->st_dev; - dst->st_mode = src->st_mode; - dst->st_nlink = src->st_nlink; - dst->st_uid = src->st_uid; - dst->st_gid = src->st_gid; - dst->st_rdev = src->st_rdev; - dst->st_ino = src->st_ino; - dst->st_size = src->st_size; - dst->st_blksize = src->st_blksize; - dst->st_blocks = src->st_blocks; - -#if defined(__APPLE__) - dst->st_atim.tv_sec = src->st_atimespec.tv_sec; - dst->st_atim.tv_nsec = src->st_atimespec.tv_nsec; - dst->st_mtim.tv_sec = src->st_mtimespec.tv_sec; - dst->st_mtim.tv_nsec = src->st_mtimespec.tv_nsec; - dst->st_ctim.tv_sec = src->st_ctimespec.tv_sec; - dst->st_ctim.tv_nsec = src->st_ctimespec.tv_nsec; - dst->st_birthtim.tv_sec = src->st_birthtimespec.tv_sec; - dst->st_birthtim.tv_nsec = src->st_birthtimespec.tv_nsec; - dst->st_flags = src->st_flags; - dst->st_gen = src->st_gen; -#elif defined(__ANDROID__) - dst->st_atim.tv_sec = src->st_atime; - dst->st_atim.tv_nsec = src->st_atimensec; - dst->st_mtim.tv_sec = src->st_mtime; - dst->st_mtim.tv_nsec = src->st_mtimensec; - dst->st_ctim.tv_sec = src->st_ctime; - dst->st_ctim.tv_nsec = src->st_ctimensec; - dst->st_birthtim.tv_sec = src->st_ctime; - dst->st_birthtim.tv_nsec = src->st_ctimensec; - dst->st_flags = 0; - dst->st_gen = 0; -#elif !defined(_AIX) && ( \ - defined(_BSD_SOURCE) || \ - defined(_SVID_SOURCE) || \ - defined(_XOPEN_SOURCE) || \ - defined(_DEFAULT_SOURCE)) - dst->st_atim.tv_sec = src->st_atim.tv_sec; - dst->st_atim.tv_nsec = src->st_atim.tv_nsec; - dst->st_mtim.tv_sec = src->st_mtim.tv_sec; - dst->st_mtim.tv_nsec = src->st_mtim.tv_nsec; - dst->st_ctim.tv_sec = src->st_ctim.tv_sec; - dst->st_ctim.tv_nsec = src->st_ctim.tv_nsec; -# if defined(__DragonFly__) || \ - defined(__FreeBSD__) || \ - defined(__OpenBSD__) || \ - defined(__NetBSD__) - dst->st_birthtim.tv_sec = src->st_birthtim.tv_sec; - dst->st_birthtim.tv_nsec = src->st_birthtim.tv_nsec; - dst->st_flags = src->st_flags; - dst->st_gen = src->st_gen; -# else - dst->st_birthtim.tv_sec = src->st_ctim.tv_sec; - dst->st_birthtim.tv_nsec = src->st_ctim.tv_nsec; - dst->st_flags = 0; - dst->st_gen = 0; -# endif -#else - dst->st_atim.tv_sec = src->st_atime; - dst->st_atim.tv_nsec = 0; - dst->st_mtim.tv_sec = src->st_mtime; - dst->st_mtim.tv_nsec = 0; - dst->st_ctim.tv_sec = src->st_ctime; - dst->st_ctim.tv_nsec = 0; - dst->st_birthtim.tv_sec = src->st_ctime; - dst->st_birthtim.tv_nsec = 0; - dst->st_flags = 0; - dst->st_gen = 0; -#endif -} - - -static int uv__fs_stat(const char *path, uv_stat_t *buf) { - struct stat pbuf; - int ret; - ret = stat(path, &pbuf); - uv__to_stat(&pbuf, buf); - return ret; -} - - -static int uv__fs_lstat(const char *path, uv_stat_t *buf) { - struct stat pbuf; - int ret; - ret = lstat(path, &pbuf); - uv__to_stat(&pbuf, buf); - return ret; -} - - -static int uv__fs_fstat(int fd, uv_stat_t *buf) { - struct stat pbuf; - int ret; - ret = fstat(fd, &pbuf); - uv__to_stat(&pbuf, buf); - return ret; -} - - -typedef ssize_t (*uv__fs_buf_iter_processor)(uv_fs_t* req); -static ssize_t uv__fs_buf_iter(uv_fs_t* req, uv__fs_buf_iter_processor process) { - unsigned int iovmax; - unsigned int nbufs; - uv_buf_t* bufs; - ssize_t total; - ssize_t result; - - iovmax = uv__getiovmax(); - nbufs = req->nbufs; - bufs = req->bufs; - total = 0; - - while (nbufs > 0) { - req->nbufs = nbufs; - if (req->nbufs > iovmax) - req->nbufs = iovmax; - - result = process(req); - if (result <= 0) { - if (total == 0) - total = result; - break; - } - - if (req->off >= 0) - req->off += result; - - req->bufs += req->nbufs; - nbufs -= req->nbufs; - total += result; - } - - if (errno == EINTR && total == -1) - return total; - - if (bufs != req->bufsml) - uv__free(bufs); - - req->bufs = NULL; - req->nbufs = 0; - - return total; -} - - -static void uv__fs_work(struct uv__work* w) { - int retry_on_eintr; - uv_fs_t* req; - ssize_t r; - - req = container_of(w, uv_fs_t, work_req); - retry_on_eintr = !(req->fs_type == UV_FS_CLOSE); - - do { - errno = 0; - -#define X(type, action) \ - case UV_FS_ ## type: \ - r = action; \ - break; - - switch (req->fs_type) { - X(ACCESS, access(req->path, req->flags)); - X(CHMOD, chmod(req->path, req->mode)); - X(CHOWN, chown(req->path, req->uid, req->gid)); - X(CLOSE, close(req->file)); - X(FCHMOD, fchmod(req->file, req->mode)); - X(FCHOWN, fchown(req->file, req->uid, req->gid)); - X(FDATASYNC, uv__fs_fdatasync(req)); - X(FSTAT, uv__fs_fstat(req->file, &req->statbuf)); - X(FSYNC, fsync(req->file)); - X(FTRUNCATE, ftruncate(req->file, req->off)); - X(FUTIME, uv__fs_futime(req)); - X(LSTAT, uv__fs_lstat(req->path, &req->statbuf)); - X(LINK, link(req->path, req->new_path)); - X(MKDIR, mkdir(req->path, req->mode)); - X(MKDTEMP, uv__fs_mkdtemp(req)); - X(OPEN, uv__fs_open(req)); - X(READ, uv__fs_buf_iter(req, uv__fs_read)); - X(SCANDIR, uv__fs_scandir(req)); - X(READLINK, uv__fs_readlink(req)); - X(REALPATH, uv__fs_realpath(req)); - X(RENAME, rename(req->path, req->new_path)); - X(RMDIR, rmdir(req->path)); - X(SENDFILE, uv__fs_sendfile(req)); - X(STAT, uv__fs_stat(req->path, &req->statbuf)); - X(SYMLINK, symlink(req->path, req->new_path)); - X(UNLINK, unlink(req->path)); - X(UTIME, uv__fs_utime(req)); - X(WRITE, uv__fs_buf_iter(req, uv__fs_write)); - default: abort(); - } -#undef X - } while (r == -1 && errno == EINTR && retry_on_eintr); - - if (r == -1) - req->result = -errno; - else - req->result = r; - - if (r == 0 && (req->fs_type == UV_FS_STAT || - req->fs_type == UV_FS_FSTAT || - req->fs_type == UV_FS_LSTAT)) { - req->ptr = &req->statbuf; - } -} - - -static void uv__fs_done(struct uv__work* w, int status) { - uv_fs_t* req; - - req = container_of(w, uv_fs_t, work_req); - uv__req_unregister(req->loop, req); - - if (status == -ECANCELED) { - assert(req->result == 0); - req->result = -ECANCELED; - } - - req->cb(req); -} - - -int uv_fs_access(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - int flags, - uv_fs_cb cb) { - INIT(ACCESS); - PATH; - req->flags = flags; - POST; -} - - -int uv_fs_chmod(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - int mode, - uv_fs_cb cb) { - INIT(CHMOD); - PATH; - req->mode = mode; - POST; -} - - -int uv_fs_chown(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - uv_uid_t uid, - uv_gid_t gid, - uv_fs_cb cb) { - INIT(CHOWN); - PATH; - req->uid = uid; - req->gid = gid; - POST; -} - - -int uv_fs_close(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) { - INIT(CLOSE); - req->file = file; - POST; -} - - -int uv_fs_fchmod(uv_loop_t* loop, - uv_fs_t* req, - uv_file file, - int mode, - uv_fs_cb cb) { - INIT(FCHMOD); - req->file = file; - req->mode = mode; - POST; -} - - -int uv_fs_fchown(uv_loop_t* loop, - uv_fs_t* req, - uv_file file, - uv_uid_t uid, - uv_gid_t gid, - uv_fs_cb cb) { - INIT(FCHOWN); - req->file = file; - req->uid = uid; - req->gid = gid; - POST; -} - - -int uv_fs_fdatasync(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) { - INIT(FDATASYNC); - req->file = file; - POST; -} - - -int uv_fs_fstat(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) { - INIT(FSTAT); - req->file = file; - POST; -} - - -int uv_fs_fsync(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) { - INIT(FSYNC); - req->file = file; - POST; -} - - -int uv_fs_ftruncate(uv_loop_t* loop, - uv_fs_t* req, - uv_file file, - int64_t off, - uv_fs_cb cb) { - INIT(FTRUNCATE); - req->file = file; - req->off = off; - POST; -} - - -int uv_fs_futime(uv_loop_t* loop, - uv_fs_t* req, - uv_file file, - double atime, - double mtime, - uv_fs_cb cb) { - INIT(FUTIME); - req->file = file; - req->atime = atime; - req->mtime = mtime; - POST; -} - - -int uv_fs_lstat(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) { - INIT(LSTAT); - PATH; - POST; -} - - -int uv_fs_link(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - const char* new_path, - uv_fs_cb cb) { - INIT(LINK); - PATH2; - POST; -} - - -int uv_fs_mkdir(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - int mode, - uv_fs_cb cb) { - INIT(MKDIR); - PATH; - req->mode = mode; - POST; -} - - -int uv_fs_mkdtemp(uv_loop_t* loop, - uv_fs_t* req, - const char* tpl, - uv_fs_cb cb) { - INIT(MKDTEMP); - req->path = uv__strdup(tpl); - if (req->path == NULL) { - if (cb != NULL) - uv__req_unregister(loop, req); - return -ENOMEM; - } - POST; -} - - -int uv_fs_open(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - int flags, - int mode, - uv_fs_cb cb) { - INIT(OPEN); - PATH; - req->flags = flags; - req->mode = mode; - POST; -} - - -int uv_fs_read(uv_loop_t* loop, uv_fs_t* req, - uv_file file, - const uv_buf_t bufs[], - unsigned int nbufs, - int64_t off, - uv_fs_cb cb) { - if (bufs == NULL || nbufs == 0) - return -EINVAL; - - INIT(READ); - req->file = file; - - req->nbufs = nbufs; - req->bufs = req->bufsml; - if (nbufs > ARRAY_SIZE(req->bufsml)) - req->bufs = uv__malloc(nbufs * sizeof(*bufs)); - - if (req->bufs == NULL) { - if (cb != NULL) - uv__req_unregister(loop, req); - return -ENOMEM; - } - - memcpy(req->bufs, bufs, nbufs * sizeof(*bufs)); - - req->off = off; - POST; -} - - -int uv_fs_scandir(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - int flags, - uv_fs_cb cb) { - INIT(SCANDIR); - PATH; - req->flags = flags; - POST; -} - - -int uv_fs_readlink(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - uv_fs_cb cb) { - INIT(READLINK); - PATH; - POST; -} - - -int uv_fs_realpath(uv_loop_t* loop, - uv_fs_t* req, - const char * path, - uv_fs_cb cb) { - INIT(REALPATH); - PATH; - POST; -} - - -int uv_fs_rename(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - const char* new_path, - uv_fs_cb cb) { - INIT(RENAME); - PATH2; - POST; -} - - -int uv_fs_rmdir(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) { - INIT(RMDIR); - PATH; - POST; -} - - -int uv_fs_sendfile(uv_loop_t* loop, - uv_fs_t* req, - uv_file out_fd, - uv_file in_fd, - int64_t off, - size_t len, - uv_fs_cb cb) { - INIT(SENDFILE); - req->flags = in_fd; /* hack */ - req->file = out_fd; - req->off = off; - req->bufsml[0].len = len; - POST; -} - - -int uv_fs_stat(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) { - INIT(STAT); - PATH; - POST; -} - - -int uv_fs_symlink(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - const char* new_path, - int flags, - uv_fs_cb cb) { - INIT(SYMLINK); - PATH2; - req->flags = flags; - POST; -} - - -int uv_fs_unlink(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) { - INIT(UNLINK); - PATH; - POST; -} - - -int uv_fs_utime(uv_loop_t* loop, - uv_fs_t* req, - const char* path, - double atime, - double mtime, - uv_fs_cb cb) { - INIT(UTIME); - PATH; - req->atime = atime; - req->mtime = mtime; - POST; -} - - -int uv_fs_write(uv_loop_t* loop, - uv_fs_t* req, - uv_file file, - const uv_buf_t bufs[], - unsigned int nbufs, - int64_t off, - uv_fs_cb cb) { - if (bufs == NULL || nbufs == 0) - return -EINVAL; - - INIT(WRITE); - req->file = file; - - req->nbufs = nbufs; - req->bufs = req->bufsml; - if (nbufs > ARRAY_SIZE(req->bufsml)) - req->bufs = uv__malloc(nbufs * sizeof(*bufs)); - - if (req->bufs == NULL) { - if (cb != NULL) - uv__req_unregister(loop, req); - return -ENOMEM; - } - - memcpy(req->bufs, bufs, nbufs * sizeof(*bufs)); - - req->off = off; - POST; -} - - -void uv_fs_req_cleanup(uv_fs_t* req) { - /* Only necessary for asychronous requests, i.e., requests with a callback. - * Synchronous ones don't copy their arguments and have req->path and - * req->new_path pointing to user-owned memory. UV_FS_MKDTEMP is the - * exception to the rule, it always allocates memory. - */ - if (req->path != NULL && (req->cb != NULL || req->fs_type == UV_FS_MKDTEMP)) - uv__free((void*) req->path); /* Memory is shared with req->new_path. */ - - req->path = NULL; - req->new_path = NULL; - - if (req->fs_type == UV_FS_SCANDIR && req->ptr != NULL) - uv__fs_scandir_cleanup(req); - - if (req->ptr != &req->statbuf) - uv__free(req->ptr); - req->ptr = NULL; -} diff --git a/3rdparty/libuv/src/unix/fsevents.c b/3rdparty/libuv/src/unix/fsevents.c deleted file mode 100644 index d331a131726..00000000000 --- a/3rdparty/libuv/src/unix/fsevents.c +++ /dev/null @@ -1,904 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#if TARGET_OS_IPHONE - -/* iOS (currently) doesn't provide the FSEvents-API (nor CoreServices) */ - -int uv__fsevents_init(uv_fs_event_t* handle) { - return 0; -} - - -int uv__fsevents_close(uv_fs_event_t* handle) { - return 0; -} - - -void uv__fsevents_loop_delete(uv_loop_t* loop) { -} - -#else /* TARGET_OS_IPHONE */ - -#include <dlfcn.h> -#include <assert.h> -#include <stdlib.h> -#include <pthread.h> - -#include <CoreFoundation/CFRunLoop.h> -#include <CoreServices/CoreServices.h> - -/* These are macros to avoid "initializer element is not constant" errors - * with old versions of gcc. - */ -#define kFSEventsModified (kFSEventStreamEventFlagItemFinderInfoMod | \ - kFSEventStreamEventFlagItemModified | \ - kFSEventStreamEventFlagItemInodeMetaMod | \ - kFSEventStreamEventFlagItemChangeOwner | \ - kFSEventStreamEventFlagItemXattrMod) - -#define kFSEventsRenamed (kFSEventStreamEventFlagItemCreated | \ - kFSEventStreamEventFlagItemRemoved | \ - kFSEventStreamEventFlagItemRenamed) - -#define kFSEventsSystem (kFSEventStreamEventFlagUserDropped | \ - kFSEventStreamEventFlagKernelDropped | \ - kFSEventStreamEventFlagEventIdsWrapped | \ - kFSEventStreamEventFlagHistoryDone | \ - kFSEventStreamEventFlagMount | \ - kFSEventStreamEventFlagUnmount | \ - kFSEventStreamEventFlagRootChanged) - -typedef struct uv__fsevents_event_s uv__fsevents_event_t; -typedef struct uv__cf_loop_signal_s uv__cf_loop_signal_t; -typedef struct uv__cf_loop_state_s uv__cf_loop_state_t; - -enum uv__cf_loop_signal_type_e { - kUVCFLoopSignalRegular, - kUVCFLoopSignalClosing -}; -typedef enum uv__cf_loop_signal_type_e uv__cf_loop_signal_type_t; - -struct uv__cf_loop_signal_s { - QUEUE member; - uv_fs_event_t* handle; - uv__cf_loop_signal_type_t type; -}; - -struct uv__fsevents_event_s { - QUEUE member; - int events; - char path[1]; -}; - -struct uv__cf_loop_state_s { - CFRunLoopRef loop; - CFRunLoopSourceRef signal_source; - int fsevent_need_reschedule; - FSEventStreamRef fsevent_stream; - uv_sem_t fsevent_sem; - uv_mutex_t fsevent_mutex; - void* fsevent_handles[2]; - unsigned int fsevent_handle_count; -}; - -/* Forward declarations */ -static void uv__cf_loop_cb(void* arg); -static void* uv__cf_loop_runner(void* arg); -static int uv__cf_loop_signal(uv_loop_t* loop, - uv_fs_event_t* handle, - uv__cf_loop_signal_type_t type); - -/* Lazy-loaded by uv__fsevents_global_init(). */ -static CFArrayRef (*pCFArrayCreate)(CFAllocatorRef, - const void**, - CFIndex, - const CFArrayCallBacks*); -static void (*pCFRelease)(CFTypeRef); -static void (*pCFRunLoopAddSource)(CFRunLoopRef, - CFRunLoopSourceRef, - CFStringRef); -static CFRunLoopRef (*pCFRunLoopGetCurrent)(void); -static void (*pCFRunLoopRemoveSource)(CFRunLoopRef, - CFRunLoopSourceRef, - CFStringRef); -static void (*pCFRunLoopRun)(void); -static CFRunLoopSourceRef (*pCFRunLoopSourceCreate)(CFAllocatorRef, - CFIndex, - CFRunLoopSourceContext*); -static void (*pCFRunLoopSourceSignal)(CFRunLoopSourceRef); -static void (*pCFRunLoopStop)(CFRunLoopRef); -static void (*pCFRunLoopWakeUp)(CFRunLoopRef); -static CFStringRef (*pCFStringCreateWithFileSystemRepresentation)( - CFAllocatorRef, - const char*); -static CFStringEncoding (*pCFStringGetSystemEncoding)(void); -static CFStringRef (*pkCFRunLoopDefaultMode); -static FSEventStreamRef (*pFSEventStreamCreate)(CFAllocatorRef, - FSEventStreamCallback, - FSEventStreamContext*, - CFArrayRef, - FSEventStreamEventId, - CFTimeInterval, - FSEventStreamCreateFlags); -static void (*pFSEventStreamFlushSync)(FSEventStreamRef); -static void (*pFSEventStreamInvalidate)(FSEventStreamRef); -static void (*pFSEventStreamRelease)(FSEventStreamRef); -static void (*pFSEventStreamScheduleWithRunLoop)(FSEventStreamRef, - CFRunLoopRef, - CFStringRef); -static Boolean (*pFSEventStreamStart)(FSEventStreamRef); -static void (*pFSEventStreamStop)(FSEventStreamRef); - -#define UV__FSEVENTS_PROCESS(handle, block) \ - do { \ - QUEUE events; \ - QUEUE* q; \ - uv__fsevents_event_t* event; \ - int err; \ - uv_mutex_lock(&(handle)->cf_mutex); \ - /* Split-off all events and empty original queue */ \ - QUEUE_MOVE(&(handle)->cf_events, &events); \ - /* Get error (if any) and zero original one */ \ - err = (handle)->cf_error; \ - (handle)->cf_error = 0; \ - uv_mutex_unlock(&(handle)->cf_mutex); \ - /* Loop through events, deallocating each after processing */ \ - while (!QUEUE_EMPTY(&events)) { \ - q = QUEUE_HEAD(&events); \ - event = QUEUE_DATA(q, uv__fsevents_event_t, member); \ - QUEUE_REMOVE(q); \ - /* NOTE: Checking uv__is_active() is required here, because handle \ - * callback may close handle and invoking it after it will lead to \ - * incorrect behaviour */ \ - if (!uv__is_closing((handle)) && uv__is_active((handle))) \ - block \ - /* Free allocated data */ \ - uv__free(event); \ - } \ - if (err != 0 && !uv__is_closing((handle)) && uv__is_active((handle))) \ - (handle)->cb((handle), NULL, 0, err); \ - } while (0) - - -/* Runs in UV loop's thread, when there're events to report to handle */ -static void uv__fsevents_cb(uv_async_t* cb) { - uv_fs_event_t* handle; - - handle = cb->data; - - UV__FSEVENTS_PROCESS(handle, { - handle->cb(handle, event->path[0] ? event->path : NULL, event->events, 0); - }); -} - - -/* Runs in CF thread, pushed event into handle's event list */ -static void uv__fsevents_push_event(uv_fs_event_t* handle, - QUEUE* events, - int err) { - assert(events != NULL || err != 0); - uv_mutex_lock(&handle->cf_mutex); - - /* Concatenate two queues */ - if (events != NULL) - QUEUE_ADD(&handle->cf_events, events); - - /* Propagate error */ - if (err != 0) - handle->cf_error = err; - uv_mutex_unlock(&handle->cf_mutex); - - uv_async_send(handle->cf_cb); -} - - -/* Runs in CF thread, when there're events in FSEventStream */ -static void uv__fsevents_event_cb(ConstFSEventStreamRef streamRef, - void* info, - size_t numEvents, - void* eventPaths, - const FSEventStreamEventFlags eventFlags[], - const FSEventStreamEventId eventIds[]) { - size_t i; - int len; - char** paths; - char* path; - char* pos; - uv_fs_event_t* handle; - QUEUE* q; - uv_loop_t* loop; - uv__cf_loop_state_t* state; - uv__fsevents_event_t* event; - QUEUE head; - - loop = info; - state = loop->cf_state; - assert(state != NULL); - paths = eventPaths; - - /* For each handle */ - uv_mutex_lock(&state->fsevent_mutex); - QUEUE_FOREACH(q, &state->fsevent_handles) { - handle = QUEUE_DATA(q, uv_fs_event_t, cf_member); - QUEUE_INIT(&head); - - /* Process and filter out events */ - for (i = 0; i < numEvents; i++) { - /* Ignore system events */ - if (eventFlags[i] & kFSEventsSystem) - continue; - - path = paths[i]; - len = strlen(path); - - /* Filter out paths that are outside handle's request */ - if (strncmp(path, handle->realpath, handle->realpath_len) != 0) - continue; - - if (handle->realpath_len > 1 || *handle->realpath != '/') { - path += handle->realpath_len; - len -= handle->realpath_len; - - /* Skip forward slash */ - if (*path != '\0') { - path++; - len--; - } - } - -#ifdef MAC_OS_X_VERSION_10_7 - /* Ignore events with path equal to directory itself */ - if (len == 0) - continue; -#endif /* MAC_OS_X_VERSION_10_7 */ - - /* Do not emit events from subdirectories (without option set) */ - if ((handle->cf_flags & UV_FS_EVENT_RECURSIVE) == 0 && *path != 0) { - pos = strchr(path + 1, '/'); - if (pos != NULL) - continue; - } - -#ifndef MAC_OS_X_VERSION_10_7 - path = ""; - len = 0; -#endif /* MAC_OS_X_VERSION_10_7 */ - - event = uv__malloc(sizeof(*event) + len); - if (event == NULL) - break; - - memset(event, 0, sizeof(*event)); - memcpy(event->path, path, len + 1); - - if ((eventFlags[i] & kFSEventsModified) != 0 && - (eventFlags[i] & kFSEventsRenamed) == 0) - event->events = UV_CHANGE; - else - event->events = UV_RENAME; - - QUEUE_INSERT_TAIL(&head, &event->member); - } - - if (!QUEUE_EMPTY(&head)) - uv__fsevents_push_event(handle, &head, 0); - } - uv_mutex_unlock(&state->fsevent_mutex); -} - - -/* Runs in CF thread */ -static int uv__fsevents_create_stream(uv_loop_t* loop, CFArrayRef paths) { - uv__cf_loop_state_t* state; - FSEventStreamContext ctx; - FSEventStreamRef ref; - CFAbsoluteTime latency; - FSEventStreamCreateFlags flags; - - /* Initialize context */ - ctx.version = 0; - ctx.info = loop; - ctx.retain = NULL; - ctx.release = NULL; - ctx.copyDescription = NULL; - - latency = 0.05; - - /* Explanation of selected flags: - * 1. NoDefer - without this flag, events that are happening continuously - * (i.e. each event is happening after time interval less than `latency`, - * counted from previous event), will be deferred and passed to callback - * once they'll either fill whole OS buffer, or when this continuous stream - * will stop (i.e. there'll be delay between events, bigger than - * `latency`). - * Specifying this flag will invoke callback after `latency` time passed - * since event. - * 2. FileEvents - fire callback for file changes too (by default it is firing - * it only for directory changes). - */ - flags = kFSEventStreamCreateFlagNoDefer | kFSEventStreamCreateFlagFileEvents; - - /* - * NOTE: It might sound like a good idea to remember last seen StreamEventId, - * but in reality one dir might have last StreamEventId less than, the other, - * that is being watched now. Which will cause FSEventStream API to report - * changes to files from the past. - */ - ref = pFSEventStreamCreate(NULL, - &uv__fsevents_event_cb, - &ctx, - paths, - kFSEventStreamEventIdSinceNow, - latency, - flags); - assert(ref != NULL); - - state = loop->cf_state; - pFSEventStreamScheduleWithRunLoop(ref, - state->loop, - *pkCFRunLoopDefaultMode); - if (!pFSEventStreamStart(ref)) { - pFSEventStreamInvalidate(ref); - pFSEventStreamRelease(ref); - return -EMFILE; - } - - state->fsevent_stream = ref; - return 0; -} - - -/* Runs in CF thread */ -static void uv__fsevents_destroy_stream(uv_loop_t* loop) { - uv__cf_loop_state_t* state; - - state = loop->cf_state; - - if (state->fsevent_stream == NULL) - return; - - /* Flush all accumulated events */ - pFSEventStreamFlushSync(state->fsevent_stream); - - /* Stop emitting events */ - pFSEventStreamStop(state->fsevent_stream); - - /* Release stream */ - pFSEventStreamInvalidate(state->fsevent_stream); - pFSEventStreamRelease(state->fsevent_stream); - state->fsevent_stream = NULL; -} - - -/* Runs in CF thread, when there're new fsevent handles to add to stream */ -static void uv__fsevents_reschedule(uv_fs_event_t* handle, - uv__cf_loop_signal_type_t type) { - uv__cf_loop_state_t* state; - QUEUE* q; - uv_fs_event_t* curr; - CFArrayRef cf_paths; - CFStringRef* paths; - unsigned int i; - int err; - unsigned int path_count; - - state = handle->loop->cf_state; - paths = NULL; - cf_paths = NULL; - err = 0; - /* NOTE: `i` is used in deallocation loop below */ - i = 0; - - /* Optimization to prevent O(n^2) time spent when starting to watch - * many files simultaneously - */ - uv_mutex_lock(&state->fsevent_mutex); - if (state->fsevent_need_reschedule == 0) { - uv_mutex_unlock(&state->fsevent_mutex); - goto final; - } - state->fsevent_need_reschedule = 0; - uv_mutex_unlock(&state->fsevent_mutex); - - /* Destroy previous FSEventStream */ - uv__fsevents_destroy_stream(handle->loop); - - /* Any failure below will be a memory failure */ - err = -ENOMEM; - - /* Create list of all watched paths */ - uv_mutex_lock(&state->fsevent_mutex); - path_count = state->fsevent_handle_count; - if (path_count != 0) { - paths = uv__malloc(sizeof(*paths) * path_count); - if (paths == NULL) { - uv_mutex_unlock(&state->fsevent_mutex); - goto final; - } - - q = &state->fsevent_handles; - for (; i < path_count; i++) { - q = QUEUE_NEXT(q); - assert(q != &state->fsevent_handles); - curr = QUEUE_DATA(q, uv_fs_event_t, cf_member); - - assert(curr->realpath != NULL); - paths[i] = - pCFStringCreateWithFileSystemRepresentation(NULL, curr->realpath); - if (paths[i] == NULL) { - uv_mutex_unlock(&state->fsevent_mutex); - goto final; - } - } - } - uv_mutex_unlock(&state->fsevent_mutex); - err = 0; - - if (path_count != 0) { - /* Create new FSEventStream */ - cf_paths = pCFArrayCreate(NULL, (const void**) paths, path_count, NULL); - if (cf_paths == NULL) { - err = -ENOMEM; - goto final; - } - err = uv__fsevents_create_stream(handle->loop, cf_paths); - } - -final: - /* Deallocate all paths in case of failure */ - if (err != 0) { - if (cf_paths == NULL) { - while (i != 0) - pCFRelease(paths[--i]); - uv__free(paths); - } else { - /* CFArray takes ownership of both strings and original C-array */ - pCFRelease(cf_paths); - } - - /* Broadcast error to all handles */ - uv_mutex_lock(&state->fsevent_mutex); - QUEUE_FOREACH(q, &state->fsevent_handles) { - curr = QUEUE_DATA(q, uv_fs_event_t, cf_member); - uv__fsevents_push_event(curr, NULL, err); - } - uv_mutex_unlock(&state->fsevent_mutex); - } - - /* - * Main thread will block until the removal of handle from the list, - * we must tell it when we're ready. - * - * NOTE: This is coupled with `uv_sem_wait()` in `uv__fsevents_close` - */ - if (type == kUVCFLoopSignalClosing) - uv_sem_post(&state->fsevent_sem); -} - - -static int uv__fsevents_global_init(void) { - static pthread_mutex_t global_init_mutex = PTHREAD_MUTEX_INITIALIZER; - static void* core_foundation_handle; - static void* core_services_handle; - int err; - - err = 0; - pthread_mutex_lock(&global_init_mutex); - if (core_foundation_handle != NULL) - goto out; - - /* The libraries are never unloaded because we currently don't have a good - * mechanism for keeping a reference count. It's unlikely to be an issue - * but if it ever becomes one, we can turn the dynamic library handles into - * per-event loop properties and have the dynamic linker keep track for us. - */ - err = -ENOSYS; - core_foundation_handle = dlopen("/System/Library/Frameworks/" - "CoreFoundation.framework/" - "Versions/A/CoreFoundation", - RTLD_LAZY | RTLD_LOCAL); - if (core_foundation_handle == NULL) - goto out; - - core_services_handle = dlopen("/System/Library/Frameworks/" - "CoreServices.framework/" - "Versions/A/CoreServices", - RTLD_LAZY | RTLD_LOCAL); - if (core_services_handle == NULL) - goto out; - - err = -ENOENT; -#define V(handle, symbol) \ - do { \ - *(void **)(&p ## symbol) = dlsym((handle), #symbol); \ - if (p ## symbol == NULL) \ - goto out; \ - } \ - while (0) - V(core_foundation_handle, CFArrayCreate); - V(core_foundation_handle, CFRelease); - V(core_foundation_handle, CFRunLoopAddSource); - V(core_foundation_handle, CFRunLoopGetCurrent); - V(core_foundation_handle, CFRunLoopRemoveSource); - V(core_foundation_handle, CFRunLoopRun); - V(core_foundation_handle, CFRunLoopSourceCreate); - V(core_foundation_handle, CFRunLoopSourceSignal); - V(core_foundation_handle, CFRunLoopStop); - V(core_foundation_handle, CFRunLoopWakeUp); - V(core_foundation_handle, CFStringCreateWithFileSystemRepresentation); - V(core_foundation_handle, CFStringGetSystemEncoding); - V(core_foundation_handle, kCFRunLoopDefaultMode); - V(core_services_handle, FSEventStreamCreate); - V(core_services_handle, FSEventStreamFlushSync); - V(core_services_handle, FSEventStreamInvalidate); - V(core_services_handle, FSEventStreamRelease); - V(core_services_handle, FSEventStreamScheduleWithRunLoop); - V(core_services_handle, FSEventStreamStart); - V(core_services_handle, FSEventStreamStop); -#undef V - err = 0; - -out: - if (err && core_services_handle != NULL) { - dlclose(core_services_handle); - core_services_handle = NULL; - } - - if (err && core_foundation_handle != NULL) { - dlclose(core_foundation_handle); - core_foundation_handle = NULL; - } - - pthread_mutex_unlock(&global_init_mutex); - return err; -} - - -/* Runs in UV loop */ -static int uv__fsevents_loop_init(uv_loop_t* loop) { - CFRunLoopSourceContext ctx; - uv__cf_loop_state_t* state; - pthread_attr_t attr_storage; - pthread_attr_t* attr; - int err; - - if (loop->cf_state != NULL) - return 0; - - err = uv__fsevents_global_init(); - if (err) - return err; - - state = uv__calloc(1, sizeof(*state)); - if (state == NULL) - return -ENOMEM; - - err = uv_mutex_init(&loop->cf_mutex); - if (err) - goto fail_mutex_init; - - err = uv_sem_init(&loop->cf_sem, 0); - if (err) - goto fail_sem_init; - - QUEUE_INIT(&loop->cf_signals); - - err = uv_sem_init(&state->fsevent_sem, 0); - if (err) - goto fail_fsevent_sem_init; - - err = uv_mutex_init(&state->fsevent_mutex); - if (err) - goto fail_fsevent_mutex_init; - - QUEUE_INIT(&state->fsevent_handles); - state->fsevent_need_reschedule = 0; - state->fsevent_handle_count = 0; - - memset(&ctx, 0, sizeof(ctx)); - ctx.info = loop; - ctx.perform = uv__cf_loop_cb; - state->signal_source = pCFRunLoopSourceCreate(NULL, 0, &ctx); - if (state->signal_source == NULL) { - err = -ENOMEM; - goto fail_signal_source_create; - } - - /* In the unlikely event that pthread_attr_init() fails, create the thread - * with the default stack size. We'll use a little more address space but - * that in itself is not a fatal error. - */ - attr = &attr_storage; - if (pthread_attr_init(attr)) - attr = NULL; - - if (attr != NULL) - if (pthread_attr_setstacksize(attr, 4 * PTHREAD_STACK_MIN)) - abort(); - - loop->cf_state = state; - - /* uv_thread_t is an alias for pthread_t. */ - err = -pthread_create(&loop->cf_thread, attr, uv__cf_loop_runner, loop); - - if (attr != NULL) - pthread_attr_destroy(attr); - - if (err) - goto fail_thread_create; - - /* Synchronize threads */ - uv_sem_wait(&loop->cf_sem); - return 0; - -fail_thread_create: - loop->cf_state = NULL; - -fail_signal_source_create: - uv_mutex_destroy(&state->fsevent_mutex); - -fail_fsevent_mutex_init: - uv_sem_destroy(&state->fsevent_sem); - -fail_fsevent_sem_init: - uv_sem_destroy(&loop->cf_sem); - -fail_sem_init: - uv_mutex_destroy(&loop->cf_mutex); - -fail_mutex_init: - uv__free(state); - return err; -} - - -/* Runs in UV loop */ -void uv__fsevents_loop_delete(uv_loop_t* loop) { - uv__cf_loop_signal_t* s; - uv__cf_loop_state_t* state; - QUEUE* q; - - if (loop->cf_state == NULL) - return; - - if (uv__cf_loop_signal(loop, NULL, kUVCFLoopSignalRegular) != 0) - abort(); - - uv_thread_join(&loop->cf_thread); - uv_sem_destroy(&loop->cf_sem); - uv_mutex_destroy(&loop->cf_mutex); - - /* Free any remaining data */ - while (!QUEUE_EMPTY(&loop->cf_signals)) { - q = QUEUE_HEAD(&loop->cf_signals); - s = QUEUE_DATA(q, uv__cf_loop_signal_t, member); - QUEUE_REMOVE(q); - uv__free(s); - } - - /* Destroy state */ - state = loop->cf_state; - uv_sem_destroy(&state->fsevent_sem); - uv_mutex_destroy(&state->fsevent_mutex); - pCFRelease(state->signal_source); - uv__free(state); - loop->cf_state = NULL; -} - - -/* Runs in CF thread. This is the CF loop's body */ -static void* uv__cf_loop_runner(void* arg) { - uv_loop_t* loop; - uv__cf_loop_state_t* state; - - loop = arg; - state = loop->cf_state; - state->loop = pCFRunLoopGetCurrent(); - - pCFRunLoopAddSource(state->loop, - state->signal_source, - *pkCFRunLoopDefaultMode); - - uv_sem_post(&loop->cf_sem); - - pCFRunLoopRun(); - pCFRunLoopRemoveSource(state->loop, - state->signal_source, - *pkCFRunLoopDefaultMode); - - return NULL; -} - - -/* Runs in CF thread, executed after `uv__cf_loop_signal()` */ -static void uv__cf_loop_cb(void* arg) { - uv_loop_t* loop; - uv__cf_loop_state_t* state; - QUEUE* item; - QUEUE split_head; - uv__cf_loop_signal_t* s; - - loop = arg; - state = loop->cf_state; - - uv_mutex_lock(&loop->cf_mutex); - QUEUE_MOVE(&loop->cf_signals, &split_head); - uv_mutex_unlock(&loop->cf_mutex); - - while (!QUEUE_EMPTY(&split_head)) { - item = QUEUE_HEAD(&split_head); - QUEUE_REMOVE(item); - - s = QUEUE_DATA(item, uv__cf_loop_signal_t, member); - - /* This was a termination signal */ - if (s->handle == NULL) - pCFRunLoopStop(state->loop); - else - uv__fsevents_reschedule(s->handle, s->type); - - uv__free(s); - } -} - - -/* Runs in UV loop to notify CF thread */ -int uv__cf_loop_signal(uv_loop_t* loop, - uv_fs_event_t* handle, - uv__cf_loop_signal_type_t type) { - uv__cf_loop_signal_t* item; - uv__cf_loop_state_t* state; - - item = uv__malloc(sizeof(*item)); - if (item == NULL) - return -ENOMEM; - - item->handle = handle; - item->type = type; - - uv_mutex_lock(&loop->cf_mutex); - QUEUE_INSERT_TAIL(&loop->cf_signals, &item->member); - uv_mutex_unlock(&loop->cf_mutex); - - state = loop->cf_state; - assert(state != NULL); - pCFRunLoopSourceSignal(state->signal_source); - pCFRunLoopWakeUp(state->loop); - - return 0; -} - - -/* Runs in UV loop to initialize handle */ -int uv__fsevents_init(uv_fs_event_t* handle) { - int err; - uv__cf_loop_state_t* state; - - err = uv__fsevents_loop_init(handle->loop); - if (err) - return err; - - /* Get absolute path to file */ - handle->realpath = realpath(handle->path, NULL); - if (handle->realpath == NULL) - return -errno; - handle->realpath_len = strlen(handle->realpath); - - /* Initialize event queue */ - QUEUE_INIT(&handle->cf_events); - handle->cf_error = 0; - - /* - * Events will occur in other thread. - * Initialize callback for getting them back into event loop's thread - */ - handle->cf_cb = uv__malloc(sizeof(*handle->cf_cb)); - if (handle->cf_cb == NULL) { - err = -ENOMEM; - goto fail_cf_cb_malloc; - } - - handle->cf_cb->data = handle; - uv_async_init(handle->loop, handle->cf_cb, uv__fsevents_cb); - handle->cf_cb->flags |= UV__HANDLE_INTERNAL; - uv_unref((uv_handle_t*) handle->cf_cb); - - err = uv_mutex_init(&handle->cf_mutex); - if (err) - goto fail_cf_mutex_init; - - /* Insert handle into the list */ - state = handle->loop->cf_state; - uv_mutex_lock(&state->fsevent_mutex); - QUEUE_INSERT_TAIL(&state->fsevent_handles, &handle->cf_member); - state->fsevent_handle_count++; - state->fsevent_need_reschedule = 1; - uv_mutex_unlock(&state->fsevent_mutex); - - /* Reschedule FSEventStream */ - assert(handle != NULL); - err = uv__cf_loop_signal(handle->loop, handle, kUVCFLoopSignalRegular); - if (err) - goto fail_loop_signal; - - return 0; - -fail_loop_signal: - uv_mutex_destroy(&handle->cf_mutex); - -fail_cf_mutex_init: - uv__free(handle->cf_cb); - handle->cf_cb = NULL; - -fail_cf_cb_malloc: - uv__free(handle->realpath); - handle->realpath = NULL; - handle->realpath_len = 0; - - return err; -} - - -/* Runs in UV loop to de-initialize handle */ -int uv__fsevents_close(uv_fs_event_t* handle) { - int err; - uv__cf_loop_state_t* state; - - if (handle->cf_cb == NULL) - return -EINVAL; - - /* Remove handle from the list */ - state = handle->loop->cf_state; - uv_mutex_lock(&state->fsevent_mutex); - QUEUE_REMOVE(&handle->cf_member); - state->fsevent_handle_count--; - state->fsevent_need_reschedule = 1; - uv_mutex_unlock(&state->fsevent_mutex); - - /* Reschedule FSEventStream */ - assert(handle != NULL); - err = uv__cf_loop_signal(handle->loop, handle, kUVCFLoopSignalClosing); - if (err) - return -err; - - /* Wait for deinitialization */ - uv_sem_wait(&state->fsevent_sem); - - uv_close((uv_handle_t*) handle->cf_cb, (uv_close_cb) uv__free); - handle->cf_cb = NULL; - - /* Free data in queue */ - UV__FSEVENTS_PROCESS(handle, { - /* NOP */ - }); - - uv_mutex_destroy(&handle->cf_mutex); - uv__free(handle->realpath); - handle->realpath = NULL; - handle->realpath_len = 0; - - return 0; -} - -#endif /* TARGET_OS_IPHONE */ diff --git a/3rdparty/libuv/src/unix/getaddrinfo.c b/3rdparty/libuv/src/unix/getaddrinfo.c deleted file mode 100644 index 2049aea2f38..00000000000 --- a/3rdparty/libuv/src/unix/getaddrinfo.c +++ /dev/null @@ -1,202 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -/* Expose glibc-specific EAI_* error codes. Needs to be defined before we - * include any headers. - */ -#ifndef _GNU_SOURCE -# define _GNU_SOURCE -#endif - -#include "uv.h" -#include "internal.h" - -#include <errno.h> -#include <stddef.h> /* NULL */ -#include <stdlib.h> -#include <string.h> - -/* EAI_* constants. */ -#include <netdb.h> - - -int uv__getaddrinfo_translate_error(int sys_err) { - switch (sys_err) { - case 0: return 0; -#if defined(EAI_ADDRFAMILY) - case EAI_ADDRFAMILY: return UV_EAI_ADDRFAMILY; -#endif -#if defined(EAI_AGAIN) - case EAI_AGAIN: return UV_EAI_AGAIN; -#endif -#if defined(EAI_BADFLAGS) - case EAI_BADFLAGS: return UV_EAI_BADFLAGS; -#endif -#if defined(EAI_BADHINTS) - case EAI_BADHINTS: return UV_EAI_BADHINTS; -#endif -#if defined(EAI_CANCELED) - case EAI_CANCELED: return UV_EAI_CANCELED; -#endif -#if defined(EAI_FAIL) - case EAI_FAIL: return UV_EAI_FAIL; -#endif -#if defined(EAI_FAMILY) - case EAI_FAMILY: return UV_EAI_FAMILY; -#endif -#if defined(EAI_MEMORY) - case EAI_MEMORY: return UV_EAI_MEMORY; -#endif -#if defined(EAI_NODATA) - case EAI_NODATA: return UV_EAI_NODATA; -#endif -#if defined(EAI_NONAME) -# if !defined(EAI_NODATA) || EAI_NODATA != EAI_NONAME - case EAI_NONAME: return UV_EAI_NONAME; -# endif -#endif -#if defined(EAI_OVERFLOW) - case EAI_OVERFLOW: return UV_EAI_OVERFLOW; -#endif -#if defined(EAI_PROTOCOL) - case EAI_PROTOCOL: return UV_EAI_PROTOCOL; -#endif -#if defined(EAI_SERVICE) - case EAI_SERVICE: return UV_EAI_SERVICE; -#endif -#if defined(EAI_SOCKTYPE) - case EAI_SOCKTYPE: return UV_EAI_SOCKTYPE; -#endif -#if defined(EAI_SYSTEM) - case EAI_SYSTEM: return -errno; -#endif - } - assert(!"unknown EAI_* error code"); - abort(); - return 0; /* Pacify compiler. */ -} - - -static void uv__getaddrinfo_work(struct uv__work* w) { - uv_getaddrinfo_t* req; - int err; - - req = container_of(w, uv_getaddrinfo_t, work_req); - err = getaddrinfo(req->hostname, req->service, req->hints, &req->addrinfo); - req->retcode = uv__getaddrinfo_translate_error(err); -} - - -static void uv__getaddrinfo_done(struct uv__work* w, int status) { - uv_getaddrinfo_t* req; - - req = container_of(w, uv_getaddrinfo_t, work_req); - uv__req_unregister(req->loop, req); - - /* See initialization in uv_getaddrinfo(). */ - if (req->hints) - uv__free(req->hints); - else if (req->service) - uv__free(req->service); - else if (req->hostname) - uv__free(req->hostname); - else - assert(0); - - req->hints = NULL; - req->service = NULL; - req->hostname = NULL; - - if (status == -ECANCELED) { - assert(req->retcode == 0); - req->retcode = UV_EAI_CANCELED; - } - - if (req->cb) - req->cb(req, req->retcode, req->addrinfo); -} - - -int uv_getaddrinfo(uv_loop_t* loop, - uv_getaddrinfo_t* req, - uv_getaddrinfo_cb cb, - const char* hostname, - const char* service, - const struct addrinfo* hints) { - size_t hostname_len; - size_t service_len; - size_t hints_len; - size_t len; - char* buf; - - if (req == NULL || (hostname == NULL && service == NULL)) - return -EINVAL; - - hostname_len = hostname ? strlen(hostname) + 1 : 0; - service_len = service ? strlen(service) + 1 : 0; - hints_len = hints ? sizeof(*hints) : 0; - buf = uv__malloc(hostname_len + service_len + hints_len); - - if (buf == NULL) - return -ENOMEM; - - uv__req_init(loop, req, UV_GETADDRINFO); - req->loop = loop; - req->cb = cb; - req->addrinfo = NULL; - req->hints = NULL; - req->service = NULL; - req->hostname = NULL; - req->retcode = 0; - - /* order matters, see uv_getaddrinfo_done() */ - len = 0; - - if (hints) { - req->hints = memcpy(buf + len, hints, sizeof(*hints)); - len += sizeof(*hints); - } - - if (service) { - req->service = memcpy(buf + len, service, service_len); - len += service_len; - } - - if (hostname) - req->hostname = memcpy(buf + len, hostname, hostname_len); - - if (cb) { - uv__work_submit(loop, - &req->work_req, - uv__getaddrinfo_work, - uv__getaddrinfo_done); - return 0; - } else { - uv__getaddrinfo_work(&req->work_req); - uv__getaddrinfo_done(&req->work_req, 0); - return req->retcode; - } -} - - -void uv_freeaddrinfo(struct addrinfo* ai) { - if (ai) - freeaddrinfo(ai); -} diff --git a/3rdparty/libuv/src/unix/getnameinfo.c b/3rdparty/libuv/src/unix/getnameinfo.c deleted file mode 100644 index daa798a450e..00000000000 --- a/3rdparty/libuv/src/unix/getnameinfo.c +++ /dev/null @@ -1,120 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. -* -* Permission is hereby granted, free of charge, to any person obtaining a copy -* of this software and associated documentation files (the "Software"), to -* deal in the Software without restriction, including without limitation the -* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -* sell copies of the Software, and to permit persons to whom the Software is -* furnished to do so, subject to the following conditions: -* -* The above copyright notice and this permission notice shall be included in -* all copies or substantial portions of the Software. -* -* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS -* IN THE SOFTWARE. -*/ - -#include <assert.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -#include "uv.h" -#include "internal.h" - - -static void uv__getnameinfo_work(struct uv__work* w) { - uv_getnameinfo_t* req; - int err; - socklen_t salen; - - req = container_of(w, uv_getnameinfo_t, work_req); - - if (req->storage.ss_family == AF_INET) - salen = sizeof(struct sockaddr_in); - else if (req->storage.ss_family == AF_INET6) - salen = sizeof(struct sockaddr_in6); - else - abort(); - - err = getnameinfo((struct sockaddr*) &req->storage, - salen, - req->host, - sizeof(req->host), - req->service, - sizeof(req->service), - req->flags); - req->retcode = uv__getaddrinfo_translate_error(err); -} - -static void uv__getnameinfo_done(struct uv__work* w, int status) { - uv_getnameinfo_t* req; - char* host; - char* service; - - req = container_of(w, uv_getnameinfo_t, work_req); - uv__req_unregister(req->loop, req); - host = service = NULL; - - if (status == -ECANCELED) { - assert(req->retcode == 0); - req->retcode = UV_EAI_CANCELED; - } else if (req->retcode == 0) { - host = req->host; - service = req->service; - } - - if (req->getnameinfo_cb) - req->getnameinfo_cb(req, req->retcode, host, service); -} - -/* -* Entry point for getnameinfo -* return 0 if a callback will be made -* return error code if validation fails -*/ -int uv_getnameinfo(uv_loop_t* loop, - uv_getnameinfo_t* req, - uv_getnameinfo_cb getnameinfo_cb, - const struct sockaddr* addr, - int flags) { - if (req == NULL || addr == NULL) - return UV_EINVAL; - - if (addr->sa_family == AF_INET) { - memcpy(&req->storage, - addr, - sizeof(struct sockaddr_in)); - } else if (addr->sa_family == AF_INET6) { - memcpy(&req->storage, - addr, - sizeof(struct sockaddr_in6)); - } else { - return UV_EINVAL; - } - - uv__req_init(loop, (uv_req_t*)req, UV_GETNAMEINFO); - - req->getnameinfo_cb = getnameinfo_cb; - req->flags = flags; - req->type = UV_GETNAMEINFO; - req->loop = loop; - req->retcode = 0; - - if (getnameinfo_cb) { - uv__work_submit(loop, - &req->work_req, - uv__getnameinfo_work, - uv__getnameinfo_done); - return 0; - } else { - uv__getnameinfo_work(&req->work_req); - uv__getnameinfo_done(&req->work_req, 0); - return req->retcode; - } -} diff --git a/3rdparty/libuv/src/unix/internal.h b/3rdparty/libuv/src/unix/internal.h deleted file mode 100644 index 938e76f1d18..00000000000 --- a/3rdparty/libuv/src/unix/internal.h +++ /dev/null @@ -1,331 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#ifndef UV_UNIX_INTERNAL_H_ -#define UV_UNIX_INTERNAL_H_ - -#include "uv-common.h" - -#include <assert.h> -#include <stdlib.h> /* abort */ -#include <string.h> /* strrchr */ -#include <fcntl.h> /* O_CLOEXEC, may be */ -#include <stdio.h> - -#if defined(__STRICT_ANSI__) -# define inline __inline -#endif - -#if defined(__linux__) -# include "linux-syscalls.h" -#endif /* __linux__ */ - -#if defined(__sun) -# include <sys/port.h> -# include <port.h> -#endif /* __sun */ - -#if defined(_AIX) -#define reqevents events -#define rtnevents revents -#include <sys/poll.h> -#endif /* _AIX */ - -#if defined(__APPLE__) && !TARGET_OS_IPHONE -# include <CoreServices/CoreServices.h> -#endif - -#define ACCESS_ONCE(type, var) \ - (*(volatile type*) &(var)) - -#define ROUND_UP(a, b) \ - ((a) % (b) ? ((a) + (b)) - ((a) % (b)) : (a)) - -#define UNREACHABLE() \ - do { \ - assert(0 && "unreachable code"); \ - abort(); \ - } \ - while (0) - -#define SAVE_ERRNO(block) \ - do { \ - int _saved_errno = errno; \ - do { block; } while (0); \ - errno = _saved_errno; \ - } \ - while (0) - -/* The __clang__ and __INTEL_COMPILER checks are superfluous because they - * define __GNUC__. They are here to convey to you, dear reader, that these - * macros are enabled when compiling with clang or icc. - */ -#if defined(__clang__) || \ - defined(__GNUC__) || \ - defined(__INTEL_COMPILER) || \ - defined(__SUNPRO_C) -# define UV_DESTRUCTOR(declaration) __attribute__((destructor)) declaration -# define UV_UNUSED(declaration) __attribute__((unused)) declaration -#else -# define UV_DESTRUCTOR(declaration) declaration -# define UV_UNUSED(declaration) declaration -#endif - -#if defined(__linux__) -# define UV__POLLIN UV__EPOLLIN -# define UV__POLLOUT UV__EPOLLOUT -# define UV__POLLERR UV__EPOLLERR -# define UV__POLLHUP UV__EPOLLHUP -# define UV__POLLRDHUP UV__EPOLLRDHUP -#endif - -#if defined(__sun) || defined(_AIX) -# define UV__POLLIN POLLIN -# define UV__POLLOUT POLLOUT -# define UV__POLLERR POLLERR -# define UV__POLLHUP POLLHUP -#endif - -#ifndef UV__POLLIN -# define UV__POLLIN 1 -#endif - -#ifndef UV__POLLOUT -# define UV__POLLOUT 2 -#endif - -#ifndef UV__POLLERR -# define UV__POLLERR 4 -#endif - -#ifndef UV__POLLHUP -# define UV__POLLHUP 8 -#endif - -#ifndef UV__POLLRDHUP -# ifdef POLLRDHUP -# define UV__POLLRDHUP POLLRDHUP -# else -# define UV__POLLRDHUP 0x200 -# endif -#endif - -#if !defined(O_CLOEXEC) && defined(__FreeBSD__) -/* - * It may be that we are just missing `__POSIX_VISIBLE >= 200809`. - * Try using fixed value const and give up, if it doesn't work - */ -# define O_CLOEXEC 0x00100000 -#endif - -typedef struct uv__stream_queued_fds_s uv__stream_queued_fds_t; - -/* handle flags */ -enum { - UV_CLOSING = 0x01, /* uv_close() called but not finished. */ - UV_CLOSED = 0x02, /* close(2) finished. */ - UV_STREAM_READING = 0x04, /* uv_read_start() called. */ - UV_STREAM_SHUTTING = 0x08, /* uv_shutdown() called but not complete. */ - UV_STREAM_SHUT = 0x10, /* Write side closed. */ - UV_STREAM_READABLE = 0x20, /* The stream is readable */ - UV_STREAM_WRITABLE = 0x40, /* The stream is writable */ - UV_STREAM_BLOCKING = 0x80, /* Synchronous writes. */ - UV_STREAM_READ_PARTIAL = 0x100, /* read(2) read less than requested. */ - UV_STREAM_READ_EOF = 0x200, /* read(2) read EOF. */ - UV_TCP_NODELAY = 0x400, /* Disable Nagle. */ - UV_TCP_KEEPALIVE = 0x800, /* Turn on keep-alive. */ - UV_TCP_SINGLE_ACCEPT = 0x1000, /* Only accept() when idle. */ - UV_HANDLE_IPV6 = 0x10000, /* Handle is bound to a IPv6 socket. */ - UV_UDP_PROCESSING = 0x20000 /* Handle is running the send callback queue. */ -}; - -/* loop flags */ -enum { - UV_LOOP_BLOCK_SIGPROF = 1 -}; - -typedef enum { - UV_CLOCK_PRECISE = 0, /* Use the highest resolution clock available. */ - UV_CLOCK_FAST = 1 /* Use the fastest clock with <= 1ms granularity. */ -} uv_clocktype_t; - -struct uv__stream_queued_fds_s { - unsigned int size; - unsigned int offset; - int fds[1]; -}; - - -/* core */ -int uv__nonblock(int fd, int set); -int uv__close(int fd); -int uv__close_nocheckstdio(int fd); -int uv__cloexec(int fd, int set); -int uv__socket(int domain, int type, int protocol); -int uv__dup(int fd); -ssize_t uv__recvmsg(int fd, struct msghdr *msg, int flags); -void uv__make_close_pending(uv_handle_t* handle); -int uv__getiovmax(void); - -void uv__io_init(uv__io_t* w, uv__io_cb cb, int fd); -void uv__io_start(uv_loop_t* loop, uv__io_t* w, unsigned int events); -void uv__io_stop(uv_loop_t* loop, uv__io_t* w, unsigned int events); -void uv__io_close(uv_loop_t* loop, uv__io_t* w); -void uv__io_feed(uv_loop_t* loop, uv__io_t* w); -int uv__io_active(const uv__io_t* w, unsigned int events); -int uv__io_check_fd(uv_loop_t* loop, int fd); -void uv__io_poll(uv_loop_t* loop, int timeout); /* in milliseconds or -1 */ - -/* async */ -void uv__async_send(struct uv__async* wa); -void uv__async_init(struct uv__async* wa); -int uv__async_start(uv_loop_t* loop, struct uv__async* wa, uv__async_cb cb); -void uv__async_stop(uv_loop_t* loop, struct uv__async* wa); - -/* loop */ -void uv__run_idle(uv_loop_t* loop); -void uv__run_check(uv_loop_t* loop); -void uv__run_prepare(uv_loop_t* loop); - -/* stream */ -void uv__stream_init(uv_loop_t* loop, uv_stream_t* stream, - uv_handle_type type); -int uv__stream_open(uv_stream_t*, int fd, int flags); -void uv__stream_destroy(uv_stream_t* stream); -#if defined(__APPLE__) -int uv__stream_try_select(uv_stream_t* stream, int* fd); -#endif /* defined(__APPLE__) */ -void uv__server_io(uv_loop_t* loop, uv__io_t* w, unsigned int events); -int uv__accept(int sockfd); -int uv__dup2_cloexec(int oldfd, int newfd); -int uv__open_cloexec(const char* path, int flags); - -/* tcp */ -int uv_tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb); -int uv__tcp_nodelay(int fd, int on); -int uv__tcp_keepalive(int fd, int on, unsigned int delay); - -/* pipe */ -int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb); - -/* timer */ -void uv__run_timers(uv_loop_t* loop); -int uv__next_timeout(const uv_loop_t* loop); - -/* signal */ -void uv__signal_close(uv_signal_t* handle); -void uv__signal_global_once_init(void); -void uv__signal_loop_cleanup(uv_loop_t* loop); - -/* platform specific */ -uint64_t uv__hrtime(uv_clocktype_t type); -int uv__kqueue_init(uv_loop_t* loop); -int uv__platform_loop_init(uv_loop_t* loop); -void uv__platform_loop_delete(uv_loop_t* loop); -void uv__platform_invalidate_fd(uv_loop_t* loop, int fd); - -/* various */ -void uv__async_close(uv_async_t* handle); -void uv__check_close(uv_check_t* handle); -void uv__fs_event_close(uv_fs_event_t* handle); -void uv__idle_close(uv_idle_t* handle); -void uv__pipe_close(uv_pipe_t* handle); -void uv__poll_close(uv_poll_t* handle); -void uv__prepare_close(uv_prepare_t* handle); -void uv__process_close(uv_process_t* handle); -void uv__stream_close(uv_stream_t* handle); -void uv__tcp_close(uv_tcp_t* handle); -void uv__timer_close(uv_timer_t* handle); -void uv__udp_close(uv_udp_t* handle); -void uv__udp_finish_close(uv_udp_t* handle); -uv_handle_type uv__handle_type(int fd); -FILE* uv__open_file(const char* path); -int uv__getpwuid_r(uv_passwd_t* pwd); - - -#if defined(__APPLE__) -int uv___stream_fd(const uv_stream_t* handle); -#define uv__stream_fd(handle) (uv___stream_fd((const uv_stream_t*) (handle))) -#else -#define uv__stream_fd(handle) ((handle)->io_watcher.fd) -#endif /* defined(__APPLE__) */ - -#ifdef UV__O_NONBLOCK -# define UV__F_NONBLOCK UV__O_NONBLOCK -#else -# define UV__F_NONBLOCK 1 -#endif - -int uv__make_socketpair(int fds[2], int flags); -int uv__make_pipe(int fds[2], int flags); - -#if defined(__APPLE__) - -int uv__fsevents_init(uv_fs_event_t* handle); -int uv__fsevents_close(uv_fs_event_t* handle); -void uv__fsevents_loop_delete(uv_loop_t* loop); - -/* OSX < 10.7 has no file events, polyfill them */ -#ifndef MAC_OS_X_VERSION_10_7 - -static const int kFSEventStreamCreateFlagFileEvents = 0x00000010; -static const int kFSEventStreamEventFlagItemCreated = 0x00000100; -static const int kFSEventStreamEventFlagItemRemoved = 0x00000200; -static const int kFSEventStreamEventFlagItemInodeMetaMod = 0x00000400; -static const int kFSEventStreamEventFlagItemRenamed = 0x00000800; -static const int kFSEventStreamEventFlagItemModified = 0x00001000; -static const int kFSEventStreamEventFlagItemFinderInfoMod = 0x00002000; -static const int kFSEventStreamEventFlagItemChangeOwner = 0x00004000; -static const int kFSEventStreamEventFlagItemXattrMod = 0x00008000; -static const int kFSEventStreamEventFlagItemIsFile = 0x00010000; -static const int kFSEventStreamEventFlagItemIsDir = 0x00020000; -static const int kFSEventStreamEventFlagItemIsSymlink = 0x00040000; - -#endif /* __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070 */ - -#endif /* defined(__APPLE__) */ - -UV_UNUSED(static void uv__req_init(uv_loop_t* loop, - uv_req_t* req, - uv_req_type type)) { - req->type = type; - uv__req_register(loop, req); -} -#define uv__req_init(loop, req, type) \ - uv__req_init((loop), (uv_req_t*)(req), (type)) - -UV_UNUSED(static void uv__update_time(uv_loop_t* loop)) { - /* Use a fast time source if available. We only need millisecond precision. - */ - loop->time = uv__hrtime(UV_CLOCK_FAST) / 1000000; -} - -UV_UNUSED(static char* uv__basename_r(const char* path)) { - char* s; - - s = strrchr(path, '/'); - if (s == NULL) - return (char*) path; - - return s + 1; -} - -#endif /* UV_UNIX_INTERNAL_H_ */ diff --git a/3rdparty/libuv/src/unix/kqueue.c b/3rdparty/libuv/src/unix/kqueue.c deleted file mode 100644 index 400b4a4b7c6..00000000000 --- a/3rdparty/libuv/src/unix/kqueue.c +++ /dev/null @@ -1,447 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> - -#include <sys/sysctl.h> -#include <sys/types.h> -#include <sys/event.h> -#include <sys/time.h> -#include <unistd.h> -#include <fcntl.h> -#include <time.h> - -static void uv__fs_event(uv_loop_t* loop, uv__io_t* w, unsigned int fflags); - - -int uv__kqueue_init(uv_loop_t* loop) { - loop->backend_fd = kqueue(); - if (loop->backend_fd == -1) - return -errno; - - uv__cloexec(loop->backend_fd, 1); - - return 0; -} - - -int uv__io_check_fd(uv_loop_t* loop, int fd) { - struct kevent ev; - int rc; - - rc = 0; - EV_SET(&ev, fd, EVFILT_READ, EV_ADD, 0, 0, 0); - if (kevent(loop->backend_fd, &ev, 1, NULL, 0, NULL)) - rc = -errno; - - EV_SET(&ev, fd, EVFILT_READ, EV_DELETE, 0, 0, 0); - if (rc == 0) - if (kevent(loop->backend_fd, &ev, 1, NULL, 0, NULL)) - abort(); - - return rc; -} - - -void uv__io_poll(uv_loop_t* loop, int timeout) { - struct kevent events[1024]; - struct kevent* ev; - struct timespec spec; - unsigned int nevents; - unsigned int revents; - QUEUE* q; - uv__io_t* w; - sigset_t* pset; - sigset_t set; - uint64_t base; - uint64_t diff; - int filter; - int fflags; - int count; - int nfds; - int fd; - int op; - int i; - - if (loop->nfds == 0) { - assert(QUEUE_EMPTY(&loop->watcher_queue)); - return; - } - - nevents = 0; - - while (!QUEUE_EMPTY(&loop->watcher_queue)) { - q = QUEUE_HEAD(&loop->watcher_queue); - QUEUE_REMOVE(q); - QUEUE_INIT(q); - - w = QUEUE_DATA(q, uv__io_t, watcher_queue); - assert(w->pevents != 0); - assert(w->fd >= 0); - assert(w->fd < (int) loop->nwatchers); - - if ((w->events & UV__POLLIN) == 0 && (w->pevents & UV__POLLIN) != 0) { - filter = EVFILT_READ; - fflags = 0; - op = EV_ADD; - - if (w->cb == uv__fs_event) { - filter = EVFILT_VNODE; - fflags = NOTE_ATTRIB | NOTE_WRITE | NOTE_RENAME - | NOTE_DELETE | NOTE_EXTEND | NOTE_REVOKE; - op = EV_ADD | EV_ONESHOT; /* Stop the event from firing repeatedly. */ - } - - EV_SET(events + nevents, w->fd, filter, op, fflags, 0, 0); - - if (++nevents == ARRAY_SIZE(events)) { - if (kevent(loop->backend_fd, events, nevents, NULL, 0, NULL)) - abort(); - nevents = 0; - } - } - - if ((w->events & UV__POLLOUT) == 0 && (w->pevents & UV__POLLOUT) != 0) { - EV_SET(events + nevents, w->fd, EVFILT_WRITE, EV_ADD, 0, 0, 0); - - if (++nevents == ARRAY_SIZE(events)) { - if (kevent(loop->backend_fd, events, nevents, NULL, 0, NULL)) - abort(); - nevents = 0; - } - } - - w->events = w->pevents; - } - - pset = NULL; - if (loop->flags & UV_LOOP_BLOCK_SIGPROF) { - pset = &set; - sigemptyset(pset); - sigaddset(pset, SIGPROF); - } - - assert(timeout >= -1); - base = loop->time; - count = 48; /* Benchmarks suggest this gives the best throughput. */ - - for (;; nevents = 0) { - if (timeout != -1) { - spec.tv_sec = timeout / 1000; - spec.tv_nsec = (timeout % 1000) * 1000000; - } - - if (pset != NULL) - pthread_sigmask(SIG_BLOCK, pset, NULL); - - nfds = kevent(loop->backend_fd, - events, - nevents, - events, - ARRAY_SIZE(events), - timeout == -1 ? NULL : &spec); - - if (pset != NULL) - pthread_sigmask(SIG_UNBLOCK, pset, NULL); - - /* Update loop->time unconditionally. It's tempting to skip the update when - * timeout == 0 (i.e. non-blocking poll) but there is no guarantee that the - * operating system didn't reschedule our process while in the syscall. - */ - SAVE_ERRNO(uv__update_time(loop)); - - if (nfds == 0) { - assert(timeout != -1); - return; - } - - if (nfds == -1) { - if (errno != EINTR) - abort(); - - if (timeout == 0) - return; - - if (timeout == -1) - continue; - - /* Interrupted by a signal. Update timeout and poll again. */ - goto update_timeout; - } - - nevents = 0; - - assert(loop->watchers != NULL); - loop->watchers[loop->nwatchers] = (void*) events; - loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds; - for (i = 0; i < nfds; i++) { - ev = events + i; - fd = ev->ident; - /* Skip invalidated events, see uv__platform_invalidate_fd */ - if (fd == -1) - continue; - w = loop->watchers[fd]; - - if (w == NULL) { - /* File descriptor that we've stopped watching, disarm it. */ - /* TODO batch up */ - struct kevent events[1]; - - EV_SET(events + 0, fd, ev->filter, EV_DELETE, 0, 0, 0); - if (kevent(loop->backend_fd, events, 1, NULL, 0, NULL)) - if (errno != EBADF && errno != ENOENT) - abort(); - - continue; - } - - if (ev->filter == EVFILT_VNODE) { - assert(w->events == UV__POLLIN); - assert(w->pevents == UV__POLLIN); - w->cb(loop, w, ev->fflags); /* XXX always uv__fs_event() */ - nevents++; - continue; - } - - revents = 0; - - if (ev->filter == EVFILT_READ) { - if (w->pevents & UV__POLLIN) { - revents |= UV__POLLIN; - w->rcount = ev->data; - } else { - /* TODO batch up */ - struct kevent events[1]; - EV_SET(events + 0, fd, ev->filter, EV_DELETE, 0, 0, 0); - if (kevent(loop->backend_fd, events, 1, NULL, 0, NULL)) - if (errno != ENOENT) - abort(); - } - } - - if (ev->filter == EVFILT_WRITE) { - if (w->pevents & UV__POLLOUT) { - revents |= UV__POLLOUT; - w->wcount = ev->data; - } else { - /* TODO batch up */ - struct kevent events[1]; - EV_SET(events + 0, fd, ev->filter, EV_DELETE, 0, 0, 0); - if (kevent(loop->backend_fd, events, 1, NULL, 0, NULL)) - if (errno != ENOENT) - abort(); - } - } - - if (ev->flags & EV_ERROR) - revents |= UV__POLLERR; - - if ((ev->flags & EV_EOF) && (w->pevents & UV__POLLRDHUP)) - revents |= UV__POLLRDHUP; - - if (revents == 0) - continue; - - w->cb(loop, w, revents); - nevents++; - } - loop->watchers[loop->nwatchers] = NULL; - loop->watchers[loop->nwatchers + 1] = NULL; - - if (nevents != 0) { - if (nfds == ARRAY_SIZE(events) && --count != 0) { - /* Poll for more events but don't block this time. */ - timeout = 0; - continue; - } - return; - } - - if (timeout == 0) - return; - - if (timeout == -1) - continue; - -update_timeout: - assert(timeout > 0); - - diff = loop->time - base; - if (diff >= (uint64_t) timeout) - return; - - timeout -= diff; - } -} - - -void uv__platform_invalidate_fd(uv_loop_t* loop, int fd) { - struct kevent* events; - uintptr_t i; - uintptr_t nfds; - - assert(loop->watchers != NULL); - - events = (struct kevent*) loop->watchers[loop->nwatchers]; - nfds = (uintptr_t) loop->watchers[loop->nwatchers + 1]; - if (events == NULL) - return; - - /* Invalidate events with same file descriptor */ - for (i = 0; i < nfds; i++) - if ((int) events[i].ident == fd) - events[i].ident = -1; -} - - -static void uv__fs_event(uv_loop_t* loop, uv__io_t* w, unsigned int fflags) { - uv_fs_event_t* handle; - struct kevent ev; - int events; - const char* path; -#if defined(F_GETPATH) - /* MAXPATHLEN == PATH_MAX but the former is what XNU calls it internally. */ - char pathbuf[MAXPATHLEN]; -#endif - - handle = container_of(w, uv_fs_event_t, event_watcher); - - if (fflags & (NOTE_ATTRIB | NOTE_EXTEND)) - events = UV_CHANGE; - else - events = UV_RENAME; - - path = NULL; -#if defined(F_GETPATH) - /* Also works when the file has been unlinked from the file system. Passing - * in the path when the file has been deleted is arguably a little strange - * but it's consistent with what the inotify backend does. - */ - if (fcntl(handle->event_watcher.fd, F_GETPATH, pathbuf) == 0) - path = uv__basename_r(pathbuf); -#endif - handle->cb(handle, path, events, 0); - - if (handle->event_watcher.fd == -1) - return; - - /* Watcher operates in one-shot mode, re-arm it. */ - fflags = NOTE_ATTRIB | NOTE_WRITE | NOTE_RENAME - | NOTE_DELETE | NOTE_EXTEND | NOTE_REVOKE; - - EV_SET(&ev, w->fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, fflags, 0, 0); - - if (kevent(loop->backend_fd, &ev, 1, NULL, 0, NULL)) - abort(); -} - - -int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) { - uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT); - return 0; -} - - -int uv_fs_event_start(uv_fs_event_t* handle, - uv_fs_event_cb cb, - const char* path, - unsigned int flags) { -#if defined(__APPLE__) - struct stat statbuf; -#endif /* defined(__APPLE__) */ - int fd; - - if (uv__is_active(handle)) - return -EINVAL; - - /* TODO open asynchronously - but how do we report back errors? */ - fd = open(path, O_RDONLY); - if (fd == -1) - return -errno; - - uv__handle_start(handle); - uv__io_init(&handle->event_watcher, uv__fs_event, fd); - handle->path = uv__strdup(path); - handle->cb = cb; - -#if defined(__APPLE__) - /* Nullify field to perform checks later */ - handle->cf_cb = NULL; - handle->realpath = NULL; - handle->realpath_len = 0; - handle->cf_flags = flags; - - if (fstat(fd, &statbuf)) - goto fallback; - /* FSEvents works only with directories */ - if (!(statbuf.st_mode & S_IFDIR)) - goto fallback; - - /* The fallback fd is no longer needed */ - uv__close(fd); - handle->event_watcher.fd = -1; - - return uv__fsevents_init(handle); - -fallback: -#endif /* defined(__APPLE__) */ - - uv__io_start(handle->loop, &handle->event_watcher, UV__POLLIN); - - return 0; -} - - -int uv_fs_event_stop(uv_fs_event_t* handle) { - if (!uv__is_active(handle)) - return 0; - - uv__handle_stop(handle); - -#if defined(__APPLE__) - if (uv__fsevents_close(handle)) -#endif /* defined(__APPLE__) */ - { - uv__io_close(handle->loop, &handle->event_watcher); - } - - uv__free(handle->path); - handle->path = NULL; - - if (handle->event_watcher.fd != -1) { - /* When FSEvents is used, we don't use the event_watcher's fd under certain - * confitions. (see uv_fs_event_start) */ - uv__close(handle->event_watcher.fd); - handle->event_watcher.fd = -1; - } - - return 0; -} - - -void uv__fs_event_close(uv_fs_event_t* handle) { - uv_fs_event_stop(handle); -} diff --git a/3rdparty/libuv/src/unix/linux-core.c b/3rdparty/libuv/src/unix/linux-core.c deleted file mode 100644 index fb8ac3f2379..00000000000 --- a/3rdparty/libuv/src/unix/linux-core.c +++ /dev/null @@ -1,946 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <errno.h> - -#include <net/if.h> -#include <sys/param.h> -#include <sys/prctl.h> -#include <sys/sysinfo.h> -#include <unistd.h> -#include <fcntl.h> -#include <time.h> - -#define HAVE_IFADDRS_H 1 - -#ifdef __UCLIBC__ -# if __UCLIBC_MAJOR__ < 0 && __UCLIBC_MINOR__ < 9 && __UCLIBC_SUBLEVEL__ < 32 -# undef HAVE_IFADDRS_H -# endif -#endif - -#ifdef HAVE_IFADDRS_H -# if defined(__ANDROID__) -# include "android-ifaddrs.h" -# else -# include <ifaddrs.h> -# endif -# include <sys/socket.h> -# include <net/ethernet.h> -# include <netpacket/packet.h> -#endif /* HAVE_IFADDRS_H */ - -/* Available from 2.6.32 onwards. */ -#ifndef CLOCK_MONOTONIC_COARSE -# define CLOCK_MONOTONIC_COARSE 6 -#endif - -/* This is rather annoying: CLOCK_BOOTTIME lives in <linux/time.h> but we can't - * include that file because it conflicts with <time.h>. We'll just have to - * define it ourselves. - */ -#ifndef CLOCK_BOOTTIME -# define CLOCK_BOOTTIME 7 -#endif - -static int read_models(unsigned int numcpus, uv_cpu_info_t* ci); -static int read_times(FILE* statfile_fp, unsigned int numcpus, uv_cpu_info_t* ci); -static void read_speeds(unsigned int numcpus, uv_cpu_info_t* ci); -static unsigned long read_cpufreq(unsigned int cpunum); - - -int uv__platform_loop_init(uv_loop_t* loop) { - int fd; - - fd = uv__epoll_create1(UV__EPOLL_CLOEXEC); - - /* epoll_create1() can fail either because it's not implemented (old kernel) - * or because it doesn't understand the EPOLL_CLOEXEC flag. - */ - if (fd == -1 && (errno == ENOSYS || errno == EINVAL)) { - fd = uv__epoll_create(256); - - if (fd != -1) - uv__cloexec(fd, 1); - } - - loop->backend_fd = fd; - loop->inotify_fd = -1; - loop->inotify_watchers = NULL; - - if (fd == -1) - return -errno; - - return 0; -} - - -void uv__platform_loop_delete(uv_loop_t* loop) { - if (loop->inotify_fd == -1) return; - uv__io_stop(loop, &loop->inotify_read_watcher, UV__POLLIN); - uv__close(loop->inotify_fd); - loop->inotify_fd = -1; -} - - -void uv__platform_invalidate_fd(uv_loop_t* loop, int fd) { - struct uv__epoll_event* events; - struct uv__epoll_event dummy; - uintptr_t i; - uintptr_t nfds; - - assert(loop->watchers != NULL); - - events = (struct uv__epoll_event*) loop->watchers[loop->nwatchers]; - nfds = (uintptr_t) loop->watchers[loop->nwatchers + 1]; - if (events != NULL) - /* Invalidate events with same file descriptor */ - for (i = 0; i < nfds; i++) - if ((int) events[i].data == fd) - events[i].data = -1; - - /* Remove the file descriptor from the epoll. - * This avoids a problem where the same file description remains open - * in another process, causing repeated junk epoll events. - * - * We pass in a dummy epoll_event, to work around a bug in old kernels. - */ - if (loop->backend_fd >= 0) { - /* Work around a bug in kernels 3.10 to 3.19 where passing a struct that - * has the EPOLLWAKEUP flag set generates spurious audit syslog warnings. - */ - memset(&dummy, 0, sizeof(dummy)); - uv__epoll_ctl(loop->backend_fd, UV__EPOLL_CTL_DEL, fd, &dummy); - } -} - - -int uv__io_check_fd(uv_loop_t* loop, int fd) { - struct uv__epoll_event e; - int rc; - - e.events = UV__EPOLLIN; - e.data = -1; - - rc = 0; - if (uv__epoll_ctl(loop->backend_fd, UV__EPOLL_CTL_ADD, fd, &e)) - if (errno != EEXIST) - rc = -errno; - - if (rc == 0) - if (uv__epoll_ctl(loop->backend_fd, UV__EPOLL_CTL_DEL, fd, &e)) - abort(); - - return rc; -} - - -void uv__io_poll(uv_loop_t* loop, int timeout) { - /* A bug in kernels < 2.6.37 makes timeouts larger than ~30 minutes - * effectively infinite on 32 bits architectures. To avoid blocking - * indefinitely, we cap the timeout and poll again if necessary. - * - * Note that "30 minutes" is a simplification because it depends on - * the value of CONFIG_HZ. The magic constant assumes CONFIG_HZ=1200, - * that being the largest value I have seen in the wild (and only once.) - */ - static const int max_safe_timeout = 1789569; - static int no_epoll_pwait; - static int no_epoll_wait; - struct uv__epoll_event events[1024]; - struct uv__epoll_event* pe; - struct uv__epoll_event e; - int real_timeout; - QUEUE* q; - uv__io_t* w; - sigset_t