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Diffstat (limited to '3rdparty/libuv/test/runner-unix.c')
-rw-r--r--3rdparty/libuv/test/runner-unix.c400
1 files changed, 400 insertions, 0 deletions
diff --git a/3rdparty/libuv/test/runner-unix.c b/3rdparty/libuv/test/runner-unix.c
new file mode 100644
index 00000000000..2264d1e89d5
--- /dev/null
+++ b/3rdparty/libuv/test/runner-unix.c
@@ -0,0 +1,400 @@
+/* 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 "runner-unix.h"
+#include "runner.h"
+
+#include <limits.h>
+#include <stdint.h> /* uintptr_t */
+
+#include <errno.h>
+#include <unistd.h> /* readlink, usleep */
+#include <string.h> /* strdup */
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <assert.h>
+
+#include <sys/select.h>
+#include <sys/time.h>
+#include <pthread.h>
+
+
+/* Do platform-specific initialization. */
+int platform_init(int argc, char **argv) {
+ const char* tap;
+
+ tap = getenv("UV_TAP_OUTPUT");
+ tap_output = (tap != NULL && atoi(tap) > 0);
+
+ /* Disable stdio output buffering. */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+ signal(SIGPIPE, SIG_IGN);
+
+ if (realpath(argv[0], executable_path) == NULL) {
+ perror("realpath");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+/* Invoke "argv[0] test-name [test-part]". Store process info in *p. */
+/* Make sure that all stdio output of the processes is buffered up. */
+int process_start(char* name, char* part, process_info_t* p, int is_helper) {
+ FILE* stdout_file;
+ const char* arg;
+ char* args[16];
+ int n;
+ pid_t pid;
+
+ stdout_file = tmpfile();
+ if (!stdout_file) {
+ perror("tmpfile");
+ return -1;
+ }
+
+ p->terminated = 0;
+ p->status = 0;
+
+ pid = fork();
+
+ if (pid < 0) {
+ perror("fork");
+ return -1;
+ }
+
+ if (pid == 0) {
+ /* child */
+ arg = getenv("UV_USE_VALGRIND");
+ n = 0;
+
+ /* Disable valgrind for helpers, it complains about helpers leaking memory.
+ * They're killed after the test and as such never get a chance to clean up.
+ */
+ if (is_helper == 0 && arg != NULL && atoi(arg) != 0) {
+ args[n++] = "valgrind";
+ args[n++] = "--quiet";
+ args[n++] = "--leak-check=full";
+ args[n++] = "--show-reachable=yes";
+ args[n++] = "--error-exitcode=125";
+ }
+
+ args[n++] = executable_path;
+ args[n++] = name;
+ args[n++] = part;
+ args[n++] = NULL;
+
+ dup2(fileno(stdout_file), STDOUT_FILENO);
+ dup2(fileno(stdout_file), STDERR_FILENO);
+ execvp(args[0], args);
+ perror("execvp()");
+ _exit(127);
+ }
+
+ /* parent */
+ p->pid = pid;
+ p->name = strdup(name);
+ p->stdout_file = stdout_file;
+
+ return 0;
+}
+
+
+typedef struct {
+ int pipe[2];
+ process_info_t* vec;
+ int n;
+} dowait_args;
+
+
+/* This function is run inside a pthread. We do this so that we can possibly
+ * timeout.
+ */
+static void* dowait(void* data) {
+ dowait_args* args = data;
+
+ int i, r;
+ process_info_t* p;
+
+ for (i = 0; i < args->n; i++) {
+ p = (process_info_t*)(args->vec + i * sizeof(process_info_t));
+ if (p->terminated) continue;
+ r = waitpid(p->pid, &p->status, 0);
+ if (r < 0) {
+ perror("waitpid");
+ return NULL;
+ }
+ p->terminated = 1;
+ }
+
+ if (args->pipe[1] >= 0) {
+ /* Write a character to the main thread to notify it about this. */
+ ssize_t r;
+
+ do
+ r = write(args->pipe[1], "", 1);
+ while (r == -1 && errno == EINTR);
+ }
+
+ return NULL;
+}
+
+
+/* Wait for all `n` processes in `vec` to terminate. */
+/* Time out after `timeout` msec, or never if timeout == -1 */