sigset; - uint64_t sigmask; - uint64_t base; - int nevents; - int count; - int nfds; - int fd; - int op; - int i; - - if (loop->nfds == 0) { - assert(QUEUE_EMPTY(&loop->watcher_queue)); - return; - } - - while (!QUEUE_EMPTY(&loop->watcher_queue)) { - q = QUEUE_HEAD(&loop->watcher_queue); - QUEUE_REMOVE(q); - QUEUE_INIT(q); - - w = QUEUE_DATA(q, uv__io_t, watcher_queue); - assert(w->pevents != 0); - assert(w->fd >= 0); - assert(w->fd < (int) loop->nwatchers); - - e.events = w->pevents; - e.data = w->fd; - - if (w->events == 0) - op = UV__EPOLL_CTL_ADD; - else - op = UV__EPOLL_CTL_MOD; - - /* XXX Future optimization: do EPOLL_CTL_MOD lazily if we stop watching - * events, skip the syscall and squelch the events after epoll_wait(). - */ - if (uv__epoll_ctl(loop->backend_fd, op, w->fd, &e)) { - if (errno != EEXIST) - abort(); - - assert(op == UV__EPOLL_CTL_ADD); - - /* We've reactivated a file descriptor that's been watched before. */ - if (uv__epoll_ctl(loop->backend_fd, UV__EPOLL_CTL_MOD, w->fd, &e)) - abort(); - } - - w->events = w->pevents; - } - - sigmask = 0; - if (loop->flags & UV_LOOP_BLOCK_SIGPROF) { - sigemptyset(&sigset); - sigaddset(&sigset, SIGPROF); - sigmask |= 1 << (SIGPROF - 1); - } - - assert(timeout >= -1); - base = loop->time; - count = 48; /* Benchmarks suggest this gives the best throughput. */ - real_timeout = timeout; - - for (;;) { - /* See the comment for max_safe_timeout for an explanation of why - * this is necessary. Executive summary: kernel bug workaround. - */ - if (sizeof(int32_t) == sizeof(long) && timeout >= max_safe_timeout) - timeout = max_safe_timeout; - - if (sigmask != 0 && no_epoll_pwait != 0) - if (pthread_sigmask(SIG_BLOCK, &sigset, NULL)) - abort(); - - if (no_epoll_wait != 0 || (sigmask != 0 && no_epoll_pwait == 0)) { - nfds = uv__epoll_pwait(loop->backend_fd, - events, - ARRAY_SIZE(events), - timeout, - sigmask); - if (nfds == -1 && errno == ENOSYS) - no_epoll_pwait = 1; - } else { - nfds = uv__epoll_wait(loop->backend_fd, - events, - ARRAY_SIZE(events), - timeout); - if (nfds == -1 && errno == ENOSYS) - no_epoll_wait = 1; - } - - if (sigmask != 0 && no_epoll_pwait != 0) - if (pthread_sigmask(SIG_UNBLOCK, &sigset, NULL)) - abort(); - - /* Update loop->time unconditionally. It's tempting to skip the update when - * timeout == 0 (i.e. non-blocking poll) but there is no guarantee that the - * operating system didn't reschedule our process while in the syscall. - */ - SAVE_ERRNO(uv__update_time(loop)); - - if (nfds == 0) { - assert(timeout != -1); - - timeout = real_timeout - timeout; - if (timeout > 0) - continue; - - return; - } - - if (nfds == -1) { - if (errno == ENOSYS) { - /* epoll_wait() or epoll_pwait() failed, try the other system call. */ - assert(no_epoll_wait == 0 || no_epoll_pwait == 0); - continue; - } - - if (errno != EINTR) - abort(); - - if (timeout == -1) - continue; - - if (timeout == 0) - return; - - /* Interrupted by a signal. Update timeout and poll again. */ - goto update_timeout; - } - - nevents = 0; - - assert(loop->watchers != NULL); - loop->watchers[loop->nwatchers] = (void*) events; - loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds; - for (i = 0; i < nfds; i++) { - pe = events + i; - fd = pe->data; - - /* Skip invalidated events, see uv__platform_invalidate_fd */ - if (fd == -1) - continue; - - assert(fd >= 0); - assert((unsigned) fd < loop->nwatchers); - - w = loop->watchers[fd]; - - if (w == NULL) { - /* File descriptor that we've stopped watching, disarm it. - * - * Ignore all errors because we may be racing with another thread - * when the file descriptor is closed. - */ - uv__epoll_ctl(loop->backend_fd, UV__EPOLL_CTL_DEL, fd, pe); - continue; - } - - /* Give users only events they're interested in. Prevents spurious - * callbacks when previous callback invocation in this loop has stopped - * the current watcher. Also, filters out events that users has not - * requested us to watch. - */ - pe->events &= w->pevents | UV__POLLERR | UV__POLLHUP; - - /* Work around an epoll quirk where it sometimes reports just the - * EPOLLERR or EPOLLHUP event. In order to force the event loop to - * move forward, we merge in the read/write events that the watcher - * is interested in; uv__read() and uv__write() will then deal with - * the error or hangup in the usual fashion. - * - * Note to self: happens when epoll reports EPOLLIN|EPOLLHUP, the user - * reads the available data, calls uv_read_stop(), then sometime later - * calls uv_read_start() again. By then, libuv has forgotten about the - * hangup and the kernel won't report EPOLLIN again because there's - * nothing left to read. If anything, libuv is to blame here. The - * current hack is just a quick bandaid; to properly fix it, libuv - * needs to remember the error/hangup event. We should get that for - * free when we switch over to edge-triggered I/O. - */ - if (pe->events == UV__EPOLLERR || pe->events == UV__EPOLLHUP) - pe->events |= w->pevents & (UV__EPOLLIN | UV__EPOLLOUT); - - if (pe->events != 0) { - w->cb(loop, w, pe->events); - nevents++; - } - } - loop->watchers[loop->nwatchers] = NULL; - loop->watchers[loop->nwatchers + 1] = NULL; - - if (nevents != 0) { - if (nfds == ARRAY_SIZE(events) && --count != 0) { - /* Poll for more events but don't block this time. */ - timeout = 0; - continue; - } - return; - } - - if (timeout == 0) - return; - - if (timeout == -1) - continue; - -update_timeout: - assert(timeout > 0); - - real_timeout -= (loop->time - base); - if (real_timeout <= 0) - return; - - timeout = real_timeout; - } -} - - -uint64_t uv__hrtime(uv_clocktype_t type) { - static clock_t fast_clock_id = -1; - struct timespec t; - clock_t clock_id; - - /* Prefer CLOCK_MONOTONIC_COARSE if available but only when it has - * millisecond granularity or better. CLOCK_MONOTONIC_COARSE is - * serviced entirely from the vDSO, whereas CLOCK_MONOTONIC may - * decide to make a costly system call. - */ - /* TODO(bnoordhuis) Use CLOCK_MONOTONIC_COARSE for UV_CLOCK_PRECISE - * when it has microsecond granularity or better (unlikely). - */ - if (type == UV_CLOCK_FAST && fast_clock_id == -1) { - if (clock_getres(CLOCK_MONOTONIC_COARSE, &t) == 0 && - t.tv_nsec <= 1 * 1000 * 1000) { - fast_clock_id = CLOCK_MONOTONIC_COARSE; - } else { - fast_clock_id = CLOCK_MONOTONIC; - } - } - - clock_id = CLOCK_MONOTONIC; - if (type == UV_CLOCK_FAST) - clock_id = fast_clock_id; - - if (clock_gettime(clock_id, &t)) - return 0; /* Not really possible. */ - - return t.tv_sec * (uint64_t) 1e9 + t.tv_nsec; -} - - -void uv_loadavg(double avg[3]) { - struct sysinfo info; - - if (sysinfo(&info) < 0) return; - - avg[0] = (double) info.loads[0] / 65536.0; - avg[1] = (double) info.loads[1] / 65536.0; - avg[2] = (double) info.loads[2] / 65536.0; -} - - -int uv_exepath(char* buffer, size_t* size) { - ssize_t n; - - if (buffer == NULL || size == NULL || *size == 0) - return -EINVAL; - - n = *size - 1; - if (n > 0) - n = readlink("/proc/self/exe", buffer, n); - - if (n == -1) - return -errno; - - buffer[n] = '\0'; - *size = n; - - return 0; -} - - -uint64_t uv_get_free_memory(void) { - return (uint64_t) sysconf(_SC_PAGESIZE) * sysconf(_SC_AVPHYS_PAGES); -} - - -uint64_t uv_get_total_memory(void) { - return (uint64_t) sysconf(_SC_PAGESIZE) * sysconf(_SC_PHYS_PAGES); -} - - -int uv_resident_set_memory(size_t* rss) { - char buf[1024]; - const char* s; - ssize_t n; - long val; - int fd; - int i; - - do - fd = open("/proc/self/stat", O_RDONLY); - while (fd == -1 && errno == EINTR); - - if (fd == -1) - return -errno; - - do - n = read(fd, buf, sizeof(buf) - 1); - while (n == -1 && errno == EINTR); - - uv__close(fd); - if (n == -1) - return -errno; - buf[n] = '\0'; - - s = strchr(buf, ' '); - if (s == NULL) - goto err; - - s += 1; - if (*s != '(') - goto err; - - s = strchr(s, ')'); - if (s == NULL) - goto err; - - for (i = 1; i <= 22; i++) { - s = strchr(s + 1, ' '); - if (s == NULL) - goto err; - } - - errno = 0; - val = strtol(s, NULL, 10); - if (errno != 0) - goto err; - if (val < 0) - goto err; - - *rss = val * getpagesize(); - return 0; - -err: - return -EINVAL; -} - - -int uv_uptime(double* uptime) { - static volatile int no_clock_boottime; - struct timespec now; - int r; - - /* Try CLOCK_BOOTTIME first, fall back to CLOCK_MONOTONIC if not available - * (pre-2.6.39 kernels). CLOCK_MONOTONIC doesn't increase when the system - * is suspended. - */ - if (no_clock_boottime) { - retry: r = clock_gettime(CLOCK_MONOTONIC, &now); - } - else if ((r = clock_gettime(CLOCK_BOOTTIME, &now)) && errno == EINVAL) { - no_clock_boottime = 1; - goto retry; - } - - if (r) - return -errno; - - *uptime = now.tv_sec; - return 0; -} - - -static int uv__cpu_num(FILE* statfile_fp, unsigned int* numcpus) { - unsigned int num; - char buf[1024]; - - if (!fgets(buf, sizeof(buf), statfile_fp)) - abort(); - - num = 0; - while (fgets(buf, sizeof(buf), statfile_fp)) { - if (strncmp(buf, "cpu", 3)) - break; - num++; - } - - *numcpus = num; - return 0; -} - - -int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { - unsigned int numcpus; - uv_cpu_info_t* ci; - int err; - FILE* statfile_fp; - - *cpu_infos = NULL; - *count = 0; - - statfile_fp = uv__open_file("/proc/stat"); - if (statfile_fp == NULL) - return -errno; - - err = uv__cpu_num(statfile_fp, &numcpus); - if (err < 0) - return err; - - assert(numcpus != (unsigned int) -1); - assert(numcpus != 0); - - ci = uv__calloc(numcpus, sizeof(*ci)); - if (ci == NULL) - return -ENOMEM; - - err = read_models(numcpus, ci); - if (err == 0) - err = read_times(statfile_fp, numcpus, ci); - - if (fclose(statfile_fp)) - if (errno != EINTR && errno != EINPROGRESS) - abort(); - - if (err) { - uv_free_cpu_info(ci, numcpus); - return err; - } - - /* read_models() on x86 also reads the CPU speed from /proc/cpuinfo. - * We don't check for errors here. Worst case, the field is left zero. - */ - if (ci[0].speed == 0) - read_speeds(numcpus, ci); - - *cpu_infos = ci; - *count = numcpus; - - return 0; -} - - -static void read_speeds(unsigned int numcpus, uv_cpu_info_t* ci) { - unsigned int num; - - for (num = 0; num < numcpus; num++) - ci[num].speed = read_cpufreq(num) / 1000; -} - - -/* Also reads the CPU frequency on x86. The other architectures only have - * a BogoMIPS field, which may not be very accurate. - * - * Note: Simply returns on error, uv_cpu_info() takes care of the cleanup. - */ -static int read_models(unsigned int numcpus, uv_cpu_info_t* ci) { - static const char model_marker[] = "model name\t: "; - static const char speed_marker[] = "cpu MHz\t\t: "; - const char* inferred_model; - unsigned int model_idx; - unsigned int speed_idx; - char buf[1024]; - char* model; - FILE* fp; - - /* Most are unused on non-ARM, non-MIPS and non-x86 architectures. */ - (void) &model_marker; - (void) &speed_marker; - (void) &speed_idx; - (void) &model; - (void) &buf; - (void) &fp; - - model_idx = 0; - speed_idx = 0; - -#if defined(__arm__) || \ - defined(__i386__) || \ - defined(__mips__) || \ - defined(__x86_64__) - fp = uv__open_file("/proc/cpuinfo"); - if (fp == NULL) - return -errno; - - while (fgets(buf, sizeof(buf), fp)) { - if (model_idx < numcpus) { - if (strncmp(buf, model_marker, sizeof(model_marker) - 1) == 0) { - model = buf + sizeof(model_marker) - 1; - model = uv__strndup(model, strlen(model) - 1); /* Strip newline. */ - if (model == NULL) { - fclose(fp); - return -ENOMEM; - } - ci[model_idx++].model = model; - continue; - } - } -#if defined(__arm__) || defined(__mips__) - if (model_idx < numcpus) { -#if defined(__arm__) - /* Fallback for pre-3.8 kernels. */ - static const char model_marker[] = "Processor\t: "; -#else /* defined(__mips__) */ - static const char model_marker[] = "cpu model\t\t: "; -#endif - if (strncmp(buf, model_marker, sizeof(model_marker) - 1) == 0) { - model = buf + sizeof(model_marker) - 1; - model = uv__strndup(model, strlen(model) - 1); /* Strip newline. */ - if (model == NULL) { - fclose(fp); - return -ENOMEM; - } - ci[model_idx++].model = model; - continue; - } - } -#else /* !__arm__ && !__mips__ */ - if (speed_idx < numcpus) { - if (strncmp(buf, speed_marker, sizeof(speed_marker) - 1) == 0) { - ci[speed_idx++].speed = atoi(buf + sizeof(speed_marker) - 1); - continue; - } - } -#endif /* __arm__ || __mips__ */ - } - - fclose(fp); -#endif /* __arm__ || __i386__ || __mips__ || __x86_64__ */ - - /* Now we want to make sure that all the models contain *something* because - * it's not safe to leave them as null. Copy the last entry unless there - * isn't one, in that case we simply put "unknown" into everything. - */ - inferred_model = "unknown"; - if (model_idx > 0) - inferred_model = ci[model_idx - 1].model; - - while (model_idx < numcpus) { - model = uv__strndup(inferred_model, strlen(inferred_model)); - if (model == NULL) - return -ENOMEM; - ci[model_idx++].model = model; - } - - return 0; -} - - -static int read_times(FILE* statfile_fp, unsigned int numcpus, uv_cpu_info_t* ci) { - unsigned long clock_ticks; - struct uv_cpu_times_s ts; - unsigned long user; - unsigned long nice; - unsigned long sys; - unsigned long idle; - unsigned long dummy; - unsigned long irq; - unsigned int num; - unsigned int len; - char buf[1024]; - - clock_ticks = sysconf(_SC_CLK_TCK); - assert(clock_ticks != (unsigned long) -1); - assert(clock_ticks != 0); - - rewind(statfile_fp); - - if (!fgets(buf, sizeof(buf), statfile_fp)) - abort(); - - num = 0; - - while (fgets(buf, sizeof(buf), statfile_fp)) { - if (num >= numcpus) - break; - - if (strncmp(buf, "cpu", 3)) - break; - - /* skip "cpu<num> " marker */ - { - unsigned int n; - int r = sscanf(buf, "cpu%u ", &n); - assert(r == 1); - (void) r; /* silence build warning */ - for (len = sizeof("cpu0"); n /= 10; len++); - } - - /* Line contains user, nice, system, idle, iowait, irq, softirq, steal, - * guest, guest_nice but we're only interested in the first four + irq. - * - * Don't use %*s to skip fields or %ll to read straight into the uint64_t - * fields, they're not allowed in C89 mode. - */ - if (6 != sscanf(buf + len, - "%lu %lu %lu %lu %lu %lu", - &user, - &nice, - &sys, - &idle, - &dummy, - &irq)) - abort(); - - ts.user = clock_ticks * user; - ts.nice = clock_ticks * nice; - ts.sys = clock_ticks * sys; - ts.idle = clock_ticks * idle; - ts.irq = clock_ticks * irq; - ci[num++].cpu_times = ts; - } - assert(num == numcpus); - - return 0; -} - - -static unsigned long read_cpufreq(unsigned int cpunum) { - unsigned long val; - char buf[1024]; - FILE* fp; - - snprintf(buf, - sizeof(buf), - "/sys/devices/system/cpu/cpu%u/cpufreq/scaling_cur_freq", - cpunum); - - fp = uv__open_file(buf); - if (fp == NULL) - return 0; - - if (fscanf(fp, "%lu", &val) != 1) - val = 0; - - fclose(fp); - - return val; -} - - -void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(cpu_infos[i].model); - } - - uv__free(cpu_infos); -} - - -int uv_interface_addresses(uv_interface_address_t** addresses, - int* count) { -#ifndef HAVE_IFADDRS_H - return -ENOSYS; -#else - struct ifaddrs *addrs, *ent; - uv_interface_address_t* address; - int i; - struct sockaddr_ll *sll; - - if (getifaddrs(&addrs)) - return -errno; - - *count = 0; - *addresses = NULL; - - /* Count the number of interfaces */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family == PF_PACKET)) { - continue; - } - - (*count)++; - } - - if (*count == 0) - return 0; - - *addresses = uv__malloc(*count * sizeof(**addresses)); - if (!(*addresses)) { - freeifaddrs(addrs); - return -ENOMEM; - } - - address = *addresses; - - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING))) - continue; - - if (ent->ifa_addr == NULL) - continue; - - /* - * On Linux getifaddrs returns information related to the raw underlying - * devices. We're not interested in this information yet. - */ - if (ent->ifa_addr->sa_family == PF_PACKET) - continue; - - address->name = uv__strdup(ent->ifa_name); - - if (ent->ifa_addr->sa_family == AF_INET6) { - address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr); - } else { - address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr); - } - - if (ent->ifa_netmask->sa_family == AF_INET6) { - address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask); - } else { - address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask); - } - - address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK); - - address++; - } - - /* Fill in physical addresses for each interface */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family != PF_PACKET)) { - continue; - } - - address = *addresses; - - for (i = 0; i < (*count); i++) { - if (strcmp(address->name, ent->ifa_name) == 0) { - sll = (struct sockaddr_ll*)ent->ifa_addr; - memcpy(address->phys_addr, sll->sll_addr, sizeof(address->phys_addr)); - } - address++; - } - } - - freeifaddrs(addrs); - - return 0; -#endif -} - - -void uv_free_interface_addresses(uv_interface_address_t* addresses, - int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(addresses[i].name); - } - - uv__free(addresses); -} - - -void uv__set_process_title(const char* title) { -#if defined(PR_SET_NAME) - prctl(PR_SET_NAME, title); /* Only copies first 16 characters. */ -#endif -} diff --git a/3rdparty/libuv/src/unix/linux-inotify.c b/3rdparty/libuv/src/unix/linux-inotify.c deleted file mode 100644 index 282912115d8..00000000000 --- a/3rdparty/libuv/src/unix/linux-inotify.c +++ /dev/null @@ -1,285 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "tree.h" -#include "internal.h" - -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <errno.h> - -#include <sys/types.h> -#include <unistd.h> - -struct watcher_list { - RB_ENTRY(watcher_list) entry; - QUEUE watchers; - int iterating; - char* path; - int wd; -}; - -struct watcher_root { - struct watcher_list* rbh_root; -}; -#define CAST(p) ((struct watcher_root*)(p)) - - -static int compare_watchers(const struct watcher_list* a, - const struct watcher_list* b) { - if (a->wd < b->wd) return -1; - if (a->wd > b->wd) return 1; - return 0; -} - - -RB_GENERATE_STATIC(watcher_root, watcher_list, entry, compare_watchers) - - -static void uv__inotify_read(uv_loop_t* loop, - uv__io_t* w, - unsigned int revents); - - -static int new_inotify_fd(void) { - int err; - int fd; - - fd = uv__inotify_init1(UV__IN_NONBLOCK | UV__IN_CLOEXEC); - if (fd != -1) - return fd; - - if (errno != ENOSYS) - return -errno; - - fd = uv__inotify_init(); - if (fd == -1) - return -errno; - - err = uv__cloexec(fd, 1); - if (err == 0) - err = uv__nonblock(fd, 1); - - if (err) { - uv__close(fd); - return err; - } - - return fd; -} - - -static int init_inotify(uv_loop_t* loop) { - int err; - - if (loop->inotify_fd != -1) - return 0; - - err = new_inotify_fd(); - if (err < 0) - return err; - - loop->inotify_fd = err; - uv__io_init(&loop->inotify_read_watcher, uv__inotify_read, loop->inotify_fd); - uv__io_start(loop, &loop->inotify_read_watcher, UV__POLLIN); - - return 0; -} - - -static struct watcher_list* find_watcher(uv_loop_t* loop, int wd) { - struct watcher_list w; - w.wd = wd; - return RB_FIND(watcher_root, CAST(&loop->inotify_watchers), &w); -} - -static void maybe_free_watcher_list(struct watcher_list* w, uv_loop_t* loop) { - /* if the watcher_list->watchers is being iterated over, we can't free it. */ - if ((!w->iterating) && QUEUE_EMPTY(&w->watchers)) { - /* No watchers left for this path. Clean up. */ - RB_REMOVE(watcher_root, CAST(&loop->inotify_watchers), w); - uv__inotify_rm_watch(loop->inotify_fd, w->wd); - uv__free(w); - } -} - -static void uv__inotify_read(uv_loop_t* loop, - uv__io_t* dummy, - unsigned int events) { - const struct uv__inotify_event* e; - struct watcher_list* w; - uv_fs_event_t* h; - QUEUE queue; - QUEUE* q; - const char* path; - ssize_t size; - const char *p; - /* needs to be large enough for sizeof(inotify_event) + strlen(path) */ - char buf[4096]; - - while (1) { - do - size = read(loop->inotify_fd, buf, sizeof(buf)); - while (size == -1 && errno == EINTR); - - if (size == -1) { - assert(errno == EAGAIN || errno == EWOULDBLOCK); - break; - } - - assert(size > 0); /* pre-2.6.21 thing, size=0 == read buffer too small */ - - /* Now we have one or more inotify_event structs. */ - for (p = buf; p < buf + size; p += sizeof(*e) + e->len) { - e = (const struct uv__inotify_event*)p; - - events = 0; - if (e->mask & (UV__IN_ATTRIB|UV__IN_MODIFY)) - events |= UV_CHANGE; - if (e->mask & ~(UV__IN_ATTRIB|UV__IN_MODIFY)) - events |= UV_RENAME; - - w = find_watcher(loop, e->wd); - if (w == NULL) - continue; /* Stale event, no watchers left. */ - - /* inotify does not return the filename when monitoring a single file - * for modifications. Repurpose the filename for API compatibility. - * I'm not convinced this is a good thing, maybe it should go. - */ - path = e->len ? (const char*) (e + 1) : uv__basename_r(w->path); - - /* We're about to iterate over the queue and call user's callbacks. - * What can go wrong? - * A callback could call uv_fs_event_stop() - * and the queue can change under our feet. - * So, we use QUEUE_MOVE() trick to safely iterate over the queue. - * And we don't free the watcher_list until we're done iterating. - * - * First, - * tell uv_fs_event_stop() (that could be called from a user's callback) - * not to free watcher_list. - */ - w->iterating = 1; - QUEUE_MOVE(&w->watchers, &queue); - while (!QUEUE_EMPTY(&queue)) { - q = QUEUE_HEAD(&queue); - h = QUEUE_DATA(q, uv_fs_event_t, watchers); - - QUEUE_REMOVE(q); - QUEUE_INSERT_TAIL(&w->watchers, q); - - h->cb(h, path, events, 0); - } - /* done iterating, time to (maybe) free empty watcher_list */ - w->iterating = 0; - maybe_free_watcher_list(w, loop); - } - } -} - - -int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) { - uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT); - return 0; -} - - -int uv_fs_event_start(uv_fs_event_t* handle, - uv_fs_event_cb cb, - const char* path, - unsigned int flags) { - struct watcher_list* w; - int events; - int err; - int wd; - - if (uv__is_active(handle)) - return -EINVAL; - - err = init_inotify(handle->loop); - if (err) - return err; - - events = UV__IN_ATTRIB - | UV__IN_CREATE - | UV__IN_MODIFY - | UV__IN_DELETE - | UV__IN_DELETE_SELF - | UV__IN_MOVE_SELF - | UV__IN_MOVED_FROM - | UV__IN_MOVED_TO; - - wd = uv__inotify_add_watch(handle->loop->inotify_fd, path, events); - if (wd == -1) - return -errno; - - w = find_watcher(handle->loop, wd); - if (w) - goto no_insert; - - w = uv__malloc(sizeof(*w) + strlen(path) + 1); - if (w == NULL) - return -ENOMEM; - - w->wd = wd; - w->path = strcpy((char*)(w + 1), path); - QUEUE_INIT(&w->watchers); - w->iterating = 0; - RB_INSERT(watcher_root, CAST(&handle->loop->inotify_watchers), w); - -no_insert: - uv__handle_start(handle); - QUEUE_INSERT_TAIL(&w->watchers, &handle->watchers); - handle->path = w->path; - handle->cb = cb; - handle->wd = wd; - - return 0; -} - - -int uv_fs_event_stop(uv_fs_event_t* handle) { - struct watcher_list* w; - - if (!uv__is_active(handle)) - return 0; - - w = find_watcher(handle->loop, handle->wd); - assert(w != NULL); - - handle->wd = -1; - handle->path = NULL; - uv__handle_stop(handle); - QUEUE_REMOVE(&handle->watchers); - - maybe_free_watcher_list(w, handle->loop); - - return 0; -} - - -void uv__fs_event_close(uv_fs_event_t* handle) { - uv_fs_event_stop(handle); -} diff --git a/3rdparty/libuv/src/unix/linux-syscalls.c b/3rdparty/libuv/src/unix/linux-syscalls.c deleted file mode 100644 index 89998ded26b..00000000000 --- a/3rdparty/libuv/src/unix/linux-syscalls.c +++ /dev/null @@ -1,471 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "linux-syscalls.h" -#include <unistd.h> -#include <signal.h> -#include <sys/syscall.h> -#include <sys/types.h> -#include <errno.h> - -#if defined(__has_feature) -# if __has_feature(memory_sanitizer) -# define MSAN_ACTIVE 1 -# include <sanitizer/msan_interface.h> -# endif -#endif - -#if defined(__i386__) -# ifndef __NR_socketcall -# define __NR_socketcall 102 -# endif -#endif - -#if defined(__arm__) -# if defined(__thumb__) || defined(__ARM_EABI__) -# define UV_SYSCALL_BASE 0 -# else -# define UV_SYSCALL_BASE 0x900000 -# endif -#endif /* __arm__ */ - -#ifndef __NR_accept4 -# if defined(__x86_64__) -# define __NR_accept4 288 -# elif defined(__i386__) - /* Nothing. Handled through socketcall(). */ -# elif defined(__arm__) -# define __NR_accept4 (UV_SYSCALL_BASE + 366) -# endif -#endif /* __NR_accept4 */ - -#ifndef __NR_eventfd -# if defined(__x86_64__) -# define __NR_eventfd 284 -# elif defined(__i386__) -# define __NR_eventfd 323 -# elif defined(__arm__) -# define __NR_eventfd (UV_SYSCALL_BASE + 351) -# endif -#endif /* __NR_eventfd */ - -#ifndef __NR_eventfd2 -# if defined(__x86_64__) -# define __NR_eventfd2 290 -# elif defined(__i386__) -# define __NR_eventfd2 328 -# elif defined(__arm__) -# define __NR_eventfd2 (UV_SYSCALL_BASE + 356) -# endif -#endif /* __NR_eventfd2 */ - -#ifndef __NR_epoll_create -# if defined(__x86_64__) -# define __NR_epoll_create 213 -# elif defined(__i386__) -# define __NR_epoll_create 254 -# elif defined(__arm__) -# define __NR_epoll_create (UV_SYSCALL_BASE + 250) -# endif -#endif /* __NR_epoll_create */ - -#ifndef __NR_epoll_create1 -# if defined(__x86_64__) -# define __NR_epoll_create1 291 -# elif defined(__i386__) -# define __NR_epoll_create1 329 -# elif defined(__arm__) -# define __NR_epoll_create1 (UV_SYSCALL_BASE + 357) -# endif -#endif /* __NR_epoll_create1 */ - -#ifndef __NR_epoll_ctl -# if defined(__x86_64__) -# define __NR_epoll_ctl 233 /* used to be 214 */ -# elif defined(__i386__) -# define __NR_epoll_ctl 255 -# elif defined(__arm__) -# define __NR_epoll_ctl (UV_SYSCALL_BASE + 251) -# endif -#endif /* __NR_epoll_ctl */ - -#ifndef __NR_epoll_wait -# if defined(__x86_64__) -# define __NR_epoll_wait 232 /* used to be 215 */ -# elif defined(__i386__) -# define __NR_epoll_wait 256 -# elif defined(__arm__) -# define __NR_epoll_wait (UV_SYSCALL_BASE + 252) -# endif -#endif /* __NR_epoll_wait */ - -#ifndef __NR_epoll_pwait -# if defined(__x86_64__) -# define __NR_epoll_pwait 281 -# elif defined(__i386__) -# define __NR_epoll_pwait 319 -# elif defined(__arm__) -# define __NR_epoll_pwait (UV_SYSCALL_BASE + 346) -# endif -#endif /* __NR_epoll_pwait */ - -#ifndef __NR_inotify_init -# if defined(__x86_64__) -# define __NR_inotify_init 253 -# elif defined(__i386__) -# define __NR_inotify_init 291 -# elif defined(__arm__) -# define __NR_inotify_init (UV_SYSCALL_BASE + 316) -# endif -#endif /* __NR_inotify_init */ - -#ifndef __NR_inotify_init1 -# if defined(__x86_64__) -# define __NR_inotify_init1 294 -# elif defined(__i386__) -# define __NR_inotify_init1 332 -# elif defined(__arm__) -# define __NR_inotify_init1 (UV_SYSCALL_BASE + 360) -# endif -#endif /* __NR_inotify_init1 */ - -#ifndef __NR_inotify_add_watch -# if defined(__x86_64__) -# define __NR_inotify_add_watch 254 -# elif defined(__i386__) -# define __NR_inotify_add_watch 292 -# elif defined(__arm__) -# define __NR_inotify_add_watch (UV_SYSCALL_BASE + 317) -# endif -#endif /* __NR_inotify_add_watch */ - -#ifndef __NR_inotify_rm_watch -# if defined(__x86_64__) -# define __NR_inotify_rm_watch 255 -# elif defined(__i386__) -# define __NR_inotify_rm_watch 293 -# elif defined(__arm__) -# define __NR_inotify_rm_watch (UV_SYSCALL_BASE + 318) -# endif -#endif /* __NR_inotify_rm_watch */ - -#ifndef __NR_pipe2 -# if defined(__x86_64__) -# define __NR_pipe2 293 -# elif defined(__i386__) -# define __NR_pipe2 331 -# elif defined(__arm__) -# define __NR_pipe2 (UV_SYSCALL_BASE + 359) -# endif -#endif /* __NR_pipe2 */ - -#ifndef __NR_recvmmsg -# if defined(__x86_64__) -# define __NR_recvmmsg 299 -# elif defined(__i386__) -# define __NR_recvmmsg 337 -# elif defined(__arm__) -# define __NR_recvmmsg (UV_SYSCALL_BASE + 365) -# endif -#endif /* __NR_recvmsg */ - -#ifndef __NR_sendmmsg -# if defined(__x86_64__) -# define __NR_sendmmsg 307 -# elif defined(__i386__) -# define __NR_sendmmsg 345 -# elif defined(__arm__) -# define __NR_sendmmsg (UV_SYSCALL_BASE + 374) -# endif -#endif /* __NR_sendmmsg */ - -#ifndef __NR_utimensat -# if defined(__x86_64__) -# define __NR_utimensat 280 -# elif defined(__i386__) -# define __NR_utimensat 320 -# elif defined(__arm__) -# define __NR_utimensat (UV_SYSCALL_BASE + 348) -# endif -#endif /* __NR_utimensat */ - -#ifndef __NR_preadv -# if defined(__x86_64__) -# define __NR_preadv 295 -# elif defined(__i386__) -# define __NR_preadv 333 -# elif defined(__arm__) -# define __NR_preadv (UV_SYSCALL_BASE + 361) -# endif -#endif /* __NR_preadv */ - -#ifndef __NR_pwritev -# if defined(__x86_64__) -# define __NR_pwritev 296 -# elif defined(__i386__) -# define __NR_pwritev 334 -# elif defined(__arm__) -# define __NR_pwritev (UV_SYSCALL_BASE + 362) -# endif -#endif /* __NR_pwritev */ - -#ifndef __NR_dup3 -# if defined(__x86_64__) -# define __NR_dup3 292 -# elif defined(__i386__) -# define __NR_dup3 330 -# elif defined(__arm__) -# define __NR_dup3 (UV_SYSCALL_BASE + 358) -# endif -#endif /* __NR_pwritev */ - - -int uv__accept4(int fd, struct sockaddr* addr, socklen_t* addrlen, int flags) { -#if defined(__i386__) - unsigned long args[4]; - int r; - - args[0] = (unsigned long) fd; - args[1] = (unsigned long) addr; - args[2] = (unsigned long) addrlen; - args[3] = (unsigned long) flags; - - r = syscall(__NR_socketcall, 18 /* SYS_ACCEPT4 */, args); - - /* socketcall() raises EINVAL when SYS_ACCEPT4 is not supported but so does - * a bad flags argument. Try to distinguish between the two cases. - */ - if (r == -1) - if (errno == EINVAL) - if ((flags & ~(UV__SOCK_CLOEXEC|UV__SOCK_NONBLOCK)) == 0) - errno = ENOSYS; - - return r; -#elif defined(__NR_accept4) - return syscall(__NR_accept4, fd, addr, addrlen, flags); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__eventfd(unsigned int count) { -#if defined(__NR_eventfd) - return syscall(__NR_eventfd, count); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__eventfd2(unsigned int count, int flags) { -#if defined(__NR_eventfd2) - return syscall(__NR_eventfd2, count, flags); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__epoll_create(int size) { -#if defined(__NR_epoll_create) - return syscall(__NR_epoll_create, size); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__epoll_create1(int flags) { -#if defined(__NR_epoll_create1) - return syscall(__NR_epoll_create1, flags); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__epoll_ctl(int epfd, int op, int fd, struct uv__epoll_event* events) { -#if defined(__NR_epoll_ctl) - return syscall(__NR_epoll_ctl, epfd, op, fd, events); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__epoll_wait(int epfd, - struct uv__epoll_event* events, - int nevents, - int timeout) { -#if defined(__NR_epoll_wait) - int result; - result = syscall(__NR_epoll_wait, epfd, events, nevents, timeout); -#if MSAN_ACTIVE - if (result > 0) - __msan_unpoison(events, sizeof(events[0]) * result); -#endif - return result; -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__epoll_pwait(int epfd, - struct uv__epoll_event* events, - int nevents, - int timeout, - uint64_t sigmask) { -#if defined(__NR_epoll_pwait) - int result; - result = syscall(__NR_epoll_pwait, - epfd, - events, - nevents, - timeout, - &sigmask, - sizeof(sigmask)); -#if MSAN_ACTIVE - if (result > 0) - __msan_unpoison(events, sizeof(events[0]) * result); -#endif - return result; -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__inotify_init(void) { -#if defined(__NR_inotify_init) - return syscall(__NR_inotify_init); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__inotify_init1(int flags) { -#if defined(__NR_inotify_init1) - return syscall(__NR_inotify_init1, flags); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__inotify_add_watch(int fd, const char* path, uint32_t mask) { -#if defined(__NR_inotify_add_watch) - return syscall(__NR_inotify_add_watch, fd, path, mask); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__inotify_rm_watch(int fd, int32_t wd) { -#if defined(__NR_inotify_rm_watch) - return syscall(__NR_inotify_rm_watch, fd, wd); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__pipe2(int pipefd[2], int flags) { -#if defined(__NR_pipe2) - int result; - result = syscall(__NR_pipe2, pipefd, flags); -#if MSAN_ACTIVE - if (!result) - __msan_unpoison(pipefd, sizeof(int[2])); -#endif - return result; -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__sendmmsg(int fd, - struct uv__mmsghdr* mmsg, - unsigned int vlen, - unsigned int flags) { -#if defined(__NR_sendmmsg) - return syscall(__NR_sendmmsg, fd, mmsg, vlen, flags); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__recvmmsg(int fd, - struct uv__mmsghdr* mmsg, - unsigned int vlen, - unsigned int flags, - struct timespec* timeout) { -#if defined(__NR_recvmmsg) - return syscall(__NR_recvmmsg, fd, mmsg, vlen, flags, timeout); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__utimesat(int dirfd, - const char* path, - const struct timespec times[2], - int flags) -{ -#if defined(__NR_utimensat) - return syscall(__NR_utimensat, dirfd, path, times, flags); -#else - return errno = ENOSYS, -1; -#endif -} - - -ssize_t uv__preadv(int fd, const struct iovec *iov, int iovcnt, int64_t offset) { -#if defined(__NR_preadv) - return syscall(__NR_preadv, fd, iov, iovcnt, (long)offset, (long)(offset >> 32)); -#else - return errno = ENOSYS, -1; -#endif -} - - -ssize_t uv__pwritev(int fd, const struct iovec *iov, int iovcnt, int64_t offset) { -#if defined(__NR_pwritev) - return syscall(__NR_pwritev, fd, iov, iovcnt, (long)offset, (long)(offset >> 32)); -#else - return errno = ENOSYS, -1; -#endif -} - - -int uv__dup3(int oldfd, int newfd, int flags) { -#if defined(__NR_dup3) - return syscall(__NR_dup3, oldfd, newfd, flags); -#else - return errno = ENOSYS, -1; -#endif -} diff --git a/3rdparty/libuv/src/unix/linux-syscalls.h b/3rdparty/libuv/src/unix/linux-syscalls.h deleted file mode 100644 index 4260df111f3..00000000000 --- a/3rdparty/libuv/src/unix/linux-syscalls.h +++ /dev/null @@ -1,159 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#ifndef UV_LINUX_SYSCALL_H_ -#define UV_LINUX_SYSCALL_H_ - -#undef _GNU_SOURCE -#define _GNU_SOURCE - -#include <stdint.h> -#include <signal.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sys/socket.h> - -#if defined(__alpha__) -# define UV__O_CLOEXEC 0x200000 -#elif defined(__hppa__) -# define UV__O_CLOEXEC 0x200000 -#elif defined(__sparc__) -# define UV__O_CLOEXEC 0x400000 -#else -# define UV__O_CLOEXEC 0x80000 -#endif - -#if defined(__alpha__) -# define UV__O_NONBLOCK 0x4 -#elif defined(__hppa__) -# define UV__O_NONBLOCK O_NONBLOCK -#elif defined(__mips__) -# define UV__O_NONBLOCK 0x80 -#elif defined(__sparc__) -# define UV__O_NONBLOCK 0x4000 -#else -# define UV__O_NONBLOCK 0x800 -#endif - -#define UV__EFD_CLOEXEC UV__O_CLOEXEC -#define UV__EFD_NONBLOCK UV__O_NONBLOCK - -#define UV__IN_CLOEXEC UV__O_CLOEXEC -#define UV__IN_NONBLOCK UV__O_NONBLOCK - -#define UV__SOCK_CLOEXEC UV__O_CLOEXEC -#if defined(SOCK_NONBLOCK) -# define UV__SOCK_NONBLOCK SOCK_NONBLOCK -#else -# define UV__SOCK_NONBLOCK UV__O_NONBLOCK -#endif - -/* epoll flags */ -#define UV__EPOLL_CLOEXEC UV__O_CLOEXEC -#define UV__EPOLL_CTL_ADD 1 -#define UV__EPOLL_CTL_DEL 2 -#define UV__EPOLL_CTL_MOD 3 - -#define UV__EPOLLIN 1 -#define UV__EPOLLOUT 4 -#define UV__EPOLLERR 8 -#define UV__EPOLLHUP 16 -#define UV__EPOLLRDHUP 0x2000 -#define UV__EPOLLONESHOT 0x40000000 -#define UV__EPOLLET 0x80000000 - -/* inotify flags */ -#define UV__IN_ACCESS 0x001 -#define UV__IN_MODIFY 0x002 -#define UV__IN_ATTRIB 0x004 -#define UV__IN_CLOSE_WRITE 0x008 -#define UV__IN_CLOSE_NOWRITE 0x010 -#define UV__IN_OPEN 0x020 -#define UV__IN_MOVED_FROM 0x040 -#define UV__IN_MOVED_TO 0x080 -#define UV__IN_CREATE 0x100 -#define UV__IN_DELETE 0x200 -#define UV__IN_DELETE_SELF 0x400 -#define UV__IN_MOVE_SELF 0x800 - -#if defined(__x86_64__) -struct uv__epoll_event { - uint32_t events; - uint64_t data; -} __attribute__((packed)); -#else -struct uv__epoll_event { - uint32_t events; - uint64_t data; -}; -#endif - -struct uv__inotify_event { - int32_t wd; - uint32_t mask; - uint32_t cookie; - uint32_t len; - /* char name[0]; */ -}; - -struct uv__mmsghdr { - struct msghdr msg_hdr; - unsigned int msg_len; -}; - -int uv__accept4(int fd, struct sockaddr* addr, socklen_t* addrlen, int flags); -int uv__eventfd(unsigned int count); -int uv__epoll_create(int size); -int uv__epoll_create1(int flags); -int uv__epoll_ctl(int epfd, int op, int fd, struct uv__epoll_event *ev); -int uv__epoll_wait(int epfd, - struct uv__epoll_event* events, - int nevents, - int timeout); -int uv__epoll_pwait(int epfd, - struct uv__epoll_event* events, - int nevents, - int timeout, - uint64_t sigmask); -int uv__eventfd2(unsigned int count, int flags); -int uv__inotify_init(void); -int uv__inotify_init1(int flags); -int uv__inotify_add_watch(int fd, const char* path, uint32_t mask); -int uv__inotify_rm_watch(int fd, int32_t wd); -int uv__pipe2(int pipefd[2], int flags); -int uv__recvmmsg(int fd, - struct uv__mmsghdr* mmsg, - unsigned int vlen, - unsigned int flags, - struct timespec* timeout); -int uv__sendmmsg(int fd, - struct uv__mmsghdr* mmsg, - unsigned int vlen, - unsigned int flags); -int uv__utimesat(int dirfd, - const char* path, - const struct timespec times[2], - int flags); -ssize_t uv__preadv(int fd, const struct iovec *iov, int iovcnt, int64_t offset); -ssize_t uv__pwritev(int fd, const struct iovec *iov, int iovcnt, int64_t offset); -int uv__dup3(int oldfd, int newfd, int flags); - -#endif /* UV_LINUX_SYSCALL_H_ */ diff --git a/3rdparty/libuv/src/unix/loop-watcher.c b/3rdparty/libuv/src/unix/loop-watcher.c deleted file mode 100644 index 340bb0dfa11..00000000000 --- a/3rdparty/libuv/src/unix/loop-watcher.c +++ /dev/null @@ -1,68 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#define UV_LOOP_WATCHER_DEFINE(name, type) \ - int uv_##name##_init(uv_loop_t* loop, uv_##name##_t* handle) { \ - uv__handle_init(loop, (uv_handle_t*)handle, UV_##type); \ - handle->name##_cb = NULL; \ - return 0; \ - } \ - \ - int uv_##name##_start(uv_##name##_t* handle, uv_##name##_cb cb) { \ - if (uv__is_active(handle)) return 0; \ - if (cb == NULL) return -EINVAL; \ - QUEUE_INSERT_HEAD(&handle->loop->name##_handles, &handle->queue); \ - handle->name##_cb = cb; \ - uv__handle_start(handle); \ - return 0; \ - } \ - \ - int uv_##name##_stop(uv_##name##_t* handle) { \ - if (!uv__is_active(handle)) return 0; \ - QUEUE_REMOVE(&handle->queue); \ - uv__handle_stop(handle); \ - return 0; \ - } \ - \ - void uv__run_##name(uv_loop_t* loop) { \ - uv_##name##_t* h; \ - QUEUE queue; \ - QUEUE* q; \ - QUEUE_MOVE(&loop->name##_handles, &queue); \ - while (!QUEUE_EMPTY(&queue)) { \ - q = QUEUE_HEAD(&queue); \ - h = QUEUE_DATA(q, uv_##name##_t, queue); \ - QUEUE_REMOVE(q); \ - QUEUE_INSERT_TAIL(&loop->name##_handles, q); \ - h->name##_cb(h); \ - } \ - } \ - \ - void uv__##name##_close(uv_##name##_t* handle) { \ - uv_##name##_stop(handle); \ - } - -UV_LOOP_WATCHER_DEFINE(prepare, PREPARE) -UV_LOOP_WATCHER_DEFINE(check, CHECK) -UV_LOOP_WATCHER_DEFINE(idle, IDLE) diff --git a/3rdparty/libuv/src/unix/loop.c b/3rdparty/libuv/src/unix/loop.c deleted file mode 100644 index 92e96f09ed0..00000000000 --- a/3rdparty/libuv/src/unix/loop.c +++ /dev/null @@ -1,155 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "tree.h" -#include "internal.h" -#include "heap-inl.h" -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -int uv_loop_init(uv_loop_t* loop) { - int err; - - uv__signal_global_once_init(); - - memset(loop, 0, sizeof(*loop)); - heap_init((struct heap*) &loop->timer_heap); - QUEUE_INIT(&loop->wq); - QUEUE_INIT(&loop->active_reqs); - QUEUE_INIT(&loop->idle_handles); - QUEUE_INIT(&loop->async_handles); - QUEUE_INIT(&loop->check_handles); - QUEUE_INIT(&loop->prepare_handles); - QUEUE_INIT(&loop->handle_queue); - - loop->nfds = 0; - loop->watchers = NULL; - loop->nwatchers = 0; - QUEUE_INIT(&loop->pending_queue); - QUEUE_INIT(&loop->watcher_queue); - - loop->closing_handles = NULL; - uv__update_time(loop); - uv__async_init(&loop->async_watcher); - loop->signal_pipefd[0] = -1; - loop->signal_pipefd[1] = -1; - loop->backend_fd = -1; - loop->emfile_fd = -1; - - loop->timer_counter = 0; - loop->stop_flag = 0; - - err = uv__platform_loop_init(loop); - if (err) - return err; - - err = uv_signal_init(loop, &loop->child_watcher); - if (err) - goto fail_signal_init; - - uv__handle_unref(&loop->child_watcher); - loop->child_watcher.flags |= UV__HANDLE_INTERNAL; - QUEUE_INIT(&loop->process_handles); - - err = uv_rwlock_init(&loop->cloexec_lock); - if (err) - goto fail_rwlock_init; - - err = uv_mutex_init(&loop->wq_mutex); - if (err) - goto fail_mutex_init; - - err = uv_async_init(loop, &loop->wq_async, uv__work_done); - if (err) - goto fail_async_init; - - uv__handle_unref(&loop->wq_async); - loop->wq_async.flags |= UV__HANDLE_INTERNAL; - - return 0; - -fail_async_init: - uv_mutex_destroy(&loop->wq_mutex); - -fail_mutex_init: - uv_rwlock_destroy(&loop->cloexec_lock); - -fail_rwlock_init: - uv__signal_loop_cleanup(loop); - -fail_signal_init: - uv__platform_loop_delete(loop); - - return err; -} - - -void uv__loop_close(uv_loop_t* loop) { - uv__signal_loop_cleanup(loop); - uv__platform_loop_delete(loop); - uv__async_stop(loop, &loop->async_watcher); - - if (loop->emfile_fd != -1) { - uv__close(loop->emfile_fd); - loop->emfile_fd = -1; - } - - if (loop->backend_fd != -1) { - uv__close(loop->backend_fd); - loop->backend_fd = -1; - } - - uv_mutex_lock(&loop->wq_mutex); - assert(QUEUE_EMPTY(&loop->wq) && "thread pool work queue not empty!"); - assert(!uv__has_active_reqs(loop)); - uv_mutex_unlock(&loop->wq_mutex); - uv_mutex_destroy(&loop->wq_mutex); - - /* - * Note that all thread pool stuff is finished at this point and - * it is safe to just destroy rw lock - */ - uv_rwlock_destroy(&loop->cloexec_lock); - -#if 0 - assert(QUEUE_EMPTY(&loop->pending_queue)); - assert(QUEUE_EMPTY(&loop->watcher_queue)); - assert(loop->nfds == 0); -#endif - - uv__free(loop->watchers); - loop->watchers = NULL; - loop->nwatchers = 0; -} - - -int uv__loop_configure(uv_loop_t* loop, uv_loop_option option, va_list ap) { - if (option != UV_LOOP_BLOCK_SIGNAL) - return UV_ENOSYS; - - if (va_arg(ap, int) != SIGPROF) - return UV_EINVAL; - - loop->flags |= UV_LOOP_BLOCK_SIGPROF; - return 0; -} diff --git a/3rdparty/libuv/src/unix/netbsd.c b/3rdparty/libuv/src/unix/netbsd.c deleted file mode 100644 index ca48550f9d9..00000000000 --- a/3rdparty/libuv/src/unix/netbsd.c +++ /dev/null @@ -1,370 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <assert.h> -#include <string.h> -#include <errno.h> - -#include <kvm.h> -#include <paths.h> -#include <ifaddrs.h> -#include <unistd.h> -#include <time.h> -#include <stdlib.h> -#include <fcntl.h> - -#include <net/if.h> -#include <net/if_dl.h> -#include <sys/resource.h> -#include <sys/types.h> -#include <sys/sysctl.h> -#include <uvm/uvm_extern.h> - -#include <unistd.h> -#include <time.h> - -#undef NANOSEC -#define NANOSEC ((uint64_t) 1e9) - -static char *process_title; - - -int uv__platform_loop_init(uv_loop_t* loop) { - return uv__kqueue_init(loop); -} - - -void uv__platform_loop_delete(uv_loop_t* loop) { -} - - -uint64_t uv__hrtime(uv_clocktype_t type) { - struct timespec ts; - clock_gettime(CLOCK_MONOTONIC, &ts); - return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec); -} - - -void uv_loadavg(double avg[3]) { - struct loadavg info; - size_t size = sizeof(info); - int which[] = {CTL_VM, VM_LOADAVG}; - - if (sysctl(which, 2, &info, &size, NULL, 0) == -1) return; - - avg[0] = (double) info.ldavg[0] / info.fscale; - avg[1] = (double) info.ldavg[1] / info.fscale; - avg[2] = (double) info.ldavg[2] / info.fscale; -} - - -int uv_exepath(char* buffer, size_t* size) { - int mib[4]; - size_t cb; - pid_t mypid; - - if (buffer == NULL || size == NULL || *size == 0) - return -EINVAL; - - mypid = getpid(); - mib[0] = CTL_KERN; - mib[1] = KERN_PROC_ARGS; - mib[2] = mypid; - mib[3] = KERN_PROC_ARGV; - - cb = *size; - if (sysctl(mib, 4, buffer, &cb, NULL, 0)) - return -errno; - *size = strlen(buffer); - - return 0; -} - - -uint64_t uv_get_free_memory(void) { - struct uvmexp info; - size_t size = sizeof(info); - int which[] = {CTL_VM, VM_UVMEXP}; - - if (sysctl(which, 2, &info, &size, NULL, 0)) - return -errno; - - return (uint64_t) info.free * sysconf(_SC_PAGESIZE); -} - - -uint64_t uv_get_total_memory(void) { -#if defined(HW_PHYSMEM64) - uint64_t info; - int which[] = {CTL_HW, HW_PHYSMEM64}; -#else - unsigned int info; - int which[] = {CTL_HW, HW_PHYSMEM}; -#endif - size_t size = sizeof(info); - - if (sysctl(which, 2, &info, &size, NULL, 0)) - return -errno; - - return (uint64_t) info; -} - - -char** uv_setup_args(int argc, char** argv) { - process_title = argc ? uv__strdup(argv[0]) : NULL; - return argv; -} - - -int uv_set_process_title(const char* title) { - if (process_title) uv__free(process_title); - - process_title = uv__strdup(title); - setproctitle("%s", title); - - return 0; -} - - -int uv_get_process_title(char* buffer, size_t size) { - if (process_title) { - strncpy(buffer, process_title, size); - } else { - if (size > 0) { - buffer[0] = '\0'; - } - } - - return 0; -} - - -int uv_resident_set_memory(size_t* rss) { - kvm_t *kd = NULL; - struct kinfo_proc2 *kinfo = NULL; - pid_t pid; - int nprocs; - int max_size = sizeof(struct kinfo_proc2); - int page_size; - - page_size = getpagesize(); - pid = getpid(); - - kd = kvm_open(NULL, NULL, NULL, KVM_NO_FILES, "kvm_open"); - - if (kd == NULL) goto error; - - kinfo = kvm_getproc2(kd, KERN_PROC_PID, pid, max_size, &nprocs); - if (kinfo == NULL) goto error; - - *rss = kinfo->p_vm_rssize * page_size; - - kvm_close(kd); - - return 0; - -error: - if (kd) kvm_close(kd); - return -EPERM; -} - - -int uv_uptime(double* uptime) { - time_t now; - struct timeval info; - size_t size = sizeof(info); - static int which[] = {CTL_KERN, KERN_BOOTTIME}; - - if (sysctl(which, 2, &info, &size, NULL, 0)) - return -errno; - - now = time(NULL); - - *uptime = (double)(now - info.tv_sec); - return 0; -} - - -int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { - unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK); - unsigned int multiplier = ((uint64_t)1000L / ticks); - unsigned int cur = 0; - uv_cpu_info_t* cpu_info; - u_int64_t* cp_times; - char model[512]; - u_int64_t cpuspeed; - int numcpus; - size_t size; - int i; - - size = sizeof(model); - if (sysctlbyname("machdep.cpu_brand", &model, &size, NULL, 0) && - sysctlbyname("hw.model", &model, &size, NULL, 0)) { - return -errno; - } - - size = sizeof(numcpus); - if (sysctlbyname("hw.ncpu", &numcpus, &size, NULL, 0)) - return -errno; - *count = numcpus; - - /* Only i386 and amd64 have machdep.tsc_freq */ - size = sizeof(cpuspeed); - if (sysctlbyname("machdep.tsc_freq", &cpuspeed, &size, NULL, 0)) - cpuspeed = 0; - - size = numcpus * CPUSTATES * sizeof(*cp_times); - cp_times = uv__malloc(size); - if (cp_times == NULL) - return -ENOMEM; - - if (sysctlbyname("kern.cp_time", cp_times, &size, NULL, 0)) - return -errno; - - *cpu_infos = uv__malloc(numcpus * sizeof(**cpu_infos)); - if (!(*cpu_infos)) { - uv__free(cp_times); - uv__free(*cpu_infos); - return -ENOMEM; - } - - for (i = 0; i < numcpus; i++) { - cpu_info = &(*cpu_infos)[i]; - cpu_info->cpu_times.user = (uint64_t)(cp_times[CP_USER+cur]) * multiplier; - cpu_info->cpu_times.nice = (uint64_t)(cp_times[CP_NICE+cur]) * multiplier; - cpu_info->cpu_times.sys = (uint64_t)(cp_times[CP_SYS+cur]) * multiplier; - cpu_info->cpu_times.idle = (uint64_t)(cp_times[CP_IDLE+cur]) * multiplier; - cpu_info->cpu_times.irq = (uint64_t)(cp_times[CP_INTR+cur]) * multiplier; - cpu_info->model = uv__strdup(model); - cpu_info->speed = (int)(cpuspeed/(uint64_t) 1e6); - cur += CPUSTATES; - } - uv__free(cp_times); - return 0; -} - - -void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(cpu_infos[i].model); - } - - uv__free(cpu_infos); -} - - -int uv_interface_addresses(uv_interface_address_t** addresses, int* count) { - struct ifaddrs *addrs, *ent; - uv_interface_address_t* address; - int i; - struct sockaddr_dl *sa_addr; - - if (getifaddrs(&addrs)) - return -errno; - - *count = 0; - - /* Count the number of interfaces */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family != PF_INET)) { - continue; - } - (*count)++; - } - - *addresses = uv__malloc(*count * sizeof(**addresses)); - - if (!(*addresses)) { - freeifaddrs(addrs); - return -ENOMEM; - } - - address = *addresses; - - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING))) - continue; - - if (ent->ifa_addr == NULL) - continue; - - if (ent->ifa_addr->sa_family != PF_INET) - continue; - - address->name = uv__strdup(ent->ifa_name); - - if (ent->ifa_addr->sa_family == AF_INET6) { - address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr); - } else { - address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr); - } - - if (ent->ifa_netmask->sa_family == AF_INET6) { - address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask); - } else { - address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask); - } - - address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK); - - address++; - } - - /* Fill in physical addresses for each interface */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family != AF_LINK)) { - continue; - } - - address = *addresses; - - for (i = 0; i < (*count); i++) { - if (strcmp(address->name, ent->ifa_name) == 0) { - sa_addr = (struct sockaddr_dl*)(ent->ifa_addr); - memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr)); - } - address++; - } - } - - freeifaddrs(addrs); - - return 0; -} - - -void uv_free_interface_addresses(uv_interface_address_t* addresses, int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(addresses[i].name); - } - - uv__free(addresses); -} diff --git a/3rdparty/libuv/src/unix/openbsd.c b/3rdparty/libuv/src/unix/openbsd.c deleted file mode 100644 index 6a3909a666c..00000000000 --- a/3rdparty/libuv/src/unix/openbsd.c +++ /dev/null @@ -1,386 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <sys/types.h> -#include <sys/param.h> -#include <sys/resource.h> -#include <sys/sched.h> -#include <sys/time.h> -#include <sys/sysctl.h> - -#include <ifaddrs.h> -#include <net/if.h> -#include <net/if_dl.h> - -#include <errno.h> -#include <fcntl.h> -#include <kvm.h> -#include <paths.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#undef NANOSEC -#define NANOSEC ((uint64_t) 1e9) - - -static char *process_title; - - -int uv__platform_loop_init(uv_loop_t* loop) { - return uv__kqueue_init(loop); -} - - -void uv__platform_loop_delete(uv_loop_t* loop) { -} - - -uint64_t uv__hrtime(uv_clocktype_t type) { - struct timespec ts; - clock_gettime(CLOCK_MONOTONIC, &ts); - return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec); -} - - -void uv_loadavg(double avg[3]) { - struct loadavg info; - size_t size = sizeof(info); - int which[] = {CTL_VM, VM_LOADAVG}; - - if (sysctl(which, 2, &info, &size, NULL, 0) < 0) return; - - avg[0] = (double) info.ldavg[0] / info.fscale; - avg[1] = (double) info.ldavg[1] / info.fscale; - avg[2] = (double) info.ldavg[2] / info.fscale; -} - - -int uv_exepath(char* buffer, size_t* size) { - int mib[4]; - char **argsbuf = NULL; - char **argsbuf_tmp; - size_t argsbuf_size = 100U; - size_t exepath_size; - pid_t mypid; - int err; - - if (buffer == NULL || size == NULL || *size == 0) - return -EINVAL; - - mypid = getpid(); - for (;;) { - err = -ENOMEM; - argsbuf_tmp = uv__realloc(argsbuf, argsbuf_size); - if (argsbuf_tmp == NULL) - goto out; - argsbuf = argsbuf_tmp; - mib[0] = CTL_KERN; - mib[1] = KERN_PROC_ARGS; - mib[2] = mypid; - mib[3] = KERN_PROC_ARGV; - if (sysctl(mib, 4, argsbuf, &argsbuf_size, NULL, 0) == 0) { - break; - } - if (errno != ENOMEM) { - err = -errno; - goto out; - } - argsbuf_size *= 2U; - } - - if (argsbuf[0] == NULL) { - err = -EINVAL; /* FIXME(bnoordhuis) More appropriate error. */ - goto out; - } - - *size -= 1; - exepath_size = strlen(argsbuf[0]); - if (*size > exepath_size) - *size = exepath_size; - - memcpy(buffer, argsbuf[0], *size); - buffer[*size] = '\0'; - err = 0; - -out: - uv__free(argsbuf); - - return err; -} - - -uint64_t uv_get_free_memory(void) { - struct uvmexp info; - size_t size = sizeof(info); - int which[] = {CTL_VM, VM_UVMEXP}; - - if (sysctl(which, 2, &info, &size, NULL, 0)) - return -errno; - - return (uint64_t) info.free * sysconf(_SC_PAGESIZE); -} - - -uint64_t uv_get_total_memory(void) { - uint64_t info; - int which[] = {CTL_HW, HW_PHYSMEM64}; - size_t size = sizeof(info); - - if (sysctl(which, 2, &info, &size, NULL, 0)) - return -errno; - - return (uint64_t) info; -} - - -char** uv_setup_args(int argc, char** argv) { - process_title = argc ? uv__strdup(argv[0]) : NULL; - return argv; -} - - -int uv_set_process_title(const char* title) { - uv__free(process_title); - process_title = uv__strdup(title); - setproctitle(title); - return 0; -} - - -int uv_get_process_title(char* buffer, size_t size) { - if (process_title) { - strncpy(buffer, process_title, size); - } else { - if (size > 0) { - buffer[0] = '\0'; - } - } - - return 0; -} - - -int uv_resident_set_memory(size_t* rss) { - struct kinfo_proc kinfo; - size_t page_size = getpagesize(); - size_t size = sizeof(struct kinfo_proc); - int mib[6]; - - mib[0] = CTL_KERN; - mib[1] = KERN_PROC; - mib[2] = KERN_PROC_PID; - mib[3] = getpid(); - mib[4] = sizeof(struct kinfo_proc); - mib[5] = 1; - - if (sysctl(mib, 6, &kinfo, &size, NULL, 0) < 0) - return -errno; - - *rss = kinfo.p_vm_rssize * page_size; - return 0; -} - - -int uv_uptime(double* uptime) { - time_t now; - struct timeval info; - size_t size = sizeof(info); - static int which[] = {CTL_KERN, KERN_BOOTTIME}; - - if (sysctl(which, 2, &info, &size, NULL, 0)) - return -errno; - - now = time(NULL); - - *uptime = (double)(now - info.tv_sec); - return 0; -} - - -int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { - unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK), - multiplier = ((uint64_t)1000L / ticks), cpuspeed; - uint64_t info[CPUSTATES]; - char model[512]; - int numcpus = 1; - int which[] = {CTL_HW,HW_MODEL,0}; - size_t size; - int i; - uv_cpu_info_t* cpu_info; - - size = sizeof(model); - if (sysctl(which, 2, &model, &size, NULL, 0)) - return -errno; - - which[1] = HW_NCPU; - size = sizeof(numcpus); - if (sysctl(which, 2, &numcpus, &size, NULL, 0)) - return -errno; - - *cpu_infos = uv__malloc(numcpus * sizeof(**cpu_infos)); - if (!(*cpu_infos)) - return -ENOMEM; - - *count = numcpus; - - which[1] = HW_CPUSPEED; - size = sizeof(cpuspeed); - if (sysctl(which, 2, &cpuspeed, &size, NULL, 0)) { - SAVE_ERRNO(uv__free(*cpu_infos)); - return -errno; - } - - size = sizeof(info); - which[0] = CTL_KERN; - which[1] = KERN_CPTIME2; - for (i = 0; i < numcpus; i++) { - which[2] = i; - size = sizeof(info); - if (sysctl(which, 3, &info, &size, NULL, 0)) { - SAVE_ERRNO(uv__free(*cpu_infos)); - return -errno; - } - - cpu_info = &(*cpu_infos)[i]; - - cpu_info->cpu_times.user = (uint64_t)(info[CP_USER]) * multiplier; - cpu_info->cpu_times.nice = (uint64_t)(info[CP_NICE]) * multiplier; - cpu_info->cpu_times.sys = (uint64_t)(info[CP_SYS]) * multiplier; - cpu_info->cpu_times.idle = (uint64_t)(info[CP_IDLE]) * multiplier; - cpu_info->cpu_times.irq = (uint64_t)(info[CP_INTR]) * multiplier; - - cpu_info->model = uv__strdup(model); - cpu_info->speed = cpuspeed; - } - - return 0; -} - - -void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(cpu_infos[i].model); - } - - uv__free(cpu_infos); -} - - -int uv_interface_addresses(uv_interface_address_t** addresses, - int* count) { - struct ifaddrs *addrs, *ent; - uv_interface_address_t* address; - int i; - struct sockaddr_dl *sa_addr; - - if (getifaddrs(&addrs) != 0) - return -errno; - - *count = 0; - - /* Count the number of interfaces */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family != PF_INET)) { - continue; - } - (*count)++; - } - - *addresses = uv__malloc(*count * sizeof(**addresses)); - - if (!(*addresses)) { - freeifaddrs(addrs); - return -ENOMEM; - } - - address = *addresses; - - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING))) - continue; - - if (ent->ifa_addr == NULL) - continue; - - if (ent->ifa_addr->sa_family != PF_INET) - continue; - - address->name = uv__strdup(ent->ifa_name); - - if (ent->ifa_addr->sa_family == AF_INET6) { - address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr); - } else { - address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr); - } - - if (ent->ifa_netmask->sa_family == AF_INET6) { - address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask); - } else { - address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask); - } - - address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK); - - address++; - } - - /* Fill in physical addresses for each interface */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family != AF_LINK)) { - continue; - } - - address = *addresses; - - for (i = 0; i < (*count); i++) { - if (strcmp(address->name, ent->ifa_name) == 0) { - sa_addr = (struct sockaddr_dl*)(ent->ifa_addr); - memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr)); - } - address++; - } - } - - freeifaddrs(addrs); - - return 0; -} - - -void uv_free_interface_addresses(uv_interface_address_t* addresses, - int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(addresses[i].name); - } - - uv__free(addresses); -} diff --git a/3rdparty/libuv/src/unix/pipe.c b/3rdparty/libuv/src/unix/pipe.c deleted file mode 100644 index d4fdfa9d5a5..00000000000 --- a/3rdparty/libuv/src/unix/pipe.c +++ /dev/null @@ -1,289 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <assert.h> -#include <errno.h> -#include <string.h> -#include <sys/un.h> -#include <unistd.h> -#include <stdlib.h> - - -int uv_pipe_init(uv_loop_t* loop, uv_pipe_t* handle, int ipc) { - uv__stream_init(loop, (uv_stream_t*)handle, UV_NAMED_PIPE); - handle->shutdown_req = NULL; - handle->connect_req = NULL; - handle->pipe_fname = NULL; - handle->ipc = ipc; - return 0; -} - - -int uv_pipe_bind(uv_pipe_t* handle, const char* name) { - struct sockaddr_un saddr; - const char* pipe_fname; - int sockfd; - int err; - - pipe_fname = NULL; - sockfd = -1; - - /* Already bound? */ - if (uv__stream_fd(handle) >= 0) - return -EINVAL; - - /* Make a copy of the file name, it outlives this function's scope. */ - pipe_fname = uv__strdup(name); - if (pipe_fname == NULL) - return -ENOMEM; - - /* We've got a copy, don't touch the original any more. */ - name = NULL; - - err = uv__socket(AF_UNIX, SOCK_STREAM, 0); - if (err < 0) - goto err_socket; - sockfd = err; - - memset(&saddr, 0, sizeof saddr); - strncpy(saddr.sun_path, pipe_fname, sizeof(saddr.sun_path) - 1); - saddr.sun_path[sizeof(saddr.sun_path) - 1] = '\0'; - saddr.sun_family = AF_UNIX; - - if (bind(sockfd, (struct sockaddr*)&saddr, sizeof saddr)) { - err = -errno; - /* Convert ENOENT to EACCES for compatibility with Windows. */ - if (err == -ENOENT) - err = -EACCES; - goto err_bind; - } - - /* Success. */ - handle->pipe_fname = pipe_fname; /* Is a strdup'ed copy. */ - handle->io_watcher.fd = sockfd; - return 0; - -err_bind: - uv__close(sockfd); - -err_socket: - uv__free((void*)pipe_fname); - return err; -} - - -int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb) { - if (uv__stream_fd(handle) == -1) - return -EINVAL; - - if (listen(uv__stream_fd(handle), backlog)) - return -errno; - - handle->connection_cb = cb; - handle->io_watcher.cb = uv__server_io; - uv__io_start(handle->loop, &handle->io_watcher, UV__POLLIN); - return 0; -} - - -void uv__pipe_close(uv_pipe_t* handle) { - if (handle->pipe_fname) { - /* - * Unlink the file system entity before closing the file descriptor. - * Doing it the other way around introduces a race where our process - * unlinks a socket with the same name that's just been created by - * another thread or process. - */ - unlink(handle->pipe_fname); - uv__free((void*)handle->pipe_fname); - handle->pipe_fname = NULL; - } - - uv__stream_close((uv_stream_t*)handle); -} - - -int uv_pipe_open(uv_pipe_t* handle, uv_file fd) { - int err; - - err = uv__nonblock(fd, 1); - if (err) - return err; - -#if defined(__APPLE__) - err = uv__stream_try_select((uv_stream_t*) handle, &fd); - if (err) - return err; -#endif /* defined(__APPLE__) */ - - return uv__stream_open((uv_stream_t*)handle, - fd, - UV_STREAM_READABLE | UV_STREAM_WRITABLE); -} - - -void uv_pipe_connect(uv_connect_t* req, - uv_pipe_t* handle, - const char* name, - uv_connect_cb cb) { - struct sockaddr_un saddr; - int new_sock; - int err; - int r; - - new_sock = (uv__stream_fd(handle) == -1); - - if (new_sock) { - err = uv__socket(AF_UNIX, SOCK_STREAM, 0); - if (err < 0) - goto out; - handle->io_watcher.fd = err; - } - - memset(&saddr, 0, sizeof saddr); - strncpy(saddr.sun_path, name, sizeof(saddr.sun_path) - 1); - saddr.sun_path[sizeof(saddr.sun_path) - 1] = '\0'; - saddr.sun_family = AF_UNIX; - - do { - r = connect(uv__stream_fd(handle), - (struct sockaddr*)&saddr, sizeof saddr); - } - while (r == -1 && errno == EINTR); - - if (r == -1 && errno != EINPROGRESS) { - err = -errno; - goto out; - } - - err = 0; - if (new_sock) { - err = uv__stream_open((uv_stream_t*)handle, - uv__stream_fd(handle), - UV_STREAM_READABLE | UV_STREAM_WRITABLE); - } - - if (err == 0) - uv__io_start(handle->loop, &handle->io_watcher, UV__POLLIN | UV__POLLOUT); - -out: - handle->delayed_error = err; - handle->connect_req = req; - - uv__req_init(handle->loop, req, UV_CONNECT); - req->handle = (uv_stream_t*)handle; - req->cb = cb; - QUEUE_INIT(&req->queue); - - /* Force callback to run on next tick in case of error. */ - if (err) - uv__io_feed(handle->loop, &handle->io_watcher); - -} - - -typedef int (*uv__peersockfunc)(int, struct sockaddr*, socklen_t*); - - -static int uv__pipe_getsockpeername(const uv_pipe_t* handle, - uv__peersockfunc func, - char* buffer, - size_t* size) { - struct sockaddr_un sa; - socklen_t addrlen; - int err; - - addrlen = sizeof(sa); - memset(&sa, 0, addrlen); - err = func(uv__stream_fd(handle), (struct sockaddr*) &sa, &addrlen); - if (err < 0) { - *size = 0; - return -errno; - } - -#if defined(__linux__) - if (sa.sun_path[0] == 0) - /* Linux abstract namespace */ - addrlen -= offsetof(struct sockaddr_un, sun_path); - else -#endif - addrlen = strlen(sa.sun_path); - - - if (addrlen >= *size) { - *size = addrlen + 1; - return UV_ENOBUFS; - } - - memcpy(buffer, sa.sun_path, addrlen); - *size = addrlen; - - /* only null-terminate if it's not an abstract socket */ - if (buffer[0] != '\0') - buffer[addrlen] = '\0'; - - return 0; -} - - -int uv_pipe_getsockname(const uv_pipe_t* handle, char* buffer, size_t* size) { - return uv__pipe_getsockpeername(handle, getsockname, buffer, size); -} - - -int uv_pipe_getpeername(const uv_pipe_t* handle, char* buffer, size_t* size) { - return uv__pipe_getsockpeername(handle, getpeername, buffer, size); -} - - -void uv_pipe_pending_instances(uv_pipe_t* handle, int count) { -} - - -int uv_pipe_pending_count(uv_pipe_t* handle) { - uv__stream_queued_fds_t* queued_fds; - - if (!handle->ipc) - return 0; - - if (handle->accepted_fd == -1) - return 0; - - if (handle->queued_fds == NULL) - return 1; - - queued_fds = handle->queued_fds; - return queued_fds->offset + 1; -} - - -uv_handle_type uv_pipe_pending_type(uv_pipe_t* handle) { - if (!handle->ipc) - return UV_UNKNOWN_HANDLE; - - if (handle->accepted_fd == -1) - return UV_UNKNOWN_HANDLE; - else - return uv__handle_type(handle->accepted_fd); -} diff --git a/3rdparty/libuv/src/unix/poll.c b/3rdparty/libuv/src/unix/poll.c deleted file mode 100644 index e5efb17160f..00000000000 --- a/3rdparty/libuv/src/unix/poll.c +++ /dev/null @@ -1,123 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <unistd.h> -#include <assert.h> -#include <errno.h> - - -static void uv__poll_io(uv_loop_t* loop, uv__io_t* w, unsigned int events) { - uv_poll_t* handle; - int pevents; - - handle = container_of(w, uv_poll_t, io_watcher); - - if (events & UV__POLLERR) { - uv__io_stop(loop, w, UV__POLLIN | UV__POLLOUT | UV__POLLRDHUP); - uv__handle_stop(handle); - handle->poll_cb(handle, -EBADF, 0); - return; - } - - pevents = 0; - if (events & UV__POLLIN) - pevents |= UV_READABLE; - if (events & UV__POLLOUT) - pevents |= UV_WRITABLE; - if (events & UV__POLLRDHUP) - pevents |= UV_DISCONNECT; - - handle->poll_cb(handle, 0, pevents); -} - - -int uv_poll_init(uv_loop_t* loop, uv_poll_t* handle, int fd) { - int err; - - err = uv__io_check_fd(loop, fd); - if (err) - return err; - - err = uv__nonblock(fd, 1); - if (err) - return err; - - uv__handle_init(loop, (uv_handle_t*) handle, UV_POLL); - uv__io_init(&handle->io_watcher, uv__poll_io, fd); - handle->poll_cb = NULL; - return 0; -} - - -int uv_poll_init_socket(uv_loop_t* loop, uv_poll_t* handle, - uv_os_sock_t socket) { - return uv_poll_init(loop, handle, socket); -} - - -static void uv__poll_stop(uv_poll_t* handle) { - uv__io_stop(handle->loop, - &handle->io_watcher, - UV__POLLIN | UV__POLLOUT | UV__POLLRDHUP); - uv__handle_stop(handle); -} - - -int uv_poll_stop(uv_poll_t* handle) { - assert(!(handle->flags & (UV_CLOSING | UV_CLOSED))); - uv__poll_stop(handle); - return 0; -} - - -int uv_poll_start(uv_poll_t* handle, int pevents, uv_poll_cb poll_cb) { - int events; - - assert((pevents & ~(UV_READABLE | UV_WRITABLE | UV_DISCONNECT)) == 0); - assert(!(handle->flags & (UV_CLOSING | UV_CLOSED))); - - uv__poll_stop(handle); - - if (pevents == 0) - return 0; - - events = 0; - if (pevents & UV_READABLE) - events |= UV__POLLIN; - if (pevents & UV_WRITABLE) - events |= UV__POLLOUT; - if (pevents & UV_DISCONNECT) - events |= UV__POLLRDHUP; - - uv__io_start(handle->loop, &handle->io_watcher, events); - uv__handle_start(handle); - handle->poll_cb = poll_cb; - - return 0; -} - - -void uv__poll_close(uv_poll_t* handle) { - uv__poll_stop(handle); -} diff --git a/3rdparty/libuv/src/unix/process.c b/3rdparty/libuv/src/unix/process.c deleted file mode 100644 index ef10a3422dc..00000000000 --- a/3rdparty/libuv/src/unix/process.c +++ /dev/null @@ -1,563 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <stdio.h> -#include <stdlib.h> -#include <assert.h> -#include <errno.h> - -#include <sys/types.h> -#include <sys/wait.h> -#include <unistd.h> -#include <fcntl.h> -#include <poll.h> - -#if defined(__APPLE__) && !TARGET_OS_IPHONE -# include <crt_externs.h> -# define environ (*_NSGetEnviron()) -#else -extern char **environ; -#endif - -#ifdef __linux__ -# include <grp.h> -#endif - - -static void uv__chld(uv_signal_t* handle, int signum) { - uv_process_t* process; - uv_loop_t* loop; - int exit_status; - int term_signal; - int status; - pid_t pid; - QUEUE pending; - QUEUE* q; - QUEUE* h; - - assert(signum == SIGCHLD); - - QUEUE_INIT(&pending); - loop = handle->loop; - - h = &loop->process_handles; - q = QUEUE_HEAD(h); - while (q != h) { - process = QUEUE_DATA(q, uv_process_t, queue); - q = QUEUE_NEXT(q); - - do - pid = waitpid(process->pid, &status, WNOHANG); - while (pid == -1 && errno == EINTR); - - if (pid == 0) - continue; - - if (pid == -1) { - if (errno != ECHILD) - abort(); - continue; - } - - process->status = status; - QUEUE_REMOVE(&process->queue); - QUEUE_INSERT_TAIL(&pending, &process->queue); - } - - h = &pending; - q = QUEUE_HEAD(h); - while (q != h) { - process = QUEUE_DATA(q, uv_process_t, queue); - q = QUEUE_NEXT(q); - - QUEUE_REMOVE(&process->queue); - QUEUE_INIT(&process->queue); - uv__handle_stop(process); - - if (process->exit_cb == NULL) - continue; - - exit_status = 0; - if (WIFEXITED(process->status)) - exit_status = WEXITSTATUS(process->status); - - term_signal = 0; - if (WIFSIGNALED(process->status)) - term_signal = WTERMSIG(process->status); - - process->exit_cb(process, exit_status, term_signal); - } - assert(QUEUE_EMPTY(&pending)); -} - - -int uv__make_socketpair(int fds[2], int flags) { -#if defined(__linux__) - static int no_cloexec; - - if (no_cloexec) - goto skip; - - if (socketpair(AF_UNIX, SOCK_STREAM | UV__SOCK_CLOEXEC | flags, 0, fds) == 0) - return 0; - - /* Retry on EINVAL, it means SOCK_CLOEXEC is not supported. - * Anything else is a genuine error. - */ - if (errno != EINVAL) - return -errno; - - no_cloexec = 1; - -skip: -#endif - - if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds)) - return -errno; - - uv__cloexec(fds[0], 1); - uv__cloexec(fds[1], 1); - - if (flags & UV__F_NONBLOCK) { - uv__nonblock(fds[0], 1); - uv__nonblock(fds[1], 1); - } - - return 0; -} - - -int uv__make_pipe(int fds[2], int flags) { -#if defined(__linux__) - static int no_pipe2; - - if (no_pipe2) - goto skip; - - if (uv__pipe2(fds, flags | UV__O_CLOEXEC) == 0) - return 0; - - if (errno != ENOSYS) - return -errno; - - no_pipe2 = 1; - -skip: -#endif - - if (pipe(fds)) - return -errno; - - uv__cloexec(fds[0], 1); - uv__cloexec(fds[1], 1); - - if (flags & UV__F_NONBLOCK) { - uv__nonblock(fds[0], 1); - uv__nonblock(fds[1], 1); - } - - return 0; -} - - -/* - * Used for initializing stdio streams like options.stdin_stream. Returns - * zero on success. See also the cleanup section in uv_spawn(). - */ -static int uv__process_init_stdio(uv_stdio_container_t* container, int fds[2]) { - int mask; - int fd; - - mask = UV_IGNORE | UV_CREATE_PIPE | UV_INHERIT_FD | UV_INHERIT_STREAM; - - switch (container->flags & mask) { - case UV_IGNORE: - return 0; - - case UV_CREATE_PIPE: - assert(container->data.stream != NULL); - if (container->data.stream->type != UV_NAMED_PIPE) - return -EINVAL; - else - return uv__make_socketpair(fds, 0); - - case UV_INHERIT_FD: - case UV_INHERIT_STREAM: - if (container->flags & UV_INHERIT_FD) - fd = container->data.fd; - else - fd = uv__stream_fd(container->data.stream); - - if (fd == -1) - return -EINVAL; - - fds[1] = fd; - return 0; - - default: - assert(0 && "Unexpected flags"); - return -EINVAL; - } -} - - -static int uv__process_open_stream(uv_stdio_container_t* container, - int pipefds[2], - int writable) { - int flags; - int err; - - if (!(container->flags & UV_CREATE_PIPE) || pipefds[0] < 0) - return 0; - - err = uv__close(pipefds[1]); - if (err != 0 && err != -EINPROGRESS) - abort(); - - pipefds[1] = -1; - uv__nonblock(pipefds[0], 1); - - if (container->data.stream->type == UV_NAMED_PIPE && - ((uv_pipe_t*)container->data.stream)->ipc) - flags = UV_STREAM_READABLE | UV_STREAM_WRITABLE; - else if (writable) - flags = UV_STREAM_WRITABLE; - else - flags = UV_STREAM_READABLE; - - return uv__stream_open(container->data.stream, pipefds[0], flags); -} - - -static void uv__process_close_stream(uv_stdio_container_t* container) { - if (!(container->flags & UV_CREATE_PIPE)) return; - uv__stream_close((uv_stream_t*)container->data.stream); -} - - -static void uv__write_int(int fd, int val) { - ssize_t n; - - do - n = write(fd, &val, sizeof(val)); - while (n == -1 && errno == EINTR); - - if (n == -1 && errno == EPIPE) - return; /* parent process has quit */ - - assert(n == sizeof(val)); -} - - -#if !(defined(__APPLE__) && (TARGET_OS_TV || TARGET_OS_WATCH)) -/* execvp is marked __WATCHOS_PROHIBITED __TVOS_PROHIBITED, so must be - * avoided. Since this isn't called on those targets, the function - * doesn't even need to be defined for them. - */ -static void uv__process_child_init(const uv_process_options_t* options, - int stdio_count, - int (*pipes)[2], - int error_fd) { - int close_fd; - int use_fd; - int fd; - - if (options->flags & UV_PROCESS_DETACHED) - setsid(); - - /* First duplicate low numbered fds, since it's not safe to duplicate them, - * they could get replaced. Example: swapping stdout and stderr; without - * this fd 2 (stderr) would be duplicated into fd 1, thus making both - * stdout and stderr go to the same fd, which was not the intention. */ - for (fd = 0; fd < stdio_count; fd++) { - use_fd = pipes[fd][1]; - if (use_fd < 0 || use_fd >= fd) - continue; - pipes[fd][1] = fcntl(use_fd, F_DUPFD, stdio_count); - if (pipes[fd][1] == -1) { - uv__write_int(error_fd, -errno); - _exit(127); - } - } - - for (fd = 0; fd < stdio_count; fd++) { - close_fd = pipes[fd][0]; - use_fd = pipes[fd][1]; - - if (use_fd < 0) { - if (fd >= 3) - continue; - else { - /* redirect stdin, stdout and stderr to /dev/null even if UV_IGNORE is - * set - */ - use_fd = open("/dev/null", fd == 0 ? O_RDONLY : O_RDWR); - close_fd = use_fd; - - if (use_fd == -1) { - uv__write_int(error_fd, -errno); - _exit(127); - } - } - } - - if (fd == use_fd) - uv__cloexec(use_fd, 0); - else - fd = dup2(use_fd, fd); - - if (fd == -1) { - uv__write_int(error_fd, -errno); - _exit(127); - } - - if (fd <= 2) - uv__nonblock(fd, 0); - - if (close_fd >= stdio_count) - uv__close(close_fd); - } - - for (fd = 0; fd < stdio_count; fd++) { - use_fd = pipes[fd][1]; - - if (use_fd >= stdio_count) - uv__close(use_fd); - } - - if (options->cwd != NULL && chdir(options->cwd)) { - uv__write_int(error_fd, -errno); - _exit(127); - } - - if (options->flags & (UV_PROCESS_SETUID | UV_PROCESS_SETGID)) { - /* When dropping privileges from root, the `setgroups` call will - * remove any extraneous groups. If we don't call this, then - * even though our uid has dropped, we may still have groups - * that enable us to do super-user things. This will fail if we - * aren't root, so don't bother checking the return value, this - * is just done as an optimistic privilege dropping function. - */ - SAVE_ERRNO(setgroups(0, NULL)); - } - - if ((options->flags & UV_PROCESS_SETGID) && setgid(options->gid)) { - uv__write_int(error_fd, -errno); - _exit(127); - } - - if ((options->flags & UV_PROCESS_SETUID) && setuid(options->uid)) { - uv__write_int(error_fd, -errno); - _exit(127); - } - - if (options->env != NULL) { - environ = options->env; - } - - execvp(options->file, options->args); - uv__write_int(error_fd, -errno); - _exit(127); -} -#endif - - -int uv_spawn(uv_loop_t* loop, - uv_process_t* process, - const uv_process_options_t* options) { -#if defined(__APPLE__) && (TARGET_OS_TV || TARGET_OS_WATCH) - /* fork is marked __WATCHOS_PROHIBITED __TVOS_PROHIBITED. */ - return -ENOSYS; -#else - int signal_pipe[2] = { -1, -1 }; - int (*pipes)[2]; - int stdio_count; - ssize_t r; - pid_t pid; - int err; - int exec_errorno; - int i; - int status; - - assert(options->file != NULL); - assert(!(options->flags & ~(UV_PROCESS_DETACHED | - UV_PROCESS_SETGID | - UV_PROCESS_SETUID | - UV_PROCESS_WINDOWS_HIDE | - UV_PROCESS_WINDOWS_VERBATIM_ARGUMENTS))); - - uv__handle_init(loop, (uv_handle_t*)process, UV_PROCESS); - QUEUE_INIT(&process->queue); - - stdio_count = options->stdio_count; - if (stdio_count < 3) - stdio_count = 3; - - err = -ENOMEM; - pipes = uv__malloc(stdio_count * sizeof(*pipes)); - if (pipes == NULL) - goto error; - - for (i = 0; i < stdio_count; i++) { - pipes[i][0] = -1; - pipes[i][1] = -1; - } - - for (i = 0; i < options->stdio_count; i++) { - err = uv__process_init_stdio(options->stdio + i, pipes[i]); - if (err) - goto error; - } - - /* This pipe is used by the parent to wait until - * the child has called `execve()`. We need this - * to avoid the following race condition: - * - * if ((pid = fork()) > 0) { - * kill(pid, SIGTERM); - * } - * else if (pid == 0) { - * execve("/bin/cat", argp, envp); - * } - * - * The parent sends a signal immediately after forking. - * Since the child may not have called `execve()` yet, - * there is no telling what process receives the signal, - * our fork or /bin/cat. - * - * To avoid ambiguity, we create a pipe with both ends - * marked close-on-exec. Then, after the call to `fork()`, - * the parent polls the read end until it EOFs or errors with EPIPE. - */ - err = uv__make_pipe(signal_pipe, 0); - if (err) - goto error; - - uv_signal_start(&loop->child_watcher, uv__chld, SIGCHLD); - - /* Acquire write lock to prevent opening new fds in worker threads */ - uv_rwlock_wrlock(&loop->cloexec_lock); - pid = fork(); - - if (pid == -1) { - err = -errno; - uv_rwlock_wrunlock(&loop->cloexec_lock); - uv__close(signal_pipe[0]); - uv__close(signal_pipe[1]); - goto error; - } - - if (pid == 0) { - uv__process_child_init(options, stdio_count, pipes, signal_pipe[1]); - abort(); - } - - /* Release lock in parent process */ - uv_rwlock_wrunlock(&loop->cloexec_lock); - uv__close(signal_pipe[1]); - - process->status = 0; - exec_errorno = 0; - do - r = read(signal_pipe[0], &exec_errorno, sizeof(exec_errorno)); - while (r == -1 && errno == EINTR); - - if (r == 0) - ; /* okay, EOF */ - else if (r == sizeof(exec_errorno)) { - do - err = waitpid(pid, &status, 0); /* okay, read errorno */ - while (err == -1 && errno == EINTR); - assert(err == pid); - } else if (r == -1 && errno == EPIPE) { - do - err = waitpid(pid, &status, 0); /* okay, got EPIPE */ - while (err == -1 && errno == EINTR); - assert(err == pid); - } else - abort(); - - uv__close_nocheckstdio(signal_pipe[0]); - - for (i = 0; i < options->stdio_count; i++) { - err = uv__process_open_stream(options->stdio + i, pipes[i], i == 0); - if (err == 0) - continue; - - while (i--) - uv__process_close_stream(options->stdio + i); - - goto error; - } - - /* Only activate this handle if exec() happened successfully */ - if (exec_errorno == 0) { - QUEUE_INSERT_TAIL(&loop->process_handles, &process->queue); - uv__handle_start(process); - } - - process->pid = pid; - process->exit_cb = options->exit_cb; - - uv__free(pipes); - return exec_errorno; - -error: - if (pipes != NULL) { - for (i = 0; i < stdio_count; i++) { - if (i < options->stdio_count) - if (options->stdio[i].flags & (UV_INHERIT_FD | UV_INHERIT_STREAM)) - continue; - if (pipes[i][0] != -1) - uv__close_nocheckstdio(pipes[i][0]); - if (pipes[i][1] != -1) - uv__close_nocheckstdio(pipes[i][1]); - } - uv__free(pipes); - } - - return err; -#endif -} - - -int uv_process_kill(uv_process_t* process, int signum) { - return uv_kill(process->pid, signum); -} - - -int uv_kill(int pid, int signum) { - if (kill(pid, signum)) - return -errno; - else - return 0; -} - - -void uv__process_close(uv_process_t* handle) { - QUEUE_REMOVE(&handle->queue); - uv__handle_stop(handle); - if (QUEUE_EMPTY(&handle->loop->process_handles)) - uv_signal_stop(&handle->loop->child_watcher); -} diff --git a/3rdparty/libuv/src/unix/proctitle.c b/3rdparty/libuv/src/unix/proctitle.c deleted file mode 100644 index 19214e5ec97..00000000000 --- a/3rdparty/libuv/src/unix/proctitle.c +++ /dev/null @@ -1,102 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <stdlib.h> -#include <string.h> - -extern void uv__set_process_title(const char* title); - -static void* args_mem; - -static struct { - char* str; - size_t len; -} process_title; - - -char** uv_setup_args(int argc, char** argv) { - char** new_argv; - size_t size; - char* s; - int i; - - if (argc <= 0) - return argv; - - /* Calculate how much memory we need for the argv strings. */ - size = 0; - for (i = 0; i < argc; i++) - size += strlen(argv[i]) + 1; - - process_title.str = argv[0]; - process_title.len = argv[argc - 1] + strlen(argv[argc - 1]) - argv[0]; - assert(process_title.len + 1 == size); /* argv memory should be adjacent. */ - - /* Add space for the argv pointers. */ - size += (argc + 1) * sizeof(char*); - - new_argv = uv__malloc(size); - if (new_argv == NULL) - return argv; - args_mem = new_argv; - - /* Copy over the strings and set up the pointer table. */ - s = (char*) &new_argv[argc + 1]; - for (i = 0; i < argc; i++) { - size = strlen(argv[i]) + 1; - memcpy(s, argv[i], size); - new_argv[i] = s; - s += size; - } - new_argv[i] = NULL; - - return new_argv; -} - - -int uv_set_process_title(const char* title) { - if (process_title.len == 0) - return 0; - - /* No need to terminate, byte after is always '\0'. */ - strncpy(process_title.str, title, process_title.len); - uv__set_process_title(title); - - return 0; -} - - -int uv_get_process_title(char* buffer, size_t size) { - if (process_title.len > 0) - strncpy(buffer, process_title.str, size); - else if (size > 0) - buffer[0] = '\0'; - - return 0; -} - - -UV_DESTRUCTOR(static void free_args_mem(void)) { - uv__free(args_mem); /* Keep valgrind happy. */ - args_mem = NULL; -} diff --git a/3rdparty/libuv/src/unix/pthread-fixes.c b/3rdparty/libuv/src/unix/pthread-fixes.c deleted file mode 100644 index 3a71eb5aae7..00000000000 --- a/3rdparty/libuv/src/unix/pthread-fixes.c +++ /dev/null @@ -1,104 +0,0 @@ -/* Copyright (c) 2013, Sony Mobile Communications AB - * Copyright (c) 2012, Google Inc. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are - met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the following disclaimer - in the documentation and/or other materials provided with the - distribution. - * Neither the name of Google Inc. nor the names of its - contributors may be used to endorse or promote products derived from - this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -/* Android versions < 4.1 have a broken pthread_sigmask. - * Note that this block of code must come before any inclusion of - * pthread-fixes.h so that the real pthread_sigmask can be referenced. - * */ -#include <errno.h> -#include <pthread.h> -#include <signal.h> - -int uv__pthread_sigmask(int how, const sigset_t* set, sigset_t* oset) { - static int workaround; - - if (workaround) { - return sigprocmask(how, set, oset); - } else if (pthread_sigmask(how, set, oset)) { - if (errno == EINVAL && sigprocmask(how, set, oset) == 0) { - workaround = 1; - return 0; - } else { - return -1; - } - } else { - return 0; - } -} - -/*Android doesn't provide pthread_barrier_t for now.*/ -#ifndef PTHREAD_BARRIER_SERIAL_THREAD - -#include "pthread-fixes.h" - -int pthread_barrier_init(pthread_barrier_t* barrier, - const void* barrier_attr, - unsigned count) { - barrier->count = count; - pthread_mutex_init(&barrier->mutex, NULL); - pthread_cond_init(&barrier->cond, NULL); - return 0; -} - -int pthread_barrier_wait(pthread_barrier_t* barrier) { - /* Lock the mutex*/ - pthread_mutex_lock(&barrier->mutex); - /* Decrement the count. If this is the first thread to reach 0, wake up - waiters, unlock the mutex, then return PTHREAD_BARRIER_SERIAL_THREAD.*/ - if (--barrier->count == 0) { - /* First thread to reach the barrier */ - pthread_cond_broadcast(&barrier->cond); - pthread_mutex_unlock(&barrier->mutex); - return PTHREAD_BARRIER_SERIAL_THREAD; - } - /* Otherwise, wait for other threads until the count reaches 0, then - return 0 to indicate this is not the first thread.*/ - do { - pthread_cond_wait(&barrier->cond, &barrier->mutex); - } while (barrier->count > 0); - - pthread_mutex_unlock(&barrier->mutex); - return 0; -} - -int pthread_barrier_destroy(pthread_barrier_t *barrier) { - barrier->count = 0; - pthread_cond_destroy(&barrier->cond); - pthread_mutex_destroy(&barrier->mutex); - return 0; -} - -#endif /* defined(PTHREAD_BARRIER_SERIAL_THREAD) */ - -int pthread_yield(void) { - sched_yield(); - return 0; -} diff --git a/3rdparty/libuv/src/unix/signal.c b/3rdparty/libuv/src/unix/signal.c deleted file mode 100644 index edd9085d3f3..00000000000 --- a/3rdparty/libuv/src/unix/signal.c +++ /dev/null @@ -1,467 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <assert.h> -#include <errno.h> -#include <signal.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - - -typedef struct { - uv_signal_t* handle; - int signum; -} uv__signal_msg_t; - -RB_HEAD(uv__signal_tree_s, uv_signal_s); - - -static int uv__signal_unlock(void); -static void uv__signal_event(uv_loop_t* loop, uv__io_t* w, unsigned int events); -static int uv__signal_compare(uv_signal_t* w1, uv_signal_t* w2); -static void uv__signal_stop(uv_signal_t* handle); - - -static pthread_once_t uv__signal_global_init_guard = PTHREAD_ONCE_INIT; -static struct uv__signal_tree_s uv__signal_tree = - RB_INITIALIZER(uv__signal_tree); -static int uv__signal_lock_pipefd[2]; - - -RB_GENERATE_STATIC(uv__signal_tree_s, - uv_signal_s, tree_entry, - uv__signal_compare) - - -static void uv__signal_global_init(void) { - if (uv__make_pipe(uv__signal_lock_pipefd, 0)) - abort(); - - if (uv__signal_unlock()) - abort(); -} - - -void uv__signal_global_once_init(void) { - pthread_once(&uv__signal_global_init_guard, uv__signal_global_init); -} - - - -static int uv__signal_lock(void) { - int r; - char data; - - do { - r = read(uv__signal_lock_pipefd[0], &data, sizeof data); - } while (r < 0 && errno == EINTR); - - return (r < 0) ? -1 : 0; -} - - -static int uv__signal_unlock(void) { - int r; - char data = 42; - - do { - r = write(uv__signal_lock_pipefd[1], &data, sizeof data); - } while (r < 0 && errno == EINTR); - - return (r < 0) ? -1 : 0; -} - - -static void uv__signal_block_and_lock(sigset_t* saved_sigmask) { - sigset_t new_mask; - - if (sigfillset(&new_mask)) - abort(); - - if (pthread_sigmask(SIG_SETMASK, &new_mask, saved_sigmask)) - abort(); - - if (uv__signal_lock()) - abort(); -} - - -static void uv__signal_unlock_and_unblock(sigset_t* saved_sigmask) { - if (uv__signal_unlock()) - abort(); - - if (pthread_sigmask(SIG_SETMASK, saved_sigmask, NULL)) - abort(); -} - - -static uv_signal_t* uv__signal_first_handle(int signum) { - /* This function must be called with the signal lock held. */ - uv_signal_t lookup; - uv_signal_t* handle; - - lookup.signum = signum; - lookup.loop = NULL; - - handle = RB_NFIND(uv__signal_tree_s, &uv__signal_tree, &lookup); - - if (handle != NULL && handle->signum == signum) - return handle; - - return NULL; -} - - -static void uv__signal_handler(int signum) { - uv__signal_msg_t msg; - uv_signal_t* handle; - int saved_errno; - - saved_errno = errno; - memset(&msg, 0, sizeof msg); - - if (uv__signal_lock()) { - errno = saved_errno; - return; - } - - for (handle = uv__signal_first_handle(signum); - handle != NULL && handle->signum == signum; - handle = RB_NEXT(uv__signal_tree_s, &uv__signal_tree, handle)) { - int r; - - msg.signum = signum; - msg.handle = handle; - - /* write() should be atomic for small data chunks, so the entire message - * should be written at once. In theory the pipe could become full, in - * which case the user is out of luck. - */ - do { - r = write(handle->loop->signal_pipefd[1], &msg, sizeof msg); - } while (r == -1 && errno == EINTR); - - assert(r == sizeof msg || - (r == -1 && (errno == EAGAIN || errno == EWOULDBLOCK))); - - if (r != -1) - handle->caught_signals++; - } - - uv__signal_unlock(); - errno = saved_errno; -} - - -static int uv__signal_register_handler(int signum) { - /* When this function is called, the signal lock must be held. */ - struct sigaction sa; - - /* XXX use a separate signal stack? */ - memset(&sa, 0, sizeof(sa)); - if (sigfillset(&sa.sa_mask)) - abort(); - sa.sa_handler = uv__signal_handler; - - /* XXX save old action so we can restore it later on? */ - if (sigaction(signum, &sa, NULL)) - return -errno; - - return 0; -} - - -static void uv__signal_unregister_handler(int signum) { - /* When this function is called, the signal lock must be held. */ - struct sigaction sa; - - memset(&sa, 0, sizeof(sa)); - sa.sa_handler = SIG_DFL; - - /* sigaction can only fail with EINVAL or EFAULT; an attempt to deregister a - * signal implies that it was successfully registered earlier, so EINVAL - * should never happen. - */ - if (sigaction(signum, &sa, NULL)) - abort(); -} - - -static int uv__signal_loop_once_init(uv_loop_t* loop) { - int err; - - /* Return if already initialized. */ - if (loop->signal_pipefd[0] != -1) - return 0; - - err = uv__make_pipe(loop->signal_pipefd, UV__F_NONBLOCK); - if (err) - return err; - - uv__io_init(&loop->signal_io_watcher, - uv__signal_event, - loop->signal_pipefd[0]); - uv__io_start(loop, &loop->signal_io_watcher, UV__POLLIN); - - return 0; -} - - -void uv__signal_loop_cleanup(uv_loop_t* loop) { - QUEUE* q; - - /* Stop all the signal watchers that are still attached to this loop. This - * ensures that the (shared) signal tree doesn't contain any invalid entries - * entries, and that signal handlers are removed when appropriate. - * It's safe to use QUEUE_FOREACH here because the handles and the handle - * queue are not modified by uv__signal_stop(). - */ - QUEUE_FOREACH(q, &loop->handle_queue) { - uv_handle_t* handle = QUEUE_DATA(q, uv_handle_t, handle_queue); - - if (handle->type == UV_SIGNAL) - uv__signal_stop((uv_signal_t*) handle); - } - - if (loop->signal_pipefd[0] != -1) { - uv__close(loop->signal_pipefd[0]); - loop->signal_pipefd[0] = -1; - } - - if (loop->signal_pipefd[1] != -1) { - uv__close(loop->signal_pipefd[1]); - loop->signal_pipefd[1] = -1; - } -} - - -int uv_signal_init(uv_loop_t* loop, uv_signal_t* handle) { - int err; - - err = uv__signal_loop_once_init(loop); - if (err) - return err; - - uv__handle_init(loop, (uv_handle_t*) handle, UV_SIGNAL); - handle->signum = 0; - handle->caught_signals = 0; - handle->dispatched_signals = 0; - - return 0; -} - - -void uv__signal_close(uv_signal_t* handle) { - - uv__signal_stop(handle); - - /* If there are any caught signals "trapped" in the signal pipe, we can't - * call the close callback yet. Otherwise, add the handle to the finish_close - * queue. - */ - if (handle->caught_signals == handle->dispatched_signals) { - uv__make_close_pending((uv_handle_t*) handle); - } -} - - -int uv_signal_start(uv_signal_t* handle, uv_signal_cb signal_cb, int signum) { - sigset_t saved_sigmask; - int err; - - assert(!(handle->flags & (UV_CLOSING | UV_CLOSED))); - - /* If the user supplies signum == 0, then return an error already. If the - * signum is otherwise invalid then uv__signal_register will find out - * eventually. - */ - if (signum == 0) - return -EINVAL; - - /* Short circuit: if the signal watcher is already watching {signum} don't - * go through the process of deregistering and registering the handler. - * Additionally, this avoids pending signals getting lost in the small time - * time frame that handle->signum == 0. - */ - if (signum == handle->signum) { - handle->signal_cb = signal_cb; - return 0; - } - - /* If the signal handler was already active, stop it first. */ - if (handle->signum != 0) { - uv__signal_stop(handle); - } - - uv__signal_block_and_lock(&saved_sigmask); - - /* If at this point there are no active signal watchers for this signum (in - * any of the loops), it's time to try and register a handler for it here. - */ - if (uv__signal_first_handle(signum) == NULL) { - err = uv__signal_register_handler(signum); - if (err) { - /* Registering the signal handler failed. Must be an invalid signal. */ - uv__signal_unlock_and_unblock(&saved_sigmask); - return err; - } - } - - handle->signum = signum; - RB_INSERT(uv__signal_tree_s, &uv__signal_tree, handle); - - uv__signal_unlock_and_unblock(&saved_sigmask); - - handle->signal_cb = signal_cb; - uv__handle_start(handle); - - return 0; -} - - -static void uv__signal_event(uv_loop_t* loop, - uv__io_t* w, - unsigned int events) { - uv__signal_msg_t* msg; - uv_signal_t* handle; - char buf[sizeof(uv__signal_msg_t) * 32]; - size_t bytes, end, i; - int r; - - bytes = 0; - end = 0; - - do { - r = read(loop->signal_pipefd[0], buf + bytes, sizeof(buf) - bytes); - - if (r == -1 && errno == EINTR) - continue; - - if (r == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) { - /* If there are bytes in the buffer already (which really is extremely - * unlikely if possible at all) we can't exit the function here. We'll - * spin until more bytes are read instead. - */ - if (bytes > 0) - continue; - - /* Otherwise, there was nothing there. */ - return; - } - - /* Other errors really should never happen. */ - if (r == -1) - abort(); - - bytes += r; - - /* `end` is rounded down to a multiple of sizeof(uv__signal_msg_t). */ - end = (bytes / sizeof(uv__signal_msg_t)) * sizeof(uv__signal_msg_t); - - for (i = 0; i < end; i += sizeof(uv__signal_msg_t)) { - msg = (uv__signal_msg_t*) (buf + i); - handle = msg->handle; - - if (msg->signum == handle->signum) { - assert(!(handle->flags & UV_CLOSING)); - handle->signal_cb(handle, handle->signum); - } - - handle->dispatched_signals++; - - /* If uv_close was called while there were caught signals that were not - * yet dispatched, the uv__finish_close was deferred. Make close pending - * now if this has happened. - */ - if ((handle->flags & UV_CLOSING) && - (handle->caught_signals == handle->dispatched_signals)) { - uv__make_close_pending((uv_handle_t*) handle); - } - } - - bytes -= end; - - /* If there are any "partial" messages left, move them to the start of the - * the buffer, and spin. This should not happen. - */ - if (bytes) { - memmove(buf, buf + end, bytes); - continue; - } - } while (end == sizeof buf); -} - - -static int uv__signal_compare(uv_signal_t* w1, uv_signal_t* w2) { - /* Compare signums first so all watchers with the same signnum end up - * adjacent. - */ - if (w1->signum < w2->signum) return -1; - if (w1->signum > w2->signum) return 1; - - /* Sort by loop pointer, so we can easily look up the first item after - * { .signum = x, .loop = NULL }. - */ - if (w1->loop < w2->loop) return -1; - if (w1->loop > w2->loop) return 1; - - if (w1 < w2) return -1; - if (w1 > w2) return 1; - - return 0; -} - - -int uv_signal_stop(uv_signal_t* handle) { - assert(!(handle->flags & (UV_CLOSING | UV_CLOSED))); - uv__signal_stop(handle); - return 0; -} - - -static void uv__signal_stop(uv_signal_t* handle) { - uv_signal_t* removed_handle; - sigset_t saved_sigmask; - - /* If the watcher wasn't started, this is a no-op. */ - if (handle->signum == 0) - return; - - uv__signal_block_and_lock(&saved_sigmask); - - removed_handle = RB_REMOVE(uv__signal_tree_s, &uv__signal_tree, handle); - assert(removed_handle == handle); - (void) removed_handle; - - /* Check if there are other active signal watchers observing this signal. If - * not, unregister the signal handler. - */ - if (uv__signal_first_handle(handle->signum) == NULL) - uv__signal_unregister_handler(handle->signum); - - uv__signal_unlock_and_unblock(&saved_sigmask); - - handle->signum = 0; - uv__handle_stop(handle); -} diff --git a/3rdparty/libuv/src/unix/spinlock.h b/3rdparty/libuv/src/unix/spinlock.h deleted file mode 100644 index a20c83cc601..00000000000 --- a/3rdparty/libuv/src/unix/spinlock.h +++ /dev/null @@ -1,53 +0,0 @@ -/* Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef UV_SPINLOCK_H_ -#define UV_SPINLOCK_H_ - -#include "internal.h" /* ACCESS_ONCE, UV_UNUSED */ -#include "atomic-ops.h" - -#define UV_SPINLOCK_INITIALIZER { 0 } - -typedef struct { - int lock; -} uv_spinlock_t; - -UV_UNUSED(static void uv_spinlock_init(uv_spinlock_t* spinlock)); -UV_UNUSED(static void uv_spinlock_lock(uv_spinlock_t* spinlock)); -UV_UNUSED(static void uv_spinlock_unlock(uv_spinlock_t* spinlock)); -UV_UNUSED(static int uv_spinlock_trylock(uv_spinlock_t* spinlock)); - -UV_UNUSED(static void uv_spinlock_init(uv_spinlock_t* spinlock)) { - ACCESS_ONCE(int, spinlock->lock) = 0; -} - -UV_UNUSED(static void uv_spinlock_lock(uv_spinlock_t* spinlock)) { - while (!uv_spinlock_trylock(spinlock)) cpu_relax(); -} - -UV_UNUSED(static void uv_spinlock_unlock(uv_spinlock_t* spinlock)) { - ACCESS_ONCE(int, spinlock->lock) = 0; -} - -UV_UNUSED(static int uv_spinlock_trylock(uv_spinlock_t* spinlock)) { - /* TODO(bnoordhuis) Maybe change to a ticket lock to guarantee fair queueing. - * Not really critical until we have locks that are (frequently) contended - * for by several threads. - */ - return 0 == cmpxchgi(&spinlock->lock, 0, 1); -} - -#endif /* UV_SPINLOCK_H_ */ diff --git a/3rdparty/libuv/src/unix/stream.c b/3rdparty/libuv/src/unix/stream.c deleted file mode 100644 index 9043664dfca..00000000000 --- a/3rdparty/libuv/src/unix/stream.c +++ /dev/null @@ -1,1633 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <errno.h> - -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/uio.h> -#include <sys/un.h> -#include <unistd.h> -#include <limits.h> /* IOV_MAX */ - -#if defined(__APPLE__) -# include <sys/event.h> -# include <sys/time.h> -# include <sys/select.h> - -/* Forward declaration */ -typedef struct uv__stream_select_s uv__stream_select_t; - -struct uv__stream_select_s { - uv_stream_t* stream; - uv_thread_t thread; - uv_sem_t close_sem; - uv_sem_t async_sem; - uv_async_t async; - int events; - int fake_fd; - int int_fd; - int fd; - fd_set* sread; - size_t sread_sz; - fd_set* swrite; - size_t swrite_sz; -}; -#endif /* defined(__APPLE__) */ - -static void uv__stream_connect(uv_stream_t*); -static void uv__write(uv_stream_t* stream); -static void uv__read(uv_stream_t* stream); -static void uv__stream_io(uv_loop_t* loop, uv__io_t* w, unsigned int events); -static void uv__write_callbacks(uv_stream_t* stream); -static size_t uv__write_req_size(uv_write_t* req); - - -void uv__stream_init(uv_loop_t* loop, - uv_stream_t* stream, - uv_handle_type type) { - int err; - - uv__handle_init(loop, (uv_handle_t*)stream, type); - stream->read_cb = NULL; - stream->alloc_cb = NULL; - stream->close_cb = NULL; - stream->connection_cb = NULL; - stream->connect_req = NULL; - stream->shutdown_req = NULL; - stream->accepted_fd = -1; - stream->queued_fds = NULL; - stream->delayed_error = 0; - QUEUE_INIT(&stream->write_queue); - QUEUE_INIT(&stream->write_completed_queue); - stream->write_queue_size = 0; - - if (loop->emfile_fd == -1) { - err = uv__open_cloexec("/dev/null", O_RDONLY); - if (err < 0) - /* In the rare case that "/dev/null" isn't mounted open "/" - * instead. - */ - err = uv__open_cloexec("/", O_RDONLY); - if (err >= 0) - loop->emfile_fd = err; - } - -#if defined(__APPLE__) - stream->select = NULL; -#endif /* defined(__APPLE_) */ - - uv__io_init(&stream->io_watcher, uv__stream_io, -1); -} - - -static void uv__stream_osx_interrupt_select(uv_stream_t* stream) { -#if defined(__APPLE__) - /* Notify select() thread about state change */ - uv__stream_select_t* s; - int r; - - s = stream->select; - if (s == NULL) - return; - - /* Interrupt select() loop - * NOTE: fake_fd and int_fd are socketpair(), thus writing to one will - * emit read event on other side - */ - do - r = write(s->fake_fd, "x", 1); - while (r == -1 && errno == EINTR); - - assert(r == 1); -#else /* !defined(__APPLE__) */ - /* No-op on any other platform */ -#endif /* !defined(__APPLE__) */ -} - - -#if defined(__APPLE__) -static void uv__stream_osx_select(void* arg) { - uv_stream_t* stream; - uv__stream_select_t* s; - char buf[1024]; - int events; - int fd; - int r; - int max_fd; - - stream = arg; - s = stream->select; - fd = s->fd; - - if (fd > s->int_fd) - max_fd = fd; - else - max_fd = s->int_fd; - - while (1) { - /* Terminate on semaphore */ - if (uv_sem_trywait(&s->close_sem) == 0) - break; - - /* Watch fd using select(2) */ - memset(s->sread, 0, s->sread_sz); - memset(s->swrite, 0, s->swrite_sz); - - if (uv__io_active(&stream->io_watcher, UV__POLLIN)) - FD_SET(fd, s->sread); - if (uv__io_active(&stream->io_watcher, UV__POLLOUT)) - FD_SET(fd, s->swrite); - FD_SET(s->int_fd, s->sread); - - /* Wait indefinitely for fd events */ - r = select(max_fd + 1, s->sread, s->swrite, NULL, NULL); - if (r == -1) { - if (errno == EINTR) - continue; - - /* XXX: Possible?! */ - abort(); - } - - /* Ignore timeouts */ - if (r == 0) - continue; - - /* Empty socketpair's buffer in case of interruption */ - if (FD_ISSET(s->int_fd, s->sread)) - while (1) { - r = read(s->int_fd, buf, sizeof(buf)); - - if (r == sizeof(buf)) - continue; - - if (r != -1) - break; - - if (errno == EAGAIN || errno == EWOULDBLOCK) - break; - - if (errno == EINTR) - continue; - - abort(); - } - - /* Handle events */ - events = 0; - if (FD_ISSET(fd, s->sread)) - events |= UV__POLLIN; - if (FD_ISSET(fd, s->swrite)) - events |= UV__POLLOUT; - - assert(events != 0 || FD_ISSET(s->int_fd, s->sread)); - if (events != 0) { - ACCESS_ONCE(int, s->events) = events; - - uv_async_send(&s->async); - uv_sem_wait(&s->async_sem); - - /* Should be processed at this stage */ - assert((s->events == 0) || (stream->flags & UV_CLOSING)); - } - } -} - - -static void uv__stream_osx_select_cb(uv_async_t* handle) { - uv__stream_select_t* s; - uv_stream_t* stream; - int events; - - s = container_of(handle, uv__stream_select_t, async); - stream = s->stream; - - /* Get and reset stream's events */ - events = s->events; - ACCESS_ONCE(int, s->events) = 0; - - assert(events != 0); - assert(events == (events & (UV__POLLIN | UV__POLLOUT))); - - /* Invoke callback on event-loop */ - if ((events & UV__POLLIN) && uv__io_active(&stream->io_watcher, UV__POLLIN)) - uv__stream_io(stream->loop, &stream->io_watcher, UV__POLLIN); - - if ((events & UV__POLLOUT) && uv__io_active(&stream->io_watcher, UV__POLLOUT)) - uv__stream_io(stream->loop, &stream->io_watcher, UV__POLLOUT); - - if (stream->flags & UV_CLOSING) - return; - - /* NOTE: It is important to do it here, otherwise `select()` might be called - * before the actual `uv__read()`, leading to the blocking syscall - */ - uv_sem_post(&s->async_sem); -} - - -static void uv__stream_osx_cb_close(uv_handle_t* async) { - uv__stream_select_t* s; - - s = container_of(async, uv__stream_select_t, async); - uv__free(s); -} - - -int uv__stream_try_select(uv_stream_t* stream, int* fd) { - /* - * kqueue doesn't work with some files from /dev mount on osx. - * select(2) in separate thread for those fds - */ - - struct kevent filter[1]; - struct kevent events[1]; - struct timespec timeout; - uv__stream_select_t* s; - int fds[2]; - int err; - int ret; - int kq; - int old_fd; - int max_fd; - size_t sread_sz; - size_t swrite_sz; - - kq = kqueue(); - if (kq == -1) { - perror("(libuv) kqueue()"); - return -errno; - } - - EV_SET(&filter[0], *fd, EVFILT_READ, EV_ADD | EV_ENABLE, 0, 0, 0); - - /* Use small timeout, because we only want to capture EINVALs */ - timeout.tv_sec = 0; - timeout.tv_nsec = 1; - - ret = kevent(kq, filter, 1, events, 1, &timeout); - uv__close(kq); - - if (ret == -1) - return -errno; - - if (ret == 0 || (events[0].flags & EV_ERROR) == 0 || events[0].data != EINVAL) - return 0; - - /* At this point we definitely know that this fd won't work with kqueue */ - - /* - * Create fds for io watcher and to interrupt the select() loop. - * NOTE: do it ahead of malloc below to allocate enough space for fd_sets - */ - if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds)) - return -errno; - - max_fd = *fd; - if (fds[1] > max_fd) - max_fd = fds[1]; - - sread_sz = ROUND_UP(max_fd + 1, sizeof(uint32_t) * NBBY) / NBBY; - swrite_sz = sread_sz; - - s = uv__malloc(sizeof(*s) + sread_sz + swrite_sz); - if (s == NULL) { - err = -ENOMEM; - goto failed_malloc; - } - - s->events = 0; - s->fd = *fd; - s->sread = (fd_set*) ((char*) s + sizeof(*s)); - s->sread_sz = sread_sz; - s->swrite = (fd_set*) ((char*) s->sread + sread_sz); - s->swrite_sz = swrite_sz; - - err = uv_async_init(stream->loop, &s->async, uv__stream_osx_select_cb); - if (err) - goto failed_async_init; - - s->async.flags |= UV__HANDLE_INTERNAL; - uv__handle_unref(&s->async); - - err = uv_sem_init(&s->close_sem, 0); - if (err != 0) - goto failed_close_sem_init; - - err = uv_sem_init(&s->async_sem, 0); - if (err != 0) - goto failed_async_sem_init; - - s->fake_fd = fds[0]; - s->int_fd = fds[1]; - - old_fd = *fd; - s->stream = stream; - stream->select = s; - *fd = s->fake_fd; - - err = uv_thread_create(&s->thread, uv__stream_osx_select, stream); - if (err != 0) - goto failed_thread_create; - - return 0; - -failed_thread_create: - s->stream = NULL; - stream->select = NULL; - *fd = old_fd; - - uv_sem_destroy(&s->async_sem); - -failed_async_sem_init: - uv_sem_destroy(&s->close_sem); - -failed_close_sem_init: - uv__close(fds[0]); - uv__close(fds[1]); - uv_close((uv_handle_t*) &s->async, uv__stream_osx_cb_close); - return err; - -failed_async_init: - uv__free(s); - -failed_malloc: - uv__close(fds[0]); - uv__close(fds[1]); - - return err; -} -#endif /* defined(__APPLE__) */ - - -int uv__stream_open(uv_stream_t* stream, int fd, int flags) { -#if defined(__APPLE__) - int enable; -#endif - - if (!(stream->io_watcher.fd == -1 || stream->io_watcher.fd == fd)) - return -EBUSY; - - assert(fd >= 0); - stream->flags |= flags; - - if (stream->type == UV_TCP) { - if ((stream->flags & UV_TCP_NODELAY) && uv__tcp_nodelay(fd, 1)) - return -errno; - - /* TODO Use delay the user passed in. */ - if ((stream->flags & UV_TCP_KEEPALIVE) && uv__tcp_keepalive(fd, 1, 60)) - return -errno; - } - -#if defined(__APPLE__) - enable = 1; - if (setsockopt(fd, SOL_SOCKET, SO_OOBINLINE, &enable, sizeof(enable)) && - errno != ENOTSOCK && - errno != EINVAL) { - return -errno; - } -#endif - - stream->io_watcher.fd = fd; - - return 0; -} - - -void uv__stream_flush_write_queue(uv_stream_t* stream, int error) { - uv_write_t* req; - QUEUE* q; - while (!QUEUE_EMPTY(&stream->write_queue)) { - q = QUEUE_HEAD(&stream->write_queue); - QUEUE_REMOVE(q); - - req = QUEUE_DATA(q, uv_write_t, queue); - req->error = error; - - QUEUE_INSERT_TAIL(&stream->write_completed_queue, &req->queue); - } -} - - -void uv__stream_destroy(uv_stream_t* stream) { - assert(!uv__io_active(&stream->io_watcher, UV__POLLIN | UV__POLLOUT)); - assert(stream->flags & UV_CLOSED); - - if (stream->connect_req) { - uv__req_unregister(stream->loop, stream->connect_req); - stream->connect_req->cb(stream->connect_req, -ECANCELED); - stream->connect_req = NULL; - } - - uv__stream_flush_write_queue(stream, -ECANCELED); - uv__write_callbacks(stream); - - if (stream->shutdown_req) { - /* The ECANCELED error code is a lie, the shutdown(2) syscall is a - * fait accompli at this point. Maybe we should revisit this in v0.11. - * A possible reason for leaving it unchanged is that it informs the - * callee that the handle has been destroyed. - */ - uv__req_unregister(stream->loop, stream->shutdown_req); - stream->shutdown_req->cb(stream->shutdown_req, -ECANCELED); - stream->shutdown_req = NULL; - } - - assert(stream->write_queue_size == 0); -} - - -/* Implements a best effort approach to mitigating accept() EMFILE errors. - * We have a spare file descriptor stashed away that we close to get below - * the EMFILE limit. Next, we accept all pending connections and close them - * immediately to signal the clients that we're overloaded - and we are, but - * we still keep on trucking. - * - * There is one caveat: it's not reliable in a multi-threaded environment. - * The file descriptor limit is per process. Our party trick fails if another - * thread opens a file or creates a socket in the time window between us - * calling close() and accept(). - */ -static int uv__emfile_trick(uv_loop_t* loop, int accept_fd) { - int err; - int emfile_fd; - - if (loop->emfile_fd == -1) - return -EMFILE; - - uv__close(loop->emfile_fd); - loop->emfile_fd = -1; - - do { - err = uv__accept(accept_fd); - if (err >= 0) - uv__close(err); - } while (err >= 0 || err == -EINTR); - - emfile_fd = uv__open_cloexec("/", O_RDONLY); - if (emfile_fd >= 0) - loop->emfile_fd = emfile_fd; - - return err; -} - - -#if defined(UV_HAVE_KQUEUE) -# define UV_DEC_BACKLOG(w) w->rcount--; -#else -# define UV_DEC_BACKLOG(w) /* no-op */ -#endif /* defined(UV_HAVE_KQUEUE) */ - - -void uv__server_io(uv_loop_t* loop, uv__io_t* w, unsigned int events) { - uv_stream_t* stream; - int err; - - stream = container_of(w, uv_stream_t, io_watcher); - assert(events == UV__POLLIN); - assert(stream->accepted_fd == -1); - assert(!(stream->flags & UV_CLOSING)); - - uv__io_start(stream->loop, &stream->io_watcher, UV__POLLIN); - - /* connection_cb can close the server socket while we're - * in the loop so check it on each iteration. - */ - while (uv__stream_fd(stream) != -1) { - assert(stream->accepted_fd == -1); - -#if defined(UV_HAVE_KQUEUE) - if (w->rcount <= 0) - return; -#endif /* defined(UV_HAVE_KQUEUE) */ - - err = uv__accept(uv__stream_fd(stream)); - if (err < 0) { - if (err == -EAGAIN || err == -EWOULDBLOCK) - return; /* Not an error. */ - - if (err == -ECONNABORTED) - continue; /* Ignore. Nothing we can do about that. */ - - if (err == -EMFILE || err == -ENFILE) { - err = uv__emfile_trick(loop, uv__stream_fd(stream)); - if (err == -EAGAIN || err == -EWOULDBLOCK) - break; - } - - stream->connection_cb(stream, err); - continue; - } - - UV_DEC_BACKLOG(w) - stream->accepted_fd = err; - stream->connection_cb(stream, 0); - - if (stream->accepted_fd != -1) { - /* The user hasn't yet accepted called uv_accept() */ - uv__io_stop(loop, &stream->io_watcher, UV__POLLIN); - return; - } - - if (stream->type == UV_TCP && (stream->flags & UV_TCP_SINGLE_ACCEPT)) { - /* Give other processes a chance to accept connections. */ - struct timespec timeout = { 0, 1 }; - nanosleep(&timeout, NULL); - } - } -} - - -#undef UV_DEC_BACKLOG - - -int uv_accept(uv_stream_t* server, uv_stream_t* client) { - int err; - - /* TODO document this */ - assert(server->loop == client->loop); - - if (server->accepted_fd == -1) - return -EAGAIN; - - switch (client->type) { - case UV_NAMED_PIPE: - case UV_TCP: - err = uv__stream_open(client, - server->accepted_fd, - UV_STREAM_READABLE | UV_STREAM_WRITABLE); - if (err) { - /* TODO handle error */ - uv__close(server->accepted_fd); - goto done; - } - break; - - case UV_UDP: - err = uv_udp_open((uv_udp_t*) client, server->accepted_fd); - if (err) { - uv__close(server->accepted_fd); - goto done; - } - break; - - default: - return -EINVAL; - } - -done: - /* Process queued fds */ - if (server->queued_fds != NULL) { - uv__stream_queued_fds_t* queued_fds; - - queued_fds = server->queued_fds; - - /* Read first */ - server->accepted_fd = queued_fds->fds[0]; - - /* All read, free */ - assert(queued_fds->offset > 0); - if (--queued_fds->offset == 0) { - uv__free(queued_fds); - server->queued_fds = NULL; - } else { - /* Shift rest */ - memmove(queued_fds->fds, - queued_fds->fds + 1, - queued_fds->offset * sizeof(*queued_fds->fds)); - } - } else { - server->accepted_fd = -1; - if (err == 0) - uv__io_start(server->loop, &server->io_watcher, UV__POLLIN); - } - return err; -} - - -int uv_listen(uv_stream_t* stream, int backlog, uv_connection_cb cb) { - int err; - - switch (stream->type) { - case UV_TCP: - err = uv_tcp_listen((uv_tcp_t*)stream, backlog, cb); - break; - - case UV_NAMED_PIPE: - err = uv_pipe_listen((uv_pipe_t*)stream, backlog, cb); - break; - - default: - err = -EINVAL; - } - - if (err == 0) - uv__handle_start(stream); - - return err; -} - - -static void uv__drain(uv_stream_t* stream) { - uv_shutdown_t* req; - int err; - - assert(QUEUE_EMPTY(&stream->write_queue)); - uv__io_stop(stream->loop, &stream->io_watcher, UV__POLLOUT); - uv__stream_osx_interrupt_select(stream); - - /* Shutdown? */ - if ((stream->flags & UV_STREAM_SHUTTING) && - !(stream->flags & UV_CLOSING) && - !(stream->flags & UV_STREAM_SHUT)) { - assert(stream->shutdown_req); - - req = stream->shutdown_req; - stream->shutdown_req = NULL; - stream->flags &= ~UV_STREAM_SHUTTING; - uv__req_unregister(stream->loop, req); - - err = 0; - if (shutdown(uv__stream_fd(stream), SHUT_WR)) - err = -errno; - - if (err == 0) - stream->flags |= UV_STREAM_SHUT; - - if (req->cb != NULL) - req->cb(req, err); - } -} - - -static size_t uv__write_req_size(uv_write_t* req) { - size_t size; - - assert(req->bufs != NULL); - size = uv__count_bufs(req->bufs + req->write_index, - req->nbufs - req->write_index); - assert(req->handle->write_queue_size >= size); - - return size; -} - - -static void uv__write_req_finish(uv_write_t* req) { - uv_stream_t* stream = req->handle; - - /* Pop the req off tcp->write_queue. */ - QUEUE_REMOVE(&req->queue); - - /* Only free when there was no error. On error, we touch up write_queue_size - * right before making the callback. The reason we don't do that right away - * is that a write_queue_size > 0 is our only way to signal to the user that - * they should stop writing - which they should if we got an error. Something - * to revisit in future revisions of the libuv API. - */ - if (req->error == 0) { - if (req->bufs != req->bufsml) - uv__free(req->bufs); - req->bufs = NULL; - } - - /* Add it to the write_completed_queue where it will have its - * callback called in the near future. - */ - QUEUE_INSERT_TAIL(&stream->write_completed_queue, &req->queue); - uv__io_feed(stream->loop, &stream->io_watcher); -} - - -static int uv__handle_fd(uv_handle_t* handle) { - switch (handle->type) { - case UV_NAMED_PIPE: - case UV_TCP: - return ((uv_stream_t*) handle)->io_watcher.fd; - - case UV_UDP: - return ((uv_udp_t*) handle)->io_watcher.fd; - - default: - return -1; - } -} - -static void uv__write(uv_stream_t* stream) { - struct iovec* iov; - QUEUE* q; - uv_write_t* req; - int iovmax; - int iovcnt; - ssize_t n; - -start: - - assert(uv__stream_fd(stream) >= 0); - - if (QUEUE_EMPTY(&stream->write_queue)) - return; - - q = QUEUE_HEAD(&stream->write_queue); - req = QUEUE_DATA(q, uv_write_t, queue); - assert(req->handle == stream); - - /* - * Cast to iovec. We had to have our own uv_buf_t instead of iovec - * because Windows's WSABUF is not an iovec. - */ - assert(sizeof(uv_buf_t) == sizeof(struct iovec)); - iov = (struct iovec*) &(req->bufs[req->write_index]); - iovcnt = req->nbufs - req->write_index; - - iovmax = uv__getiovmax(); - - /* Limit iov count to avoid EINVALs from writev() */ - if (iovcnt > iovmax) - iovcnt = iovmax; - - /* - * Now do the actual writev. Note that we've been updating the pointers - * inside the iov each time we write. So there is no need to offset it. - */ - - if (req->send_handle) { - struct msghdr msg; - struct cmsghdr *cmsg; - int fd_to_send = uv__handle_fd((uv_handle_t*) req->send_handle); - char scratch[64] = {0}; - - assert(fd_to_send >= 0); - - msg.msg_name = NULL; - msg.msg_namelen = 0; - msg.msg_iov = iov; - msg.msg_iovlen = iovcnt; - msg.msg_flags = 0; - - msg.msg_control = (void*) scratch; - msg.msg_controllen = CMSG_SPACE(sizeof(fd_to_send)); - - cmsg = CMSG_FIRSTHDR(&msg); - cmsg->cmsg_level = SOL_SOCKET; - cmsg->cmsg_type = SCM_RIGHTS; - cmsg->cmsg_len = CMSG_LEN(sizeof(fd_to_send)); - - /* silence aliasing warning */ - { - void* pv = CMSG_DATA(cmsg); - int* pi = pv; - *pi = fd_to_send; - } - - do { - n = sendmsg(uv__stream_fd(stream), &msg, 0); - } -#if defined(__APPLE__) - /* - * Due to a possible kernel bug at least in OS X 10.10 "Yosemite", - * EPROTOTYPE can be returned while trying to write to a socket that is - * shutting down. If we retry the write, we should get the expected EPIPE - * instead. - */ - while (n == -1 && (errno == EINTR || errno == EPROTOTYPE)); -#else - while (n == -1 && errno == EINTR); -#endif - } else { - do { - if (iovcnt == 1) { - n = write(uv__stream_fd(stream), iov[0].iov_base, iov[0].iov_len); - } else { - n = writev(uv__stream_fd(stream), iov, iovcnt); - } - } -#if defined(__APPLE__) - /* - * Due to a possible kernel bug at least in OS X 10.10 "Yosemite", - * EPROTOTYPE can be returned while trying to write to a socket that is - * shutting down. If we retry the write, we should get the expected EPIPE - * instead. - */ - while (n == -1 && (errno == EINTR || errno == EPROTOTYPE)); -#else - while (n == -1 && errno == EINTR); -#endif - } - - if (n < 0) { - if (errno != EAGAIN && errno != EWOULDBLOCK) { - /* Error */ - req->error = -errno; - uv__write_req_finish(req); - uv__io_stop(stream->loop, &stream->io_watcher, UV__POLLOUT); - if (!uv__io_active(&stream->io_watcher, UV__POLLIN)) - uv__handle_stop(stream); - uv__stream_osx_interrupt_select(stream); - return; - } else if (stream->flags & UV_STREAM_BLOCKING) { - /* If this is a blocking stream, try again. */ - goto start; - } - } else { - /* Successful write */ - - while (n >= 0) { - uv_buf_t* buf = &(req->bufs[req->write_index]); - size_t len = buf->len; - - assert(req->write_index < req->nbufs); - - if ((size_t)n < len) { - buf->base += n; - buf->len -= n; - stream->write_queue_size -= n; - n = 0; - - /* There is more to write. */ - if (stream->flags & UV_STREAM_BLOCKING) { - /* - * If we're blocking then we should not be enabling the write - * watcher - instead we need to try again. - */ - goto start; - } else { - /* Break loop and ensure the watcher is pending. */ - break; - } - - } else { - /* Finished writing the buf at index req->write_index. */ - req->write_index++; - - assert((size_t)n >= len); - n -= len; - - assert(stream->write_queue_size >= len); - stream->write_queue_size -= len; - - if (req->write_index == req->nbufs) { - /* Then we're done! */ - assert(n == 0); - uv__write_req_finish(req); - /* TODO: start trying to write the next request. */ - return; - } - } - } - } - - /* Either we've counted n down to zero or we've got EAGAIN. */ - assert(n == 0 || n == -1); - - /* Only non-blocking streams should use the write_watcher. */ - assert(!(stream->flags & UV_STREAM_BLOCKING)); - - /* We're not done. */ - uv__io_start(stream->loop, &stream->io_watcher, UV__POLLOUT); - - /* Notify select() thread about state change */ - uv__stream_osx_interrupt_select(stream); -} - - -static void uv__write_callbacks(uv_stream_t* stream) { - uv_write_t* req; - QUEUE* q; - - while (!QUEUE_EMPTY(&stream->write_completed_queue)) { - /* Pop a req off write_completed_queue. */ - q = QUEUE_HEAD(&stream->write_completed_queue); - req = QUEUE_DATA(q, uv_write_t, queue); - QUEUE_REMOVE(q); - uv__req_unregister(stream->loop, req); - - if (req->bufs != NULL) { - stream->write_queue_size -= uv__write_req_size(req); - if (req->bufs != req->bufsml) - uv__free(req->bufs); - req->bufs = NULL; - } - - /* NOTE: call callback AFTER freeing the request data. */ - if (req->cb) - req->cb(req, req->error); - } - - assert(QUEUE_EMPTY(&stream->write_completed_queue)); -} - - -uv_handle_type uv__handle_type(int fd) { - struct sockaddr_storage ss; - socklen_t sslen; - socklen_t len; - int type; - - memset(&ss, 0, sizeof(ss)); - sslen = sizeof(ss); - - if (getsockname(fd, (struct sockaddr*)&ss, &sslen)) - return UV_UNKNOWN_HANDLE; - - len = sizeof type; - - if (getsockopt(fd, SOL_SOCKET, SO_TYPE, &type, &len)) - return UV_UNKNOWN_HANDLE; - - if (type == SOCK_STREAM) { -#if defined(_AIX) - /* on AIX the getsockname call returns an empty sa structure - * for sockets of type AF_UNIX. For all other types it will - * return a properly filled in structure. - */ - if (sslen == 0) - return UV_NAMED_PIPE; -#endif - switch (ss.ss_family) { - case AF_UNIX: - return UV_NAMED_PIPE; - case AF_INET: - case AF_INET6: - return UV_TCP; - } - } - - if (type == SOCK_DGRAM && - (ss.ss_family == AF_INET || ss.ss_family == AF_INET6)) - return UV_UDP; - - return UV_UNKNOWN_HANDLE; -} - - -static void uv__stream_eof(uv_stream_t* stream, const uv_buf_t* buf) { - stream->flags |= UV_STREAM_READ_EOF; - uv__io_stop(stream->loop, &stream->io_watcher, UV__POLLIN); - if (!uv__io_active(&stream->io_watcher, UV__POLLOUT)) - uv__handle_stop(stream); - uv__stream_osx_interrupt_select(stream); - stream->read_cb(stream, UV_EOF, buf); - stream->flags &= ~UV_STREAM_READING; -} - - -static int uv__stream_queue_fd(uv_stream_t* stream, int fd) { - uv__stream_queued_fds_t* queued_fds; - unsigned int queue_size; - - queued_fds = stream->queued_fds; - if (queued_fds == NULL) { - queue_size = 8; - queued_fds = uv__malloc((queue_size - 1) * sizeof(*queued_fds->fds) + - sizeof(*queued_fds)); - if (queued_fds == NULL) - return -ENOMEM; - queued_fds->size = queue_size; - queued_fds->offset = 0; - stream->queued_fds = queued_fds; - - /* Grow */ - } else if (queued_fds->size == queued_fds->offset) { - queue_size = queued_fds->size + 8; - queued_fds = uv__realloc(queued_fds, - (queue_size - 1) * sizeof(*queued_fds->fds) + - sizeof(*queued_fds)); - - /* - * Allocation failure, report back. - * NOTE: if it is fatal - sockets will be closed in uv__stream_close - */ - if (queued_fds == NULL) - return -ENOMEM; - queued_fds->size = queue_size; - stream->queued_fds = queued_fds; - } - - /* Put fd in a queue */ - queued_fds->fds[queued_fds->offset++] = fd; - - return 0; -} - - -#define UV__CMSG_FD_COUNT 64 -#define UV__CMSG_FD_SIZE (UV__CMSG_FD_COUNT * sizeof(int)) - - -static int uv__stream_recv_cmsg(uv_stream_t* stream, struct msghdr* msg) { - struct cmsghdr* cmsg; - - for (cmsg = CMSG_FIRSTHDR(msg); cmsg != NULL; cmsg = CMSG_NXTHDR(msg, cmsg)) { - char* start; - char* end; - int err; - void* pv; - int* pi; - unsigned int i; - unsigned int count; - - if (cmsg->cmsg_type != SCM_RIGHTS) { - fprintf(stderr, "ignoring non-SCM_RIGHTS ancillary data: %d\n", - cmsg->cmsg_type); - continue; - } - - /* silence aliasing warning */ - pv = CMSG_DATA(cmsg); - pi = pv; - - /* Count available fds */ - start = (char*) cmsg; - end = (char*) cmsg + cmsg->cmsg_len; - count = 0; - while (start + CMSG_LEN(count * sizeof(*pi)) < end) - count++; - assert(start + CMSG_LEN(count * sizeof(*pi)) == end); - - for (i = 0; i < count; i++) { - /* Already has accepted fd, queue now */ - if (stream->accepted_fd != -1) { - err = uv__stream_queue_fd(stream, pi[i]); - if (err != 0) { - /* Close rest */ - for (; i < count; i++) - uv__close(pi[i]); - return err; - } - } else { - stream->accepted_fd = pi[i]; - } - } - } - - return 0; -} - - -#ifdef __clang__ -# pragma clang diagnostic push -# pragma clang diagnostic ignored "-Wgnu-folding-constant" -#endif - -static void uv__read(uv_stream_t* stream) { - uv_buf_t buf; - ssize_t nread; - struct msghdr msg; - char cmsg_space[CMSG_SPACE(UV__CMSG_FD_SIZE)]; - int count; - int err; - int is_ipc; - - stream->flags &= ~UV_STREAM_READ_PARTIAL; - - /* Prevent loop starvation when the data comes in as fast as (or faster than) - * we can read it. XXX Need to rearm fd if we switch to edge-triggered I/O. - */ - count = 32; - - is_ipc = stream->type == UV_NAMED_PIPE && ((uv_pipe_t*) stream)->ipc; - - /* XXX: Maybe instead of having UV_STREAM_READING we just test if - * tcp->read_cb is NULL or not? - */ - while (stream->read_cb - && (stream->flags & UV_STREAM_READING) - && (count-- > 0)) { - assert(stream->alloc_cb != NULL); - - stream->alloc_cb((uv_handle_t*)stream, 64 * 1024, &buf); - if (buf.len == 0) { - /* User indicates it can't or won't handle the read. */ - stream->read_cb(stream, UV_ENOBUFS, &buf); - return; - } - - assert(buf.base != NULL); - assert(uv__stream_fd(stream) >= 0); - - if (!is_ipc) { - do { - nread = read(uv__stream_fd(stream), buf.base, buf.len); - } - while (nread < 0 && errno == EINTR); - } else { - /* ipc uses recvmsg */ - msg.msg_flags = 0; - msg.msg_iov = (struct iovec*) &buf; - msg.msg_iovlen = 1; - msg.msg_name = NULL; - msg.msg_namelen = 0; - /* Set up to receive a descriptor even if one isn't in the message */ - msg.msg_controllen = sizeof(cmsg_space); - msg.msg_control = cmsg_space; - - do { - nread = uv__recvmsg(uv__stream_fd(stream), &msg, 0); - } - while (nread < 0 && errno == EINTR); - } - - if (nread < 0) { - /* Error */ - if (errno == EAGAIN || errno == EWOULDBLOCK) { - /* Wait for the next one. */ - if (stream->flags & UV_STREAM_READING) { - uv__io_start(stream->loop, &stream->io_watcher, UV__POLLIN); - uv__stream_osx_interrupt_select(stream); - } - stream->read_cb(stream, 0, &buf); - } else { - /* Error. User should call uv_close(). */ - stream->read_cb(stream, -errno, &buf); - if (stream->flags & UV_STREAM_READING) { - stream->flags &= ~UV_STREAM_READING; - uv__io_stop(stream->loop, &stream->io_watcher, UV__POLLIN); - if (!uv__io_active(&stream->io_watcher, UV__POLLOUT)) - uv__handle_stop(stream); - uv__stream_osx_interrupt_select(stream); - } - } - return; - } else if (nread == 0) { - uv__stream_eof(stream, &buf); - return; - } else { - /* Successful read */ - ssize_t buflen = buf.len; - - if (is_ipc) { - err = uv__stream_recv_cmsg(stream, &msg); - if (err != 0) { - stream->read_cb(stream, err, &buf); - return; - } - } - stream->read_cb(stream, nread, &buf); - - /* Return if we didn't fill the buffer, there is no more data to read. */ - if (nread < buflen) { - stream->flags |= UV_STREAM_READ_PARTIAL; - return; - } - } - } -} - - -#ifdef __clang__ -# pragma clang diagnostic pop -#endif - -#undef UV__CMSG_FD_COUNT -#undef UV__CMSG_FD_SIZE - - -int uv_shutdown(uv_shutdown_t* req, uv_stream_t* stream, uv_shutdown_cb cb) { - assert((stream->type == UV_TCP || stream->type == UV_NAMED_PIPE) && - "uv_shutdown (unix) only supports uv_handle_t right now"); - - if (!(stream->flags & UV_STREAM_WRITABLE) || - stream->flags & UV_STREAM_SHUT || - stream->flags & UV_STREAM_SHUTTING || - stream->flags & UV_CLOSED || - stream->flags & UV_CLOSING) { - return -ENOTCONN; - } - - assert(uv__stream_fd(stream) >= 0); - - /* Initialize request */ - uv__req_init(stream->loop, req, UV_SHUTDOWN); - req->handle = stream; - req->cb = cb; - stream->shutdown_req = req; - stream->flags |= UV_STREAM_SHUTTING; - - uv__io_start(stream->loop, &stream->io_watcher, UV__POLLOUT); - uv__stream_osx_interrupt_select(stream); - - return 0; -} - - -static void uv__stream_io(uv_loop_t* loop, uv__io_t* w, unsigned int events) { - uv_stream_t* stream; - - stream = container_of(w, uv_stream_t, io_watcher); - - assert(stream->type == UV_TCP || - stream->type == UV_NAMED_PIPE || - stream->type == UV_TTY); - assert(!(stream->flags & UV_CLOSING)); - - if (stream->connect_req) { - uv__stream_connect(stream); - return; - } - - assert(uv__stream_fd(stream) >= 0); - - /* Ignore POLLHUP here. Even it it's set, there may still be data to read. */ - if (events & (UV__POLLIN | UV__POLLERR | UV__POLLHUP)) - uv__read(stream); - - if (uv__stream_fd(stream) == -1) - return; /* read_cb closed stream. */ - - /* Short-circuit iff POLLHUP is set, the user is still interested in read - * events and uv__read() reported a partial read but not EOF. If the EOF - * flag is set, uv__read() called read_cb with err=UV_EOF and we don't - * have to do anything. If the partial read flag is not set, we can't - * report the EOF yet because there is still data to read. - */ - if ((events & UV__POLLHUP) && - (stream->flags & UV_STREAM_READING) && - (stream->flags & UV_STREAM_READ_PARTIAL) && - !(stream->flags & UV_STREAM_READ_EOF)) { - uv_buf_t buf = { NULL, 0 }; - uv__stream_eof(stream, &buf); - } - - if (uv__stream_fd(stream) == -1) - return; /* read_cb closed stream. */ - - if (events & (UV__POLLOUT | UV__POLLERR | UV__POLLHUP)) { - uv__write(stream); - uv__write_callbacks(stream); - - /* Write queue drained. */ - if (QUEUE_EMPTY(&stream->write_queue)) - uv__drain(stream); - } -} - - -/** - * We get called here from directly following a call to connect(2). - * In order to determine if we've errored out or succeeded must call - * getsockopt. - */ -static void uv__stream_connect(uv_stream_t* stream) { - int error; - uv_connect_t* req = stream->connect_req; - socklen_t errorsize = sizeof(int); - - assert(stream->type == UV_TCP || stream->type == UV_NAMED_PIPE); - assert(req); - - if (stream->delayed_error) { - /* To smooth over the differences between unixes errors that - * were reported synchronously on the first connect can be delayed - * until the next tick--which is now. - */ - error = stream->delayed_error; - stream->delayed_error = 0; - } else { - /* Normal situation: we need to get the socket error from the kernel. */ - assert(uv__stream_fd(stream) >= 0); - getsockopt(uv__stream_fd(stream), - SOL_SOCKET, - SO_ERROR, - &error, - &errorsize); - error = -error; - } - - if (error == -EINPROGRESS) - return; - - stream->connect_req = NULL; - uv__req_unregister(stream->loop, req); - - if (error < 0 || QUEUE_EMPTY(&stream->write_queue)) { - uv__io_stop(stream->loop, &stream->io_watcher, UV__POLLOUT); - } - - if (req->cb) - req->cb(req, error); - - if (uv__stream_fd(stream) == -1) - return; - - if (error < 0) { - uv__stream_flush_write_queue(stream, -ECANCELED); - uv__write_callbacks(stream); - } -} - - -int uv_write2(uv_write_t* req, - uv_stream_t* stream, - const uv_buf_t bufs[], - unsigned int nbufs, - uv_stream_t* send_handle, - uv_write_cb cb) { - int empty_queue; - - assert(nbufs > 0); - assert((stream->type == UV_TCP || - stream->type == UV_NAMED_PIPE || - stream->type == UV_TTY) && - "uv_write (unix) does not yet support other types of streams"); - - if (uv__stream_fd(stream) < 0) - return -EBADF; - - if (send_handle) { - if (stream->type != UV_NAMED_PIPE || !((uv_pipe_t*)stream)->ipc) - return -EINVAL; - - /* XXX We abuse uv_write2() to send over UDP handles to child processes. - * Don't call uv__stream_fd() on those handles, it's a macro that on OS X - * evaluates to a function that operates on a uv_stream_t with a couple of - * OS X specific fields. On other Unices it does (handle)->io_watcher.fd, - * which works but only by accident. - */ - if (uv__handle_fd((uv_handle_t*) send_handle) < 0) - return -EBADF; - } - - /* It's legal for write_queue_size > 0 even when the write_queue is empty; - * it means there are error-state requests in the write_completed_queue that - * will touch up write_queue_size later, see also uv__write_req_finish(). - * We could check that write_queue is empty instead but that implies making - * a write() syscall when we know that the handle is in error mode. - */ - empty_queue = (stream->write_queue_size == 0); - - /* Initialize the req */ - uv__req_init(stream->loop, req, UV_WRITE); - req->cb = cb; - req->handle = stream; - req->error = 0; - req->send_handle = send_handle; - QUEUE_INIT(&req->queue); - - req->bufs = req->bufsml; - if (nbufs > ARRAY_SIZE(req->bufsml)) - req->bufs = uv__malloc(nbufs * sizeof(bufs[0])); - - if (req->bufs == NULL) - return -ENOMEM; - - memcpy(req->bufs, bufs, nbufs * sizeof(bufs[0])); - req->nbufs = nbufs; - req->write_index = 0; - stream->write_queue_size += uv__count_bufs(bufs, nbufs); - - /* Append the request to write_queue. */ - QUEUE_INSERT_TAIL(&stream->write_queue, &req->queue); - - /* If the queue was empty when this function began, we should attempt to - * do the write immediately. Otherwise start the write_watcher and wait - * for the fd to become writable. - */ - if (stream->connect_req) { - /* Still connecting, do nothing. */ - } - else if (empty_queue) { - uv__write(stream); - } - else { - /* - * blocking streams should never have anything in the queue. - * if this assert fires then somehow the blocking stream isn't being - * sufficiently flushed in uv__write. - */ - assert(!(stream->flags & UV_STREAM_BLOCKING)); - uv__io_start(stream->loop, &stream->io_watcher, UV__POLLOUT); - uv__stream_osx_interrupt_select(stream); - } - - return 0; -} - - -/* The buffers to be written must remain valid until the callback is called. - * This is not required for the uv_buf_t array. - */ -int uv_write(uv_write_t* req, - uv_stream_t* handle, - const uv_buf_t bufs[], - unsigned int nbufs, - uv_write_cb cb) { - return uv_write2(req, handle, bufs, nbufs, NULL, cb); -} - - -void uv_try_write_cb(uv_write_t* req, int status) { - /* Should not be called */ - abort(); -} - - -int uv_try_write(uv_stream_t* stream, - const uv_buf_t bufs[], - unsigned int nbufs) { - int r; - int has_pollout; - size_t written; - size_t req_size; - uv_write_t req; - - /* Connecting or already writing some data */ - if (stream->connect_req != NULL || stream->write_queue_size != 0) - return -EAGAIN; - - has_pollout = uv__io_active(&stream->io_watcher, UV__POLLOUT); - - r = uv_write(&req, stream, bufs, nbufs, uv_try_write_cb); - if (r != 0) - return r; - - /* Remove not written bytes from write queue size */ - written = uv__count_bufs(bufs, nbufs); - if (req.bufs != NULL) - req_size = uv__write_req_size(&req); - else - req_size = 0; - written -= req_size; - stream->write_queue_size -= req_size; - - /* Unqueue request, regardless of immediateness */ - QUEUE_REMOVE(&req.queue); - uv__req_unregister(stream->loop, &req); - if (req.bufs != req.bufsml) - uv__free(req.bufs); - req.bufs = NULL; - - /* Do not poll for writable, if we wasn't before calling this */ - if (!has_pollout) { - uv__io_stop(stream->loop, &stream->io_watcher, UV__POLLOUT); - uv__stream_osx_interrupt_select(stream); - } - - if (written == 0 && req_size != 0) - return -EAGAIN; - else - return written; -} - - -int uv_read_start(uv_stream_t* stream, - uv_alloc_cb alloc_cb, - uv_read_cb read_cb) { - assert(stream->type == UV_TCP || stream->type == UV_NAMED_PIPE || - stream->type == UV_TTY); - - if (stream->flags & UV_CLOSING) - return -EINVAL; - - /* The UV_STREAM_READING flag is irrelevant of the state of the tcp - it just - * expresses the desired state of the user. - */ - stream->flags |= UV_STREAM_READING; - - /* TODO: try to do the read inline? */ - /* TODO: keep track of tcp state. If we've gotten a EOF then we should - * not start the IO watcher. - */ - assert(uv__stream_fd(stream) >= 0); - assert(alloc_cb); - - stream->read_cb = read_cb; - stream->alloc_cb = alloc_cb; - - uv__io_start(stream->loop, &stream->io_watcher, UV__POLLIN); - uv__handle_start(stream); - uv__stream_osx_interrupt_select(stream); - - return 0; -} - - -int uv_read_stop(uv_stream_t* stream) { - if (!(stream->flags & UV_STREAM_READING)) - return 0; - - stream->flags &= ~UV_STREAM_READING; - uv__io_stop(stream->loop, &stream->io_watcher, UV__POLLIN); - if (!uv__io_active(&stream->io_watcher, UV__POLLOUT)) - uv__handle_stop(stream); - uv__stream_osx_interrupt_select(stream); - - stream->read_cb = NULL; - stream->alloc_cb = NULL; - return 0; -} - - -int uv_is_readable(const uv_stream_t* stream) { - return !!(stream->flags & UV_STREAM_READABLE); -} - - -int uv_is_writable(const uv_stream_t* stream) { - return !!(stream->flags & UV_STREAM_WRITABLE); -} - - -#if defined(__APPLE__) -int uv___stream_fd(const uv_stream_t* handle) { - const uv__stream_select_t* s; - - assert(handle->type == UV_TCP || - handle->type == UV_TTY || - handle->type == UV_NAMED_PIPE); - - s = handle->select; - if (s != NULL) - return s->fd; - - return handle->io_watcher.fd; -} -#endif /* defined(__APPLE__) */ - - -void uv__stream_close(uv_stream_t* handle) { - unsigned int i; - uv__stream_queued_fds_t* queued_fds; - -#if defined(__APPLE__) - /* Terminate select loop first */ - if (handle->select != NULL) { - uv__stream_select_t* s; - - s = handle->select; - - uv_sem_post(&s->close_sem); - uv_sem_post(&s->async_sem); - uv__stream_osx_interrupt_select(handle); - uv_thread_join(&s->thread); - uv_sem_destroy(&s->close_sem); - uv_sem_destroy(&s->async_sem); - uv__close(s->fake_fd); - uv__close(s->int_fd); - uv_close((uv_handle_t*) &s->async, uv__stream_osx_cb_close); - - handle->select = NULL; - } -#endif /* defined(__APPLE__) */ - - uv__io_close(handle->loop, &handle->io_watcher); - uv_read_stop(handle); - uv__handle_stop(handle); - - if (handle->io_watcher.fd != -1) { - /* Don't close stdio file descriptors. Nothing good comes from it. */ - if (handle->io_watcher.fd > STDERR_FILENO) - uv__close(handle->io_watcher.fd); - handle->io_watcher.fd = -1; - } - - if (handle->accepted_fd != -1) { - uv__close(handle->accepted_fd); - handle->accepted_fd = -1; - } - - /* Close all queued fds */ - if (handle->queued_fds != NULL) { - queued_fds = handle->queued_fds; - for (i = 0; i < queued_fds->offset; i++) - uv__close(queued_fds->fds[i]); - uv__free(handle->queued_fds); - handle->queued_fds = NULL; - } - - assert(!uv__io_active(&handle->io_watcher, UV__POLLIN | UV__POLLOUT)); -} - - -int uv_stream_set_blocking(uv_stream_t* handle, int blocking) { - /* Don't need to check the file descriptor, uv__nonblock() - * will fail with EBADF if it's not valid. - */ - return uv__nonblock(uv__stream_fd(handle), !blocking); -} diff --git a/3rdparty/libuv/src/unix/sunos.c b/3rdparty/libuv/src/unix/sunos.c deleted file mode 100644 index 9a6cc42b5bf..00000000000 --- a/3rdparty/libuv/src/unix/sunos.c +++ /dev/null @@ -1,776 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <stdio.h> -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <errno.h> - -#ifndef SUNOS_NO_IFADDRS -# include <ifaddrs.h> -#endif -#include <net/if.h> -#include <net/if_dl.h> - -#include <sys/loadavg.h> -#include <sys/time.h> -#include <unistd.h> -#include <kstat.h> -#include <fcntl.h> - -#include <sys/port.h> -#include <port.h> - -#define PORT_FIRED 0x69 -#define PORT_UNUSED 0x0 -#define PORT_LOADED 0x99 -#define PORT_DELETED -1 - -#if (!defined(_LP64)) && (_FILE_OFFSET_BITS - 0 == 64) -#define PROCFS_FILE_OFFSET_BITS_HACK 1 -#undef _FILE_OFFSET_BITS -#else -#define PROCFS_FILE_OFFSET_BITS_HACK 0 -#endif - -#include <procfs.h> - -#if (PROCFS_FILE_OFFSET_BITS_HACK - 0 == 1) -#define _FILE_OFFSET_BITS 64 -#endif - - -int uv__platform_loop_init(uv_loop_t* loop) { - int err; - int fd; - - loop->fs_fd = -1; - loop->backend_fd = -1; - - fd = port_create(); - if (fd == -1) - return -errno; - - err = uv__cloexec(fd, 1); - if (err) { - uv__close(fd); - return err; - } - loop->backend_fd = fd; - - return 0; -} - - -void uv__platform_loop_delete(uv_loop_t* loop) { - if (loop->fs_fd != -1) { - uv__close(loop->fs_fd); - loop->fs_fd = -1; - } - - if (loop->backend_fd != -1) { - uv__close(loop->backend_fd); - loop->backend_fd = -1; - } -} - - -void uv__platform_invalidate_fd(uv_loop_t* loop, int fd) { - struct port_event* events; - uintptr_t i; - uintptr_t nfds; - - assert(loop->watchers != NULL); - - events = (struct port_event*) loop->watchers[loop->nwatchers]; - nfds = (uintptr_t) loop->watchers[loop->nwatchers + 1]; - if (events == NULL) - return; - - /* Invalidate events with same file descriptor */ - for (i = 0; i < nfds; i++) - if ((int) events[i].portev_object == fd) - events[i].portev_object = -1; -} - - -int uv__io_check_fd(uv_loop_t* loop, int fd) { - if (port_associate(loop->backend_fd, PORT_SOURCE_FD, fd, POLLIN, 0)) - return -errno; - - if (port_dissociate(loop->backend_fd, PORT_SOURCE_FD, fd)) - abort(); - - return 0; -} - - -void uv__io_poll(uv_loop_t* loop, int timeout) { - struct port_event events[1024]; - struct port_event* pe; - struct timespec spec; - QUEUE* q; - uv__io_t* w; - sigset_t* pset; - sigset_t set; - uint64_t base; - uint64_t diff; - unsigned int nfds; - unsigned int i; - int saved_errno; - int nevents; - int count; - int err; - int fd; - - if (loop->nfds == 0) { - assert(QUEUE_EMPTY(&loop->watcher_queue)); - return; - } - - while (!QUEUE_EMPTY(&loop->watcher_queue)) { - q = QUEUE_HEAD(&loop->watcher_queue); - QUEUE_REMOVE(q); - QUEUE_INIT(q); - - w = QUEUE_DATA(q, uv__io_t, watcher_queue); - assert(w->pevents != 0); - - if (port_associate(loop->backend_fd, PORT_SOURCE_FD, w->fd, w->pevents, 0)) - abort(); - - w->events = w->pevents; - } - - pset = NULL; - if (loop->flags & UV_LOOP_BLOCK_SIGPROF) { - pset = &set; - sigemptyset(pset); - sigaddset(pset, SIGPROF); - } - - assert(timeout >= -1); - base = loop->time; - count = 48; /* Benchmarks suggest this gives the best throughput. */ - - for (;;) { - if (timeout != -1) { - spec.tv_sec = timeout / 1000; - spec.tv_nsec = (timeout % 1000) * 1000000; - } - - /* Work around a kernel bug where nfds is not updated. */ - events[0].portev_source = 0; - - nfds = 1; - saved_errno = 0; - - if (pset != NULL) - pthread_sigmask(SIG_BLOCK, pset, NULL); - - err = port_getn(loop->backend_fd, - events, - ARRAY_SIZE(events), - &nfds, - timeout == -1 ? NULL : &spec); - - if (pset != NULL) - pthread_sigmask(SIG_UNBLOCK, pset, NULL); - - if (err) { - /* Work around another kernel bug: port_getn() may return events even - * on error. - */ - if (errno == EINTR || errno == ETIME) - saved_errno = errno; - else - abort(); - } - - /* Update loop->time unconditionally. It's tempting to skip the update when - * timeout == 0 (i.e. non-blocking poll) but there is no guarantee that the - * operating system didn't reschedule our process while in the syscall. - */ - SAVE_ERRNO(uv__update_time(loop)); - - if (events[0].portev_source == 0) { - if (timeout == 0) - return; - - if (timeout == -1) - continue; - - goto update_timeout; - } - - if (nfds == 0) { - assert(timeout != -1); - return; - } - - nevents = 0; - - assert(loop->watchers != NULL); - loop->watchers[loop->nwatchers] = (void*) events; - loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds; - for (i = 0; i < nfds; i++) { - pe = events + i; - fd = pe->portev_object; - - /* Skip invalidated events, see uv__platform_invalidate_fd */ - if (fd == -1) - continue; - - assert(fd >= 0); - assert((unsigned) fd < loop->nwatchers); - - w = loop->watchers[fd]; - - /* File descriptor that we've stopped watching, ignore. */ - if (w == NULL) - continue; - - w->cb(loop, w, pe->portev_events); - nevents++; - - if (w != loop->watchers[fd]) - continue; /* Disabled by callback. */ - - /* Events Ports operates in oneshot mode, rearm timer on next run. */ - if (w->pevents != 0 && QUEUE_EMPTY(&w->watcher_queue)) - QUEUE_INSERT_TAIL(&loop->watcher_queue, &w->watcher_queue); - } - loop->watchers[loop->nwatchers] = NULL; - loop->watchers[loop->nwatchers + 1] = NULL; - - if (nevents != 0) { - if (nfds == ARRAY_SIZE(events) && --count != 0) { - /* Poll for more events but don't block this time. */ - timeout = 0; - continue; - } - return; - } - - if (saved_errno == ETIME) { - assert(timeout != -1); - return; - } - - if (timeout == 0) - return; - - if (timeout == -1) - continue; - -update_timeout: - assert(timeout > 0); - - diff = loop->time - base; - if (diff >= (uint64_t) timeout) - return; - - timeout -= diff; - } -} - - -uint64_t uv__hrtime(uv_clocktype_t type) { - return gethrtime(); -} - - -/* - * We could use a static buffer for the path manipulations that we need outside - * of the function, but this function could be called by multiple consumers and - * we don't want to potentially create a race condition in the use of snprintf. - */ -int uv_exepath(char* buffer, size_t* size) { - ssize_t res; - char buf[128]; - - if (buffer == NULL || size == NULL || *size == 0) - return -EINVAL; - - snprintf(buf, sizeof(buf), "/proc/%lu/path/a.out", (unsigned long) getpid()); - - res = *size - 1; - if (res > 0) - res = readlink(buf, buffer, res); - - if (res == -1) - return -errno; - - buffer[res] = '\0'; - *size = res; - return 0; -} - - -uint64_t uv_get_free_memory(void) { - return (uint64_t) sysconf(_SC_PAGESIZE) * sysconf(_SC_AVPHYS_PAGES); -} - - -uint64_t uv_get_total_memory(void) { - return (uint64_t) sysconf(_SC_PAGESIZE) * sysconf(_SC_PHYS_PAGES); -} - - -void uv_loadavg(double avg[3]) { - (void) getloadavg(avg, 3); -} - - -#if defined(PORT_SOURCE_FILE) - -static int uv__fs_event_rearm(uv_fs_event_t *handle) { - if (handle->fd == -1) - return -EBADF; - - if (port_associate(handle->loop->fs_fd, - PORT_SOURCE_FILE, - (uintptr_t) &handle->fo, - FILE_ATTRIB | FILE_MODIFIED, - handle) == -1) { - return -errno; - } - handle->fd = PORT_LOADED; - - return 0; -} - - -static void uv__fs_event_read(uv_loop_t* loop, - uv__io_t* w, - unsigned int revents) { - uv_fs_event_t *handle = NULL; - timespec_t timeout; - port_event_t pe; - int events; - int r; - - (void) w; - (void) revents; - - do { - uint_t n = 1; - - /* - * Note that our use of port_getn() here (and not port_get()) is deliberate: - * there is a bug in event ports (Sun bug 6456558) whereby a zeroed timeout - * causes port_get() to return success instead of ETIME when there aren't - * actually any events (!); by using port_getn() in lieu of port_get(), - * we can at least workaround the bug by checking for zero returned events - * and treating it as we would ETIME. - */ - do { - memset(&timeout, 0, sizeof timeout); - r = port_getn(loop->fs_fd, &pe, 1, &n, &timeout); - } - while (r == -1 && errno == EINTR); - - if ((r == -1 && errno == ETIME) || n == 0) - break; - - handle = (uv_fs_event_t*) pe.portev_user; - assert((r == 0) && "unexpected port_get() error"); - - events = 0; - if (pe.portev_events & (FILE_ATTRIB | FILE_MODIFIED)) - events |= UV_CHANGE; - if (pe.portev_events & ~(FILE_ATTRIB | FILE_MODIFIED)) - events |= UV_RENAME; - assert(events != 0); - handle->fd = PORT_FIRED; - handle->cb(handle, NULL, events, 0); - - if (handle->fd != PORT_DELETED) { - r = uv__fs_event_rearm(handle); - if (r != 0) - handle->cb(handle, NULL, 0, r); - } - } - while (handle->fd != PORT_DELETED); -} - - -int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) { - uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT); - return 0; -} - - -int uv_fs_event_start(uv_fs_event_t* handle, - uv_fs_event_cb cb, - const char* path, - unsigned int flags) { - int portfd; - int first_run; - int err; - - if (uv__is_active(handle)) - return -EINVAL; - - first_run = 0; - if (handle->loop->fs_fd == -1) { - portfd = port_create(); - if (portfd == -1) - return -errno; - handle->loop->fs_fd = portfd; - first_run = 1; - } - - uv__handle_start(handle); - handle->path = uv__strdup(path); - handle->fd = PORT_UNUSED; - handle->cb = cb; - - memset(&handle->fo, 0, sizeof handle->fo); - handle->fo.fo_name = handle->path; - err = uv__fs_event_rearm(handle); - if (err != 0) - return err; - - if (first_run) { - uv__io_init(&handle->loop->fs_event_watcher, uv__fs_event_read, portfd); - uv__io_start(handle->loop, &handle->loop->fs_event_watcher, UV__POLLIN); - } - - return 0; -} - - -int uv_fs_event_stop(uv_fs_event_t* handle) { - if (!uv__is_active(handle)) - return 0; - - if (handle->fd == PORT_FIRED || handle->fd == PORT_LOADED) { - port_dissociate(handle->loop->fs_fd, - PORT_SOURCE_FILE, - (uintptr_t) &handle->fo); - } - - handle->fd = PORT_DELETED; - uv__free(handle->path); - handle->path = NULL; - handle->fo.fo_name = NULL; - uv__handle_stop(handle); - - return 0; -} - -void uv__fs_event_close(uv_fs_event_t* handle) { - uv_fs_event_stop(handle); -} - -#else /* !defined(PORT_SOURCE_FILE) */ - -int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) { - return -ENOSYS; -} - - -int uv_fs_event_start(uv_fs_event_t* handle, - uv_fs_event_cb cb, - const char* filename, - unsigned int flags) { - return -ENOSYS; -} - - -int uv_fs_event_stop(uv_fs_event_t* handle) { - return -ENOSYS; -} - - -void uv__fs_event_close(uv_fs_event_t* handle) { - UNREACHABLE(); -} - -#endif /* defined(PORT_SOURCE_FILE) */ - - -char** uv_setup_args(int argc, char** argv) { - return argv; -} - - -int uv_set_process_title(const char* title) { - return 0; -} - - -int uv_get_process_title(char* buffer, size_t size) { - if (size > 0) { - buffer[0] = '\0'; - } - return 0; -} - - -int uv_resident_set_memory(size_t* rss) { - psinfo_t psinfo; - int err; - int fd; - - fd = open("/proc/self/psinfo", O_RDONLY); - if (fd == -1) - return -errno; - - /* FIXME(bnoordhuis) Handle EINTR. */ - err = -EINVAL; - if (read(fd, &psinfo, sizeof(psinfo)) == sizeof(psinfo)) { - *rss = (size_t)psinfo.pr_rssize * 1024; - err = 0; - } - uv__close(fd); - - return err; -} - - -int uv_uptime(double* uptime) { - kstat_ctl_t *kc; - kstat_t *ksp; - kstat_named_t *knp; - - long hz = sysconf(_SC_CLK_TCK); - - kc = kstat_open(); - if (kc == NULL) - return -EPERM; - - ksp = kstat_lookup(kc, (char*) "unix", 0, (char*) "system_misc"); - if (kstat_read(kc, ksp, NULL) == -1) { - *uptime = -1; - } else { - knp = (kstat_named_t*) kstat_data_lookup(ksp, (char*) "clk_intr"); - *uptime = knp->value.ul / hz; - } - kstat_close(kc); - - return 0; -} - - -int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { - int lookup_instance; - kstat_ctl_t *kc; - kstat_t *ksp; - kstat_named_t *knp; - uv_cpu_info_t* cpu_info; - - kc = kstat_open(); - if (kc == NULL) - return -EPERM; - - /* Get count of cpus */ - lookup_instance = 0; - while ((ksp = kstat_lookup(kc, (char*) "cpu_info", lookup_instance, NULL))) { - lookup_instance++; - } - - *cpu_infos = uv__malloc(lookup_instance * sizeof(**cpu_infos)); - if (!(*cpu_infos)) { - kstat_close(kc); - return -ENOMEM; - } - - *count = lookup_instance; - - cpu_info = *cpu_infos; - lookup_instance = 0; - while ((ksp = kstat_lookup(kc, (char*) "cpu_info", lookup_instance, NULL))) { - if (kstat_read(kc, ksp, NULL) == -1) { - cpu_info->speed = 0; - cpu_info->model = NULL; - } else { - knp = kstat_data_lookup(ksp, (char*) "clock_MHz"); - assert(knp->data_type == KSTAT_DATA_INT32 || - knp->data_type == KSTAT_DATA_INT64); - cpu_info->speed = (knp->data_type == KSTAT_DATA_INT32) ? knp->value.i32 - : knp->value.i64; - - knp = kstat_data_lookup(ksp, (char*) "brand"); - assert(knp->data_type == KSTAT_DATA_STRING); - cpu_info->model = uv__strdup(KSTAT_NAMED_STR_PTR(knp)); - } - - lookup_instance++; - cpu_info++; - } - - cpu_info = *cpu_infos; - lookup_instance = 0; - for (;;) { - ksp = kstat_lookup(kc, (char*) "cpu", lookup_instance, (char*) "sys"); - - if (ksp == NULL) - break; - - if (kstat_read(kc, ksp, NULL) == -1) { - cpu_info->cpu_times.user = 0; - cpu_info->cpu_times.nice = 0; - cpu_info->cpu_times.sys = 0; - cpu_info->cpu_times.idle = 0; - cpu_info->cpu_times.irq = 0; - } else { - knp = kstat_data_lookup(ksp, (char*) "cpu_ticks_user"); - assert(knp->data_type == KSTAT_DATA_UINT64); - cpu_info->cpu_times.user = knp->value.ui64; - - knp = kstat_data_lookup(ksp, (char*) "cpu_ticks_kernel"); - assert(knp->data_type == KSTAT_DATA_UINT64); - cpu_info->cpu_times.sys = knp->value.ui64; - - knp = kstat_data_lookup(ksp, (char*) "cpu_ticks_idle"); - assert(knp->data_type == KSTAT_DATA_UINT64); - cpu_info->cpu_times.idle = knp->value.ui64; - - knp = kstat_data_lookup(ksp, (char*) "intr"); - assert(knp->data_type == KSTAT_DATA_UINT64); - cpu_info->cpu_times.irq = knp->value.ui64; - cpu_info->cpu_times.nice = 0; - } - - lookup_instance++; - cpu_info++; - } - - kstat_close(kc); - - return 0; -} - - -void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(cpu_infos[i].model); - } - - uv__free(cpu_infos); -} - - -int uv_interface_addresses(uv_interface_address_t** addresses, int* count) { -#ifdef SUNOS_NO_IFADDRS - return -ENOSYS; -#else - uv_interface_address_t* address; - struct sockaddr_dl* sa_addr; - struct ifaddrs* addrs; - struct ifaddrs* ent; - int i; - - if (getifaddrs(&addrs)) - return -errno; - - *count = 0; - - /* Count the number of interfaces */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family == PF_PACKET)) { - continue; - } - - (*count)++; - } - - *addresses = uv__malloc(*count * sizeof(**addresses)); - if (!(*addresses)) { - freeifaddrs(addrs); - return -ENOMEM; - } - - address = *addresses; - - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING))) - continue; - - if (ent->ifa_addr == NULL) - continue; - - address->name = uv__strdup(ent->ifa_name); - - if (ent->ifa_addr->sa_family == AF_INET6) { - address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr); - } else { - address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr); - } - - if (ent->ifa_netmask->sa_family == AF_INET6) { - address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask); - } else { - address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask); - } - - address->is_internal = !!((ent->ifa_flags & IFF_PRIVATE) || - (ent->ifa_flags & IFF_LOOPBACK)); - - address++; - } - - /* Fill in physical addresses for each interface */ - for (ent = addrs; ent != NULL; ent = ent->ifa_next) { - if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) || - (ent->ifa_addr == NULL) || - (ent->ifa_addr->sa_family != AF_LINK)) { - continue; - } - - address = *addresses; - - for (i = 0; i < (*count); i++) { - if (strcmp(address->name, ent->ifa_name) == 0) { - sa_addr = (struct sockaddr_dl*)(ent->ifa_addr); - memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr)); - } - address++; - } - } - - freeifaddrs(addrs); - - return 0; -#endif /* SUNOS_NO_IFADDRS */ -} - - -void uv_free_interface_addresses(uv_interface_address_t* addresses, - int count) { - int i; - - for (i = 0; i < count; i++) { - uv__free(addresses[i].name); - } - - uv__free(addresses); -} diff --git a/3rdparty/libuv/src/unix/tcp.c b/3rdparty/libuv/src/unix/tcp.c deleted file mode 100644 index 6d213a49778..00000000000 --- a/3rdparty/libuv/src/unix/tcp.c +++ /dev/null @@ -1,362 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <stdlib.h> -#include <unistd.h> -#include <assert.h> -#include <errno.h> - - -static int maybe_new_socket(uv_tcp_t* handle, int domain, int flags) { - int sockfd; - int err; - - if (domain == AF_UNSPEC || uv__stream_fd(handle) != -1) { - handle->flags |= flags; - return 0; - } - - err = uv__socket(domain, SOCK_STREAM, 0); - if (err < 0) - return err; - sockfd = err; - - err = uv__stream_open((uv_stream_t*) handle, sockfd, flags); - if (err) { - uv__close(sockfd); - return err; - } - - return 0; -} - - -int uv_tcp_init_ex(uv_loop_t* loop, uv_tcp_t* tcp, unsigned int flags) { - int domain; - - /* Use the lower 8 bits for the domain */ - domain = flags & 0xFF; - if (domain != AF_INET && domain != AF_INET6 && domain != AF_UNSPEC) - return -EINVAL; - - if (flags & ~0xFF) - return -EINVAL; - - uv__stream_init(loop, (uv_stream_t*)tcp, UV_TCP); - - /* If anything fails beyond this point we need to remove the handle from - * the handle queue, since it was added by uv__handle_init in uv_stream_init. - */ - - if (domain != AF_UNSPEC) { - int err = maybe_new_socket(tcp, domain, 0); - if (err) { - QUEUE_REMOVE(&tcp->handle_queue); - return err; - } - } - - return 0; -} - - -int uv_tcp_init(uv_loop_t* loop, uv_tcp_t* tcp) { - return uv_tcp_init_ex(loop, tcp, AF_UNSPEC); -} - - -int uv__tcp_bind(uv_tcp_t* tcp, - const struct sockaddr* addr, - unsigned int addrlen, - unsigned int flags) { - int err; - int on; - - /* Cannot set IPv6-only mode on non-IPv6 socket. */ - if ((flags & UV_TCP_IPV6ONLY) && addr->sa_family != AF_INET6) - return -EINVAL; - - err = maybe_new_socket(tcp, - addr->sa_family, - UV_STREAM_READABLE | UV_STREAM_WRITABLE); - if (err) - return err; - - on = 1; - if (setsockopt(tcp->io_watcher.fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on))) - return -errno; - -#ifdef IPV6_V6ONLY - if (addr->sa_family == AF_INET6) { - on = (flags & UV_TCP_IPV6ONLY) != 0; - if (setsockopt(tcp->io_watcher.fd, - IPPROTO_IPV6, - IPV6_V6ONLY, - &on, - sizeof on) == -1) { - return -errno; - } - } -#endif - - errno = 0; - if (bind(tcp->io_watcher.fd, addr, addrlen) && errno != EADDRINUSE) { - if (errno == EAFNOSUPPORT) - /* OSX, other BSDs and SunoS fail with EAFNOSUPPORT when binding a - * socket created with AF_INET to an AF_INET6 address or vice versa. */ - return -EINVAL; - return -errno; - } - tcp->delayed_error = -errno; - - if (addr->sa_family == AF_INET6) - tcp->flags |= UV_HANDLE_IPV6; - - return 0; -} - - -int uv__tcp_connect(uv_connect_t* req, - uv_tcp_t* handle, - const struct sockaddr* addr, - unsigned int addrlen, - uv_connect_cb cb) { - int err; - int r; - - assert(handle->type == UV_TCP); - - if (handle->connect_req != NULL) - return -EALREADY; /* FIXME(bnoordhuis) -EINVAL or maybe -EBUSY. */ - - err = maybe_new_socket(handle, - addr->sa_family, - UV_STREAM_READABLE | UV_STREAM_WRITABLE); - if (err) - return err; - - handle->delayed_error = 0; - - do - r = connect(uv__stream_fd(handle), addr, addrlen); - while (r == -1 && errno == EINTR); - - if (r == -1) { - if (errno == EINPROGRESS) - ; /* not an error */ - else if (errno == ECONNREFUSED) - /* If we get a ECONNREFUSED wait until the next tick to report the - * error. Solaris wants to report immediately--other unixes want to - * wait. - */ - handle->delayed_error = -errno; - else - return -errno; - } - - uv__req_init(handle->loop, req, UV_CONNECT); - req->cb = cb; - req->handle = (uv_stream_t*) handle; - QUEUE_INIT(&req->queue); - handle->connect_req = req; - - uv__io_start(handle->loop, &handle->io_watcher, UV__POLLOUT); - - if (handle->delayed_error) - uv__io_feed(handle->loop, &handle->io_watcher); - - return 0; -} - - -int uv_tcp_open(uv_tcp_t* handle, uv_os_sock_t sock) { - int err; - - err = uv__nonblock(sock, 1); - if (err) - return err; - - return uv__stream_open((uv_stream_t*)handle, - sock, - UV_STREAM_READABLE | UV_STREAM_WRITABLE); -} - - -int uv_tcp_getsockname(const uv_tcp_t* handle, - struct sockaddr* name, - int* namelen) { - socklen_t socklen; - - if (handle->delayed_error) - return handle->delayed_error; - - if (uv__stream_fd(handle) < 0) - return -EINVAL; /* FIXME(bnoordhuis) -EBADF */ - - /* sizeof(socklen_t) != sizeof(int) on some systems. */ - socklen = (socklen_t) *namelen; - - if (getsockname(uv__stream_fd(handle), name, &socklen)) - return -errno; - - *namelen = (int) socklen; - return 0; -} - - -int uv_tcp_getpeername(const uv_tcp_t* handle, - struct sockaddr* name, - int* namelen) { - socklen_t socklen; - - if (handle->delayed_error) - return handle->delayed_error; - - if (uv__stream_fd(handle) < 0) - return -EINVAL; /* FIXME(bnoordhuis) -EBADF */ - - /* sizeof(socklen_t) != sizeof(int) on some systems. */ - socklen = (socklen_t) *namelen; - - if (getpeername(uv__stream_fd(handle), name, &socklen)) - return -errno; - - *namelen = (int) socklen; - return 0; -} - - -int uv_tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb) { - static int single_accept = -1; - int err; - - if (tcp->delayed_error) - return tcp->delayed_error; - - if (single_accept == -1) { - const char* val = getenv("UV_TCP_SINGLE_ACCEPT"); - single_accept = (val != NULL && atoi(val) != 0); /* Off by default. */ - } - - if (single_accept) - tcp->flags |= UV_TCP_SINGLE_ACCEPT; - - err = maybe_new_socket(tcp, AF_INET, UV_STREAM_READABLE); - if (err) - return err; - - if (listen(tcp->io_watcher.fd, backlog)) - return -errno; - - tcp->connection_cb = cb; - - /* Start listening for connections. */ - tcp->io_watcher.cb = uv__server_io; - uv__io_start(tcp->loop, &tcp->io_watcher, UV__POLLIN); - - return 0; -} - - -int uv__tcp_nodelay(int fd, int on) { - if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on))) - return -errno; - return 0; -} - - -int uv__tcp_keepalive(int fd, int on, unsigned int delay) { - if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on))) - return -errno; - -#ifdef TCP_KEEPIDLE - if (on && setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &delay, sizeof(delay))) - return -errno; -#endif - - /* Solaris/SmartOS, if you don't support keep-alive, - * then don't advertise it in your system headers... - */ - /* FIXME(bnoordhuis) That's possibly because sizeof(delay) should be 1. */ -#if defined(TCP_KEEPALIVE) && !defined(__sun) - if (on && setsockopt(fd, IPPROTO_TCP, TCP_KEEPALIVE, &delay, sizeof(delay))) - return -errno; -#endif - - return 0; -} - - -int uv_tcp_nodelay(uv_tcp_t* handle, int on) { - int err; - - if (uv__stream_fd(handle) != -1) { - err = uv__tcp_nodelay(uv__stream_fd(handle), on); - if (err) - return err; - } - - if (on) - handle->flags |= UV_TCP_NODELAY; - else - handle->flags &= ~UV_TCP_NODELAY; - - return 0; -} - - -int uv_tcp_keepalive(uv_tcp_t* handle, int on, unsigned int delay) { - int err; - - if (uv__stream_fd(handle) != -1) { - err =uv__tcp_keepalive(uv__stream_fd(handle), on, delay); - if (err) - return err; - } - - if (on) - handle->flags |= UV_TCP_KEEPALIVE; - else - handle->flags &= ~UV_TCP_KEEPALIVE; - - /* TODO Store delay if uv__stream_fd(handle) == -1 but don't want to enlarge - * uv_tcp_t with an int that's almost never used... - */ - - return 0; -} - - -int uv_tcp_simultaneous_accepts(uv_tcp_t* handle, int enable) { - if (enable) - handle->flags &= ~UV_TCP_SINGLE_ACCEPT; - else - handle->flags |= UV_TCP_SINGLE_ACCEPT; - return 0; -} - - -void uv__tcp_close(uv_tcp_t* handle) { - uv__stream_close((uv_stream_t*)handle); -} diff --git a/3rdparty/libuv/src/unix/thread.c b/3rdparty/libuv/src/unix/thread.c deleted file mode 100644 index c35bc926bf0..00000000000 --- a/3rdparty/libuv/src/unix/thread.c +++ /dev/null @@ -1,556 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <pthread.h> -#include <assert.h> -#include <errno.h> - -#include <sys/time.h> -#include <sys/resource.h> /* getrlimit() */ - -#include <limits.h> - -#undef NANOSEC -#define NANOSEC ((uint64_t) 1e9) - - -struct thread_ctx { - void (*entry)(void* arg); - void* arg; -}; - - -static void* uv__thread_start(void *arg) -{ - struct thread_ctx *ctx_p; - struct thread_ctx ctx; - - ctx_p = arg; - ctx = *ctx_p; - uv__free(ctx_p); - ctx.entry(ctx.arg); - - return 0; -} - - -int uv_thread_create(uv_thread_t *tid, void (*entry)(void *arg), void *arg) { - struct thread_ctx* ctx; - int err; - pthread_attr_t* attr; -#if defined(__APPLE__) - pthread_attr_t attr_storage; - struct rlimit lim; -#endif - - ctx = uv__malloc(sizeof(*ctx)); - if (ctx == NULL) - return UV_ENOMEM; - - ctx->entry = entry; - ctx->arg = arg; - - /* On OSX threads other than the main thread are created with a reduced stack - * size by default, adjust it to RLIMIT_STACK. - */ -#if defined(__APPLE__) - if (getrlimit(RLIMIT_STACK, &lim)) - abort(); - - attr = &attr_storage; - if (pthread_attr_init(attr)) - abort(); - - if (lim.rlim_cur != RLIM_INFINITY && - lim.rlim_cur >= PTHREAD_STACK_MIN) { - if (pthread_attr_setstacksize(attr, lim.rlim_cur)) - abort(); - } -#else - attr = NULL; -#endif - - err = pthread_create(tid, attr, uv__thread_start, ctx); - - if (attr != NULL) - pthread_attr_destroy(attr); - - if (err) - uv__free(ctx); - - return -err; -} - - -uv_thread_t uv_thread_self(void) { - return pthread_self(); -} - -int uv_thread_join(uv_thread_t *tid) { - return -pthread_join(*tid, NULL); -} - - -int uv_thread_equal(const uv_thread_t* t1, const uv_thread_t* t2) { - return pthread_equal(*t1, *t2); -} - - -int uv_mutex_init(uv_mutex_t* mutex) { -#if defined(NDEBUG) || !defined(PTHREAD_MUTEX_ERRORCHECK) - return -pthread_mutex_init(mutex, NULL); -#else - pthread_mutexattr_t attr; - int err; - - if (pthread_mutexattr_init(&attr)) - abort(); - - if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK)) - abort(); - - err = pthread_mutex_init(mutex, &attr); - - if (pthread_mutexattr_destroy(&attr)) - abort(); - - return -err; -#endif -} - - -void uv_mutex_destroy(uv_mutex_t* mutex) { - if (pthread_mutex_destroy(mutex)) - abort(); -} - - -void uv_mutex_lock(uv_mutex_t* mutex) { - if (pthread_mutex_lock(mutex)) - abort(); -} - - -int uv_mutex_trylock(uv_mutex_t* mutex) { - int err; - - err = pthread_mutex_trylock(mutex); - if (err) { - if (err != EBUSY && err != EAGAIN) - abort(); - return -EBUSY; - } - - return 0; -} - - -void uv_mutex_unlock(uv_mutex_t* mutex) { - if (pthread_mutex_unlock(mutex)) - abort(); -} - - -int uv_rwlock_init(uv_rwlock_t* rwlock) { - return -pthread_rwlock_init(rwlock, NULL); -} - - -void uv_rwlock_destroy(uv_rwlock_t* rwlock) { - if (pthread_rwlock_destroy(rwlock)) - abort(); -} - - -void uv_rwlock_rdlock(uv_rwlock_t* rwlock) { - if (pthread_rwlock_rdlock(rwlock)) - abort(); -} - - -int uv_rwlock_tryrdlock(uv_rwlock_t* rwlock) { - int err; - - err = pthread_rwlock_tryrdlock(rwlock); - if (err) { - if (err != EBUSY && err != EAGAIN) - abort(); - return -EBUSY; - } - - return 0; -} - - -void uv_rwlock_rdunlock(uv_rwlock_t* rwlock) { - if (pthread_rwlock_unlock(rwlock)) - abort(); -} - - -void uv_rwlock_wrlock(uv_rwlock_t* rwlock) { - if (pthread_rwlock_wrlock(rwlock)) - abort(); -} - - -int uv_rwlock_trywrlock(uv_rwlock_t* rwlock) { - int err; - - err = pthread_rwlock_trywrlock(rwlock); - if (err) { - if (err != EBUSY && err != EAGAIN) - abort(); - return -EBUSY; - } - - return 0; -} - - -void uv_rwlock_wrunlock(uv_rwlock_t* rwlock) { - if (pthread_rwlock_unlock(rwlock)) - abort(); -} - - -void uv_once(uv_once_t* guard, void (*callback)(void)) { - if (pthread_once(guard, callback)) - abort(); -} - -#if defined(__APPLE__) && defined(__MACH__) - -int uv_sem_init(uv_sem_t* sem, unsigned int value) { - kern_return_t err; - - err = semaphore_create(mach_task_self(), sem, SYNC_POLICY_FIFO, value); - if (err == KERN_SUCCESS) - return 0; - if (err == KERN_INVALID_ARGUMENT) - return -EINVAL; - if (err == KERN_RESOURCE_SHORTAGE) - return -ENOMEM; - - abort(); - return -EINVAL; /* Satisfy the compiler. */ -} - - -void uv_sem_destroy(uv_sem_t* sem) { - if (semaphore_destroy(mach_task_self(), *sem)) - abort(); -} - - -void uv_sem_post(uv_sem_t* sem) { - if (semaphore_signal(*sem)) - abort(); -} - - -void uv_sem_wait(uv_sem_t* sem) { - int r; - - do - r = semaphore_wait(*sem); - while (r == KERN_ABORTED); - - if (r != KERN_SUCCESS) - abort(); -} - - -int uv_sem_trywait(uv_sem_t* sem) { - mach_timespec_t interval; - kern_return_t err; - - interval.tv_sec = 0; - interval.tv_nsec = 0; - - err = semaphore_timedwait(*sem, interval); - if (err == KERN_SUCCESS) - return 0; - if (err == KERN_OPERATION_TIMED_OUT) - return -EAGAIN; - - abort(); - return -EINVAL; /* Satisfy the compiler. */ -} - -#else /* !(defined(__APPLE__) && defined(__MACH__)) */ - -int uv_sem_init(uv_sem_t* sem, unsigned int value) { - if (sem_init(sem, 0, value)) - return -errno; - return 0; -} - - -void uv_sem_destroy(uv_sem_t* sem) { - if (sem_destroy(sem)) - abort(); -} - - -void uv_sem_post(uv_sem_t* sem) { - if (sem_post(sem)) - abort(); -} - - -void uv_sem_wait(uv_sem_t* sem) { - int r; - - do - r = sem_wait(sem); - while (r == -1 && errno == EINTR); - - if (r) - abort(); -} - - -int uv_sem_trywait(uv_sem_t* sem) { - int r; - - do - r = sem_trywait(sem); - while (r == -1 && errno == EINTR); - - if (r) { - if (errno == EAGAIN) - return -EAGAIN; - abort(); - } - - return 0; -} - -#endif /* defined(__APPLE__) && defined(__MACH__) */ - - -#if defined(__APPLE__) && defined(__MACH__) - -int uv_cond_init(uv_cond_t* cond) { - return -pthread_cond_init(cond, NULL); -} - -#else /* !(defined(__APPLE__) && defined(__MACH__)) */ - -int uv_cond_init(uv_cond_t* cond) { - pthread_condattr_t attr; - int err; - - err = pthread_condattr_init(&attr); - if (err) - return -err; - -#if !(defined(__ANDROID__) && defined(HAVE_PTHREAD_COND_TIMEDWAIT_MONOTONIC)) - err = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC); - if (err) - goto error2; -#endif - - err = pthread_cond_init(cond, &attr); - if (err) - goto error2; - - err = pthread_condattr_destroy(&attr); - if (err) - goto error; - - return 0; - -error: - pthread_cond_destroy(cond); -error2: - pthread_condattr_destroy(&attr); - return -err; -} - -#endif /* defined(__APPLE__) && defined(__MACH__) */ - -void uv_cond_destroy(uv_cond_t* cond) { - if (pthread_cond_destroy(cond)) - abort(); -} - -void uv_cond_signal(uv_cond_t* cond) { - if (pthread_cond_signal(cond)) - abort(); -} - -void uv_cond_broadcast(uv_cond_t* cond) { - if (pthread_cond_broadcast(cond)) - abort(); -} - -void uv_cond_wait(uv_cond_t* cond, uv_mutex_t* mutex) { - if (pthread_cond_wait(cond, mutex)) - abort(); -} - - -int uv_cond_timedwait(uv_cond_t* cond, uv_mutex_t* mutex, uint64_t timeout) { - int r; - struct timespec ts; - -#if defined(__APPLE__) && defined(__MACH__) - ts.tv_sec = timeout / NANOSEC; - ts.tv_nsec = timeout % NANOSEC; - r = pthread_cond_timedwait_relative_np(cond, mutex, &ts); -#else - timeout += uv__hrtime(UV_CLOCK_PRECISE); - ts.tv_sec = timeout / NANOSEC; - ts.tv_nsec = timeout % NANOSEC; -#if defined(__ANDROID__) && defined(HAVE_PTHREAD_COND_TIMEDWAIT_MONOTONIC) - /* - * The bionic pthread implementation doesn't support CLOCK_MONOTONIC, - * but has this alternative function instead. - */ - r = pthread_cond_timedwait_monotonic_np(cond, mutex, &ts); -#else - r = pthread_cond_timedwait(cond, mutex, &ts); -#endif /* __ANDROID__ */ -#endif - - - if (r == 0) - return 0; - - if (r == ETIMEDOUT) - return -ETIMEDOUT; - - abort(); - return -EINVAL; /* Satisfy the compiler. */ -} - - -#if defined(__APPLE__) && defined(__MACH__) - -int uv_barrier_init(uv_barrier_t* barrier, unsigned int count) { - int err; - - barrier->n = count; - barrier->count = 0; - - err = uv_mutex_init(&barrier->mutex); - if (err) - return -err; - - err = uv_sem_init(&barrier->turnstile1, 0); - if (err) - goto error2; - - err = uv_sem_init(&barrier->turnstile2, 1); - if (err) - goto error; - - return 0; - -error: - uv_sem_destroy(&barrier->turnstile1); -error2: - uv_mutex_destroy(&barrier->mutex); - return -err; - -} - - -void uv_barrier_destroy(uv_barrier_t* barrier) { - uv_sem_destroy(&barrier->turnstile2); - uv_sem_destroy(&barrier->turnstile1); - uv_mutex_destroy(&barrier->mutex); -} - - -int uv_barrier_wait(uv_barrier_t* barrier) { - int serial_thread; - - uv_mutex_lock(&barrier->mutex); - if (++barrier->count == barrier->n) { - uv_sem_wait(&barrier->turnstile2); - uv_sem_post(&barrier->turnstile1); - } - uv_mutex_unlock(&barrier->mutex); - - uv_sem_wait(&barrier->turnstile1); - uv_sem_post(&barrier->turnstile1); - - uv_mutex_lock(&barrier->mutex); - serial_thread = (--barrier->count == 0); - if (serial_thread) { - uv_sem_wait(&barrier->turnstile1); - uv_sem_post(&barrier->turnstile2); - } - uv_mutex_unlock(&barrier->mutex); - - uv_sem_wait(&barrier->turnstile2); - uv_sem_post(&barrier->turnstile2); - return serial_thread; -} - -#else /* !(defined(__APPLE__) && defined(__MACH__)) */ - -int uv_barrier_init(uv_barrier_t* barrier, unsigned int count) { - return -pthread_barrier_init(barrier, NULL, count); -} - - -void uv_barrier_destroy(uv_barrier_t* barrier) { - if (pthread_barrier_destroy(barrier)) - abort(); -} - - -int uv_barrier_wait(uv_barrier_t* barrier) { - int r = pthread_barrier_wait(barrier); - if (r && r != PTHREAD_BARRIER_SERIAL_THREAD) - abort(); - return r == PTHREAD_BARRIER_SERIAL_THREAD; -} - -#endif /* defined(__APPLE__) && defined(__MACH__) */ - -int uv_key_create(uv_key_t* key) { - return -pthread_key_create(key, NULL); -} - - -void uv_key_delete(uv_key_t* key) { - if (pthread_key_delete(*key)) - abort(); -} - - -void* uv_key_get(uv_key_t* key) { - return pthread_getspecific(*key); -} - - -void uv_key_set(uv_key_t* key, void* value) { - if (pthread_setspecific(*key, value)) - abort(); -} diff --git a/3rdparty/libuv/src/unix/timer.c b/3rdparty/libuv/src/unix/timer.c deleted file mode 100644 index ca3ec3db957..00000000000 --- a/3rdparty/libuv/src/unix/timer.c +++ /dev/null @@ -1,172 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" -#include "heap-inl.h" - -#include <assert.h> -#include <limits.h> - - -static int timer_less_than(const struct heap_node* ha, - const struct heap_node* hb) { - const uv_timer_t* a; - const uv_timer_t* b; - - a = container_of(ha, const uv_timer_t, heap_node); - b = container_of(hb, const uv_timer_t, heap_node); - - if (a->timeout < b->timeout) - return 1; - if (b->timeout < a->timeout) - return 0; - - /* Compare start_id when both have the same timeout. start_id is - * allocated with loop->timer_counter in uv_timer_start(). - */ - if (a->start_id < b->start_id) - return 1; - if (b->start_id < a->start_id) - return 0; - - return 0; -} - - -int uv_timer_init(uv_loop_t* loop, uv_timer_t* handle) { - uv__handle_init(loop, (uv_handle_t*)handle, UV_TIMER); - handle->timer_cb = NULL; - handle->repeat = 0; - return 0; -} - - -int uv_timer_start(uv_timer_t* handle, - uv_timer_cb cb, - uint64_t timeout, - uint64_t repeat) { - uint64_t clamped_timeout; - - if (cb == NULL) - return -EINVAL; - - if (uv__is_active(handle)) - uv_timer_stop(handle); - - clamped_timeout = handle->loop->time + timeout; - if (clamped_timeout < timeout) - clamped_timeout = (uint64_t) -1; - - handle->timer_cb = cb; - handle->timeout = clamped_timeout; - handle->repeat = repeat; - /* start_id is the second index to be compared in uv__timer_cmp() */ - handle->start_id = handle->loop->timer_counter++; - - heap_insert((struct heap*) &handle->loop->timer_heap, - (struct heap_node*) &handle->heap_node, - timer_less_than); - uv__handle_start(handle); - - return 0; -} - - -int uv_timer_stop(uv_timer_t* handle) { - if (!uv__is_active(handle)) - return 0; - - heap_remove((struct heap*) &handle->loop->timer_heap, - (struct heap_node*) &handle->heap_node, - timer_less_than); - uv__handle_stop(handle); - - return 0; -} - - -int uv_timer_again(uv_timer_t* handle) { - if (handle->timer_cb == NULL) - return -EINVAL; - - if (handle->repeat) { - uv_timer_stop(handle); - uv_timer_start(handle, handle->timer_cb, handle->repeat, handle->repeat); - } - - return 0; -} - - -void uv_timer_set_repeat(uv_timer_t* handle, uint64_t repeat) { - handle->repeat = repeat; -} - - -uint64_t uv_timer_get_repeat(const uv_timer_t* handle) { - return handle->repeat; -} - - -int uv__next_timeout(const uv_loop_t* loop) { - const struct heap_node* heap_node; - const uv_timer_t* handle; - uint64_t diff; - - heap_node = heap_min((const struct heap*) &loop->timer_heap); - if (heap_node == NULL) - return -1; /* block indefinitely */ - - handle = container_of(heap_node, const uv_timer_t, heap_node); - if (handle->timeout <= loop->time) - return 0; - - diff = handle->timeout - loop->time; - if (diff > INT_MAX) - diff = INT_MAX; - - return diff; -} - - -void uv__run_timers(uv_loop_t* loop) { - struct heap_node* heap_node; - uv_timer_t* handle; - - for (;;) { - heap_node = heap_min((struct heap*) &loop->timer_heap); - if (heap_node == NULL) - break; - - handle = container_of(heap_node, uv_timer_t, heap_node); - if (handle->timeout > loop->time) - break; - - uv_timer_stop(handle); - uv_timer_again(handle); - handle->timer_cb(handle); - } -} - - -void uv__timer_close(uv_timer_t* handle) { - uv_timer_stop(handle); -} diff --git a/3rdparty/libuv/src/unix/tty.c b/3rdparty/libuv/src/unix/tty.c deleted file mode 100644 index 32fa37eac96..00000000000 --- a/3rdparty/libuv/src/unix/tty.c +++ /dev/null @@ -1,311 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" -#include "spinlock.h" - -#include <stdlib.h> -#include <assert.h> -#include <unistd.h> -#include <termios.h> -#include <errno.h> -#include <sys/ioctl.h> - -static int orig_termios_fd = -1; -static struct termios orig_termios; -static uv_spinlock_t termios_spinlock = UV_SPINLOCK_INITIALIZER; - -static int uv__tty_is_slave(const int fd) { - int result; -#if defined(__linux__) || defined(__FreeBSD__) - int dummy; - - result = ioctl(fd, TIOCGPTN, &dummy) != 0; -#elif defined(__APPLE__) - char dummy[256]; - - result = ioctl(fd, TIOCPTYGNAME, &dummy) != 0; -#else - /* Fallback to ptsname - */ - result = ptsname(fd) == NULL; -#endif - return result; -} - -int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, int fd, int readable) { - uv_handle_type type; - int flags; - int newfd; - int r; - char path[256]; - - /* File descriptors that refer to files cannot be monitored with epoll. - * That restriction also applies to character devices like /dev/random - * (but obviously not /dev/tty.) - */ - type = uv_guess_handle(fd); - if (type == UV_FILE || type == UV_UNKNOWN_HANDLE) - return -EINVAL; - - flags = 0; - newfd = -1; - - /* Reopen the file descriptor when it refers to a tty. This lets us put the - * tty in non-blocking mode without affecting other processes that share it - * with us. - * - * Example: `node | cat` - if we put our fd 0 in non-blocking mode, it also - * affects fd 1 of `cat` because both file descriptors refer to the same - * struct file in the kernel. When we reopen our fd 0, it points to a - * different struct file, hence changing its properties doesn't affect - * other processes. - */ - if (type == UV_TTY) { - /* Reopening a pty in master mode won't work either because the reopened - * pty will be in slave mode (*BSD) or reopening will allocate a new - * master/slave pair (Linux). Therefore check if the fd points to a - * slave device. - */ - if (uv__tty_is_slave(fd) && ttyname_r(fd, path, sizeof(path)) == 0) - r = uv__open_cloexec(path, O_RDWR); - else - r = -1; - - if (r < 0) { - /* fallback to using blocking writes */ - if (!readable) - flags |= UV_STREAM_BLOCKING; - goto skip; - } - - newfd = r; - - r = uv__dup2_cloexec(newfd, fd); - if (r < 0 && r != -EINVAL) { - /* EINVAL means newfd == fd which could conceivably happen if another - * thread called close(fd) between our calls to isatty() and open(). - * That's a rather unlikely event but let's handle it anyway. - */ - uv__close(newfd); - return r; - } - - fd = newfd; - } - -skip: - uv__stream_init(loop, (uv_stream_t*) tty, UV_TTY); - - /* If anything fails beyond this point we need to remove the handle from - * the handle queue, since it was added by uv__handle_init in uv_stream_init. - */ - -#if defined(__APPLE__) - r = uv__stream_try_select((uv_stream_t*) tty, &fd); - if (r) { - if (newfd != -1) - uv__close(newfd); - QUEUE_REMOVE(&tty->handle_queue); - return r; - } -#endif - - if (readable) - flags |= UV_STREAM_READABLE; - else - flags |= UV_STREAM_WRITABLE; - - if (!(flags & UV_STREAM_BLOCKING)) - uv__nonblock(fd, 1); - - uv__stream_open((uv_stream_t*) tty, fd, flags); - tty->mode = UV_TTY_MODE_NORMAL; - - return 0; -} - -static void uv__tty_make_raw(struct termios* tio) { - assert(tio != NULL); - -#ifdef __sun - /* - * This implementation of cfmakeraw for Solaris and derivatives is taken from - * http://www.perkin.org.uk/posts/solaris-portability-cfmakeraw.html. - */ - tio->c_iflag &= ~(IMAXBEL | IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | - IGNCR | ICRNL | IXON); - tio->c_oflag &= ~OPOST; - tio->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN); - tio->c_cflag &= ~(CSIZE | PARENB); - tio->c_cflag |= CS8; -#else - cfmakeraw(tio); -#endif /* #ifdef __sun */ -} - -int uv_tty_set_mode(uv_tty_t* tty, uv_tty_mode_t mode) { - struct termios tmp; - int fd; - - if (tty->mode == (int) mode) - return 0; - - fd = uv__stream_fd(tty); - if (tty->mode == UV_TTY_MODE_NORMAL && mode != UV_TTY_MODE_NORMAL) { - if (tcgetattr(fd, &tty->orig_termios)) - return -errno; - - /* This is used for uv_tty_reset_mode() */ - uv_spinlock_lock(&termios_spinlock); - if (orig_termios_fd == -1) { - orig_termios = tty->orig_termios; - orig_termios_fd = fd; - } - uv_spinlock_unlock(&termios_spinlock); - } - - tmp = tty->orig_termios; - switch (mode) { - case UV_TTY_MODE_NORMAL: - break; - case UV_TTY_MODE_RAW: - tmp.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON); - tmp.c_oflag |= (ONLCR); - tmp.c_cflag |= (CS8); - tmp.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG); - tmp.c_cc[VMIN] = 1; - tmp.c_cc[VTIME] = 0; - break; - case UV_TTY_MODE_IO: - uv__tty_make_raw(&tmp); - break; - } - - /* Apply changes after draining */ - if (tcsetattr(fd, TCSADRAIN, &tmp)) - return -errno; - - tty->mode = mode; - return 0; -} - - -int uv_tty_get_winsize(uv_tty_t* tty, int* width, int* height) { - struct winsize ws; - int err; - - do - err = ioctl(uv__stream_fd(tty), TIOCGWINSZ, &ws); - while (err == -1 && errno == EINTR); - - if (err == -1) - return -errno; - - *width = ws.ws_col; - *height = ws.ws_row; - - return 0; -} - - -uv_handle_type uv_guess_handle(uv_file file) { - struct sockaddr sa; - struct stat s; - socklen_t len; - int type; - - if (file < 0) - return UV_UNKNOWN_HANDLE; - - if (isatty(file)) - return UV_TTY; - - if (fstat(file, &s)) - return UV_UNKNOWN_HANDLE; - - if (S_ISREG(s.st_mode)) - return UV_FILE; - - if (S_ISCHR(s.st_mode)) - return UV_FILE; /* XXX UV_NAMED_PIPE? */ - - if (S_ISFIFO(s.st_mode)) - return UV_NAMED_PIPE; - - if (!S_ISSOCK(s.st_mode)) - return UV_UNKNOWN_HANDLE; - - len = sizeof(type); - if (getsockopt(file, SOL_SOCKET, SO_TYPE, &type, &len)) - return UV_UNKNOWN_HANDLE; - - len = sizeof(sa); - if (getsockname(file, &sa, &len)) - return UV_UNKNOWN_HANDLE; - - if (type == SOCK_DGRAM) - if (sa.sa_family == AF_INET || sa.sa_family == AF_INET6) - return UV_UDP; - - if (type == SOCK_STREAM) { -#if defined(_AIX) - /* on AIX the getsockname call returns an empty sa structure - * for sockets of type AF_UNIX. For all other types it will - * return a properly filled in structure. - */ - if (len == 0) - return UV_NAMED_PIPE; -#endif /* defined(_AIX) */ - - if (sa.sa_family == AF_INET || sa.sa_family == AF_INET6) - return UV_TCP; - if (sa.sa_family == AF_UNIX) - return UV_NAMED_PIPE; - } - - return UV_UNKNOWN_HANDLE; -} - - -/* This function is async signal-safe, meaning that it's safe to call from - * inside a signal handler _unless_ execution was inside uv_tty_set_mode()'s - * critical section when the signal was raised. - */ -int uv_tty_reset_mode(void) { - int saved_errno; - int err; - - saved_errno = errno; - if (!uv_spinlock_trylock(&termios_spinlock)) - return -EBUSY; /* In uv_tty_set_mode(). */ - - err = 0; - if (orig_termios_fd != -1) - if (tcsetattr(orig_termios_fd, TCSANOW, &orig_termios)) - err = -errno; - - uv_spinlock_unlock(&termios_spinlock); - errno = saved_errno; - - return err; -} diff --git a/3rdparty/libuv/src/unix/udp.c b/3rdparty/libuv/src/unix/udp.c deleted file mode 100644 index 39ade8de338..00000000000 --- a/3rdparty/libuv/src/unix/udp.c +++ /dev/null @@ -1,873 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "internal.h" - -#include <assert.h> -#include <string.h> -#include <errno.h> -#include <stdlib.h> -#include <unistd.h> - -#if defined(IPV6_JOIN_GROUP) && !defined(IPV6_ADD_MEMBERSHIP) -# define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP -#endif - -#if defined(IPV6_LEAVE_GROUP) && !defined(IPV6_DROP_MEMBERSHIP) -# define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP -#endif - - -static void uv__udp_run_completed(uv_udp_t* handle); -static void uv__udp_io(uv_loop_t* loop, uv__io_t* w, unsigned int revents); -static void uv__udp_recvmsg(uv_udp_t* handle); -static void uv__udp_sendmsg(uv_udp_t* handle); -static int uv__udp_maybe_deferred_bind(uv_udp_t* handle, - int domain, - unsigned int flags); - - -void uv__udp_close(uv_udp_t* handle) { - uv__io_close(handle->loop, &handle->io_watcher); - uv__handle_stop(handle); - - if (handle->io_watcher.fd != -1) { - uv__close(handle->io_watcher.fd); - handle->io_watcher.fd = -1; - } -} - - -void uv__udp_finish_close(uv_udp_t* handle) { - uv_udp_send_t* req; - QUEUE* q; - - assert(!uv__io_active(&handle->io_watcher, UV__POLLIN | UV__POLLOUT)); - assert(handle->io_watcher.fd == -1); - - while (!QUEUE_EMPTY(&handle->write_queue)) { - q = QUEUE_HEAD(&handle->write_queue); - QUEUE_REMOVE(q); - - req = QUEUE_DATA(q, uv_udp_send_t, queue); - req->status = -ECANCELED; - QUEUE_INSERT_TAIL(&handle->write_completed_queue, &req->queue); - } - - uv__udp_run_completed(handle); - - assert(handle->send_queue_size == 0); - assert(handle->send_queue_count == 0); - - /* Now tear down the handle. */ - handle->recv_cb = NULL; - handle->alloc_cb = NULL; - /* but _do not_ touch close_cb */ -} - - -static void uv__udp_run_completed(uv_udp_t* handle) { - uv_udp_send_t* req; - QUEUE* q; - - assert(!(handle->flags & UV_UDP_PROCESSING)); - handle->flags |= UV_UDP_PROCESSING; - - while (!QUEUE_EMPTY(&handle->write_completed_queue)) { - q = QUEUE_HEAD(&handle->write_completed_queue); - QUEUE_REMOVE(q); - - req = QUEUE_DATA(q, uv_udp_send_t, queue); - uv__req_unregister(handle->loop, req); - - handle->send_queue_size -= uv__count_bufs(req->bufs, req->nbufs); - handle->send_queue_count--; - - if (req->bufs != req->bufsml) - uv__free(req->bufs); - req->bufs = NULL; - - if (req->send_cb == NULL) - continue; - - /* req->status >= 0 == bytes written - * req->status < 0 == errno - */ - if (req->status >= 0) - req->send_cb(req, 0); - else - req->send_cb(req, req->status); - } - - if (QUEUE_EMPTY(&handle->write_queue)) { - /* Pending queue and completion queue empty, stop watcher. */ - uv__io_stop(handle->loop, &handle->io_watcher, UV__POLLOUT); - if (!uv__io_active(&handle->io_watcher, UV__POLLIN)) - uv__handle_stop(handle); - } - - handle->flags &= ~UV_UDP_PROCESSING; -} - - -static void uv__udp_io(uv_loop_t* loop, uv__io_t* w, unsigned int revents) { - uv_udp_t* handle; - - handle = container_of(w, uv_udp_t, io_watcher); - assert(handle->type == UV_UDP); - - if (revents & UV__POLLIN) - uv__udp_recvmsg(handle); - - if (revents & UV__POLLOUT) { - uv__udp_sendmsg(handle); - uv__udp_run_completed(handle); - } -} - - -static void uv__udp_recvmsg(uv_udp_t* handle) { - struct sockaddr_storage peer; - struct msghdr h; - ssize_t nread; - uv_buf_t buf; - int flags; - int count; - - assert(handle->recv_cb != NULL); - assert(handle->alloc_cb != NULL); - - /* Prevent loop starvation when the data comes in as fast as (or faster than) - * we can read it. XXX Need to rearm fd if we switch to edge-triggered I/O. - */ - count = 32; - - memset(&h, 0, sizeof(h)); - h.msg_name = &peer; - - do { - handle->alloc_cb((uv_handle_t*) handle, 64 * 1024, &buf); - if (buf.len == 0) { - handle->recv_cb(handle, UV_ENOBUFS, &buf, NULL, 0); - return; - } - assert(buf.base != NULL); - - h.msg_namelen = sizeof(peer); - h.msg_iov = (void*) &buf; - h.msg_iovlen = 1; - - do { - nread = recvmsg(handle->io_watcher.fd, &h, 0); - } - while (nread == -1 && errno == EINTR); - - if (nread == -1) { - if (errno == EAGAIN || errno == EWOULDBLOCK) - handle->recv_cb(handle, 0, &buf, NULL, 0); - else - handle->recv_cb(handle, -errno, &buf, NULL, 0); - } - else { - const struct sockaddr *addr; - if (h.msg_namelen == 0) - addr = NULL; - else - addr = (const struct sockaddr*) &peer; - - flags = 0; - if (h.msg_flags & MSG_TRUNC) - flags |= UV_UDP_PARTIAL; - - handle->recv_cb(handle, nread, &buf, addr, flags); - } - } - /* recv_cb callback may decide to pause or close the handle */ - while (nread != -1 - && count-- > 0 - && handle->io_watcher.fd != -1 - && handle->recv_cb != NULL); -} - - -static void uv__udp_sendmsg(uv_udp_t* handle) { - uv_udp_send_t* req; - QUEUE* q; - struct msghdr h; - ssize_t size; - - while (!QUEUE_EMPTY(&handle->write_queue)) { - q = QUEUE_HEAD(&handle->write_queue); - assert(q != NULL); - - req = QUEUE_DATA(q, uv_udp_send_t, queue); - assert(req != NULL); - - memset(&h, 0, sizeof h); - h.msg_name = &req->addr; - h.msg_namelen = (req->addr.ss_family == AF_INET6 ? - sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in)); - h.msg_iov = (struct iovec*) req->bufs; - h.msg_iovlen = req->nbufs; - - do { - size = sendmsg(handle->io_watcher.fd, &h, 0); - } while (size == -1 && errno == EINTR); - - if (size == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) - break; - - req->status = (size == -1 ? -errno : size); - - /* Sending a datagram is an atomic operation: either all data - * is written or nothing is (and EMSGSIZE is raised). That is - * why we don't handle partial writes. Just pop the request - * off the write queue and onto the completed queue, done. - */ - QUEUE_REMOVE(&req->queue); - QUEUE_INSERT_TAIL(&handle->write_completed_queue, &req->queue); - uv__io_feed(handle->loop, &handle->io_watcher); - } -} - - -/* On the BSDs, SO_REUSEPORT implies SO_REUSEADDR but with some additional - * refinements for programs that use multicast. - * - * Linux as of 3.9 has a SO_REUSEPORT socket option but with semantics that - * are different from the BSDs: it _shares_ the port rather than steal it - * from the current listener. While useful, it's not something we can emulate - * on other platforms so we don't enable it. - */ -static int uv__set_reuse(int fd) { - int yes; - -#if defined(SO_REUSEPORT) && !defined(__linux__) - yes = 1; - if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &yes, sizeof(yes))) - return -errno; -#else - yes = 1; - if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes))) - return -errno; -#endif - - return 0; -} - - -int uv__udp_bind(uv_udp_t* handle, - const struct sockaddr* addr, - unsigned int addrlen, - unsigned int flags) { - int err; - int yes; - int fd; - - /* Check for bad flags. */ - if (flags & ~(UV_UDP_IPV6ONLY | UV_UDP_REUSEADDR)) - return -EINVAL; - - /* Cannot set IPv6-only mode on non-IPv6 socket. */ - if ((flags & UV_UDP_IPV6ONLY) && addr->sa_family != AF_INET6) - return -EINVAL; - - fd = handle->io_watcher.fd; - if (fd == -1) { - err = uv__socket(addr->sa_family, SOCK_DGRAM, 0); - if (err < 0) - return err; - fd = err; - handle->io_watcher.fd = fd; - } - - if (flags & UV_UDP_REUSEADDR) { - err = uv__set_reuse(fd); - if (err) - goto out; - } - - if (flags & UV_UDP_IPV6ONLY) { -#ifdef IPV6_V6ONLY - yes = 1; - if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &yes, sizeof yes) == -1) { - err = -errno; - goto out; - } -#else - err = -ENOTSUP; - goto out; -#endif - } - - if (bind(fd, addr, addrlen)) { - err = -errno; - if (errno == EAFNOSUPPORT) - /* OSX, other BSDs and SunoS fail with EAFNOSUPPORT when binding a - * socket created with AF_INET to an AF_INET6 address or vice versa. */ - err = -EINVAL; - goto out; - } - - if (addr->sa_family == AF_INET6) - handle->flags |= UV_HANDLE_IPV6; - - return 0; - -out: - uv__close(handle->io_watcher.fd); - handle->io_watcher.fd = -1; - return err; -} - - -static int uv__udp_maybe_deferred_bind(uv_udp_t* handle, - int domain, - unsigned int flags) { - unsigned char taddr[sizeof(struct sockaddr_in6)]; - socklen_t addrlen; - - if (handle->io_watcher.fd != -1) - return 0; - - switch (domain) { - case AF_INET: - { - struct sockaddr_in* addr = (void*)&taddr; - memset(addr, 0, sizeof *addr); - addr->sin_family = AF_INET; - addr->sin_addr.s_addr = INADDR_ANY; - addrlen = sizeof *addr; - break; - } - case AF_INET6: - { - struct sockaddr_in6* addr = (void*)&taddr; - memset(addr, 0, sizeof *addr); - addr->sin6_family = AF_INET6; - addr->sin6_addr = in6addr_any; - addrlen = sizeof *addr; - break; - } - default: - assert(0 && "unsupported address family"); - abort(); - } - - return uv__udp_bind(handle, (const struct sockaddr*) &taddr, addrlen, flags); -} - - -int uv__udp_send(uv_udp_send_t* req, - uv_udp_t* handle, - const uv_buf_t bufs[], - unsigned int nbufs, - const struct sockaddr* addr, - unsigned int addrlen, - uv_udp_send_cb send_cb) { - int err; - int empty_queue; - - assert(nbufs > 0); - - err = uv__udp_maybe_deferred_bind(handle, addr->sa_family, 0); - if (err) - return err; - - /* It's legal for send_queue_count > 0 even when the write_queue is empty; - * it means there are error-state requests in the write_completed_queue that - * will touch up send_queue_size/count later. - */ - empty_queue = (handle->send_queue_count == 0); - - uv__req_init(handle->loop, req, UV_UDP_SEND); - assert(addrlen <= sizeof(req->addr)); - memcpy(&req->addr, addr, addrlen); - req->send_cb = send_cb; - req->handle = handle; - req->nbufs = nbufs; - - req->bufs = req->bufsml; - if (nbufs > ARRAY_SIZE(req->bufsml)) - req->bufs = uv__malloc(nbufs * sizeof(bufs[0])); - - if (req->bufs == NULL) { - uv__req_unregister(handle->loop, req); - return -ENOMEM; - } - - memcpy(req->bufs, bufs, nbufs * sizeof(bufs[0])); - handle->send_queue_size += uv__count_bufs(req->bufs, req->nbufs); - handle->send_queue_count++; - QUEUE_INSERT_TAIL(&handle->write_queue, &req->queue); - uv__handle_start(handle); - - if (empty_queue && !(handle->flags & UV_UDP_PROCESSING)) { - uv__udp_sendmsg(handle); - } else { - uv__io_start(handle->loop, &handle->io_watcher, UV__POLLOUT); - } - - return 0; -} - - -int uv__udp_try_send(uv_udp_t* handle, - const uv_buf_t bufs[], - unsigned int nbufs, - const struct sockaddr* addr, - unsigned int addrlen) { - int err; - struct msghdr h; - ssize_t size; - - assert(nbufs > 0); - - /* already sending a message */ - if (handle->send_queue_count != 0) - return -EAGAIN; - - err = uv__udp_maybe_deferred_bind(handle, addr->sa_family, 0); - if (err) - return err; - - memset(&h, 0, sizeof h); - h.msg_name = (struct sockaddr*) addr; - h.msg_namelen = addrlen; - h.msg_iov = (struct iovec*) bufs; - h.msg_iovlen = nbufs; - - do { - size = sendmsg(handle->io_watcher.fd, &h, 0); - } while (size == -1 && errno == EINTR); - - if (size == -1) { - if (errno == EAGAIN || errno == EWOULDBLOCK) - return -EAGAIN; - else - return -errno; - } - - return size; -} - - -static int uv__udp_set_membership4(uv_udp_t* handle, - const struct sockaddr_in* multicast_addr, - const char* interface_addr, - uv_membership membership) { - struct ip_mreq mreq; - int optname; - int err; - - memset(&mreq, 0, sizeof mreq); - - if (interface_addr) { - err = uv_inet_pton(AF_INET, interface_addr, &mreq.imr_interface.s_addr); - if (err) - return err; - } else { - mreq.imr_interface.s_addr = htonl(INADDR_ANY); - } - - mreq.imr_multiaddr.s_addr = multicast_addr->sin_addr.s_addr; - - switch (membership) { - case UV_JOIN_GROUP: - optname = IP_ADD_MEMBERSHIP; - break; - case UV_LEAVE_GROUP: - optname = IP_DROP_MEMBERSHIP; - break; - default: - return -EINVAL; - } - - if (setsockopt(handle->io_watcher.fd, - IPPROTO_IP, - optname, - &mreq, - sizeof(mreq))) { - return -errno; - } - - return 0; -} - - -static int uv__udp_set_membership6(uv_udp_t* handle, - const struct sockaddr_in6* multicast_addr, - const char* interface_addr, - uv_membership membership) { - int optname; - struct ipv6_mreq mreq; - struct sockaddr_in6 addr6; - - memset(&mreq, 0, sizeof mreq); - - if (interface_addr) { - if (uv_ip6_addr(interface_addr, 0, &addr6)) - return -EINVAL; - mreq.ipv6mr_interface = addr6.sin6_scope_id; - } else { - mreq.ipv6mr_interface = 0; - } - - mreq.ipv6mr_multiaddr = multicast_addr->sin6_addr; - - switch (membership) { - case UV_JOIN_GROUP: - optname = IPV6_ADD_MEMBERSHIP; - break; - case UV_LEAVE_GROUP: - optname = IPV6_DROP_MEMBERSHIP; - break; - default: - return -EINVAL; - } - - if (setsockopt(handle->io_watcher.fd, - IPPROTO_IPV6, - optname, - &mreq, - sizeof(mreq))) { - return -errno; - } - - return 0; -} - - -int uv_udp_init_ex(uv_loop_t* loop, uv_udp_t* handle, unsigned int flags) { - int domain; - int err; - int fd; - - /* Use the lower 8 bits for the domain */ - domain = flags & 0xFF; - if (domain != AF_INET && domain != AF_INET6 && domain != AF_UNSPEC) - return -EINVAL; - - if (flags & ~0xFF) - return -EINVAL; - - if (domain != AF_UNSPEC) { - err = uv__socket(domain, SOCK_DGRAM, 0); - if (err < 0) - return err; - fd = err; - } else { - fd = -1; - } - - uv__handle_init(loop, (uv_handle_t*)handle, UV_UDP); - handle->alloc_cb = NULL; - handle->recv_cb = NULL; - handle->send_queue_size = 0; - handle->send_queue_count = 0; - uv__io_init(&handle->io_watcher, uv__udp_io, fd); - QUEUE_INIT(&handle->write_queue); - QUEUE_INIT(&handle->write_completed_queue); - return 0; -} - - -int uv_udp_init(uv_loop_t* loop, uv_udp_t* handle) { - return uv_udp_init_ex(loop, handle, AF_UNSPEC); -} - - -int uv_udp_open(uv_udp_t* handle, uv_os_sock_t sock) { - int err; - - /* Check for already active socket. */ - if (handle->io_watcher.fd != -1) - return -EBUSY; - - err = uv__nonblock(sock, 1); - if (err) - return err; - - err = uv__set_reuse(sock); - if (err) - return err; - - handle->io_watcher.fd = sock; - return 0; -} - - -int uv_udp_set_membership(uv_udp_t* handle, - const char* multicast_addr, - const char* interface_addr, - uv_membership membership) { - int err; - struct sockaddr_in addr4; - struct sockaddr_in6 addr6; - - if (uv_ip4_addr(multicast_addr, 0, &addr4) == 0) { - err = uv__udp_maybe_deferred_bind(handle, AF_INET, UV_UDP_REUSEADDR); - if (err) - return err; - return uv__udp_set_membership4(handle, &addr4, interface_addr, membership); - } else if (uv_ip6_addr(multicast_addr, 0, &addr6) == 0) { - err = uv__udp_maybe_deferred_bind(handle, AF_INET6, UV_UDP_REUSEADDR); - if (err) - return err; - return uv__udp_set_membership6(handle, &addr6, interface_addr, membership); - } else { - return -EINVAL; - } -} - -static int uv__setsockopt(uv_udp_t* handle, - int option4, - int option6, - const void* val, - size_t size) { - int r; - - if (handle->flags & UV_HANDLE_IPV6) - r = setsockopt(handle->io_watcher.fd, - IPPROTO_IPV6, - option6, - val, - size); - else - r = setsockopt(handle->io_watcher.fd, - IPPROTO_IP, - option4, - val, - size); - if (r) - return -errno; - - return 0; -} - -static int uv__setsockopt_maybe_char(uv_udp_t* handle, - int option4, - int option6, - int val) { -#if defined(__sun) || defined(_AIX) - char arg = val; -#elif defined(__OpenBSD__) - unsigned char arg = val; -#else - int arg = val; -#endif - - if (val < 0 || val > 255) - return -EINVAL; - - return uv__setsockopt(handle, option4, option6, &arg, sizeof(arg)); -} - - -int uv_udp_set_broadcast(uv_udp_t* handle, int on) { - if (setsockopt(handle->io_watcher.fd, - SOL_SOCKET, - SO_BROADCAST, - &on, - sizeof(on))) { - return -errno; - } - - return 0; -} - - -int uv_udp_set_ttl(uv_udp_t* handle, int ttl) { - if (ttl < 1 || ttl > 255) - return -EINVAL; - -/* - * On Solaris and derivatives such as SmartOS, the length of socket options - * is sizeof(int) for IP_TTL and IPV6_UNICAST_HOPS, - * so hardcode the size of these options on this platform, - * and use the general uv__setsockopt_maybe_char call on other platforms. - */ -#if defined(__sun) || defined(_AIX) || defined(__OpenBSD__) - return uv__setsockopt(handle, - IP_TTL, - IPV6_UNICAST_HOPS, - &ttl, - sizeof(ttl)); -#endif /* defined(__sun) || defined(_AIX) || defined (__OpenBSD__) */ - - return uv__setsockopt_maybe_char(handle, - IP_TTL, - IPV6_UNICAST_HOPS, - ttl); -} - - -int uv_udp_set_multicast_ttl(uv_udp_t* handle, int ttl) { -/* - * On Solaris and derivatives such as SmartOS, the length of socket options - * is sizeof(int) for IPV6_MULTICAST_HOPS and sizeof(char) for - * IP_MULTICAST_TTL, so hardcode the size of the option in the IPv6 case, - * and use the general uv__setsockopt_maybe_char call otherwise. - */ -#if defined(__sun) || defined(_AIX) - if (handle->flags & UV_HANDLE_IPV6) - return uv__setsockopt(handle, - IP_MULTICAST_TTL, - IPV6_MULTICAST_HOPS, - &ttl, - sizeof(ttl)); -#endif /* defined(__sun) || defined(_AIX) */ - - return uv__setsockopt_maybe_char(handle, - IP_MULTICAST_TTL, - IPV6_MULTICAST_HOPS, - ttl); -} - - -int uv_udp_set_multicast_loop(uv_udp_t* handle, int on) { -/* - * On Solaris and derivatives such as SmartOS, the length of socket options - * is sizeof(int) for IPV6_MULTICAST_LOOP and sizeof(char) for - * IP_MULTICAST_LOOP, so hardcode the size of the option in the IPv6 case, - * and use the general uv__setsockopt_maybe_char call otherwise. - */ -#if defined(__sun) || defined(_AIX) - if (handle->flags & UV_HANDLE_IPV6) - return uv__setsockopt(handle, - IP_MULTICAST_LOOP, - IPV6_MULTICAST_LOOP, - &on, - sizeof(on)); -#endif /* defined(__sun) || defined(_AIX) */ - - return uv__setsockopt_maybe_char(handle, - IP_MULTICAST_LOOP, - IPV6_MULTICAST_LOOP, - on); -} - -int uv_udp_set_multicast_interface(uv_udp_t* handle, const char* interface_addr) { - struct sockaddr_storage addr_st; - struct sockaddr_in* addr4; - struct sockaddr_in6* addr6; - - addr4 = (struct sockaddr_in*) &addr_st; - addr6 = (struct sockaddr_in6*) &addr_st; - - if (!interface_addr) { - memset(&addr_st, 0, sizeof addr_st); - if (handle->flags & UV_HANDLE_IPV6) { - addr_st.ss_family = AF_INET6; - addr6->sin6_scope_id = 0; - } else { - addr_st.ss_family = AF_INET; - addr4->sin_addr.s_addr = htonl(INADDR_ANY); - } - } else if (uv_ip4_addr(interface_addr, 0, addr4) == 0) { - /* nothing, address was parsed */ - } else if (uv_ip6_addr(interface_addr, 0, addr6) == 0) { - /* nothing, address was parsed */ - } else { - return -EINVAL; - } - - if (addr_st.ss_family == AF_INET) { - if (setsockopt(handle->io_watcher.fd, - IPPROTO_IP, - IP_MULTICAST_IF, - (void*) &addr4->sin_addr, - sizeof(addr4->sin_addr)) == -1) { - return -errno; - } - } else if (addr_st.ss_family == AF_INET6) { - if (setsockopt(handle->io_watcher.fd, - IPPROTO_IPV6, - IPV6_MULTICAST_IF, - &addr6->sin6_scope_id, - sizeof(addr6->sin6_scope_id)) == -1) { - return -errno; - } - } else { - assert(0 && "unexpected address family"); - abort(); - } - - return 0; -} - - -int uv_udp_getsockname(const uv_udp_t* handle, - struct sockaddr* name, - int* namelen) { - socklen_t socklen; - - if (handle->io_watcher.fd == -1) - return -EINVAL; /* FIXME(bnoordhuis) -EBADF */ - - /* sizeof(socklen_t) != sizeof(int) on some systems. */ - socklen = (socklen_t) *namelen; - - if (getsockname(handle->io_watcher.fd, name, &socklen)) - return -errno; - - *namelen = (int) socklen; - return 0; -} - - -int uv__udp_recv_start(uv_udp_t* handle, - uv_alloc_cb alloc_cb, - uv_udp_recv_cb recv_cb) { - int err; - - if (alloc_cb == NULL || recv_cb == NULL) - return -EINVAL; - - if (uv__io_active(&handle->io_watcher, UV__POLLIN)) - return -EALREADY; /* FIXME(bnoordhuis) Should be -EBUSY. */ - - err = uv__udp_maybe_deferred_bind(handle, AF_INET, 0); - if (err) - return err; - - handle->alloc_cb = alloc_cb; - handle->recv_cb = recv_cb; - - uv__io_start(handle->loop, &handle->io_watcher, UV__POLLIN); - uv__handle_start(handle); - - return 0; -} - - -int uv__udp_recv_stop(uv_udp_t* handle) { - uv__io_stop(handle->loop, &handle->io_watcher, UV__POLLIN); - - if (!uv__io_active(&handle->io_watcher, UV__POLLOUT)) - uv__handle_stop(handle); - - handle->alloc_cb = NULL; - handle->recv_cb = NULL; - - return 0; -} |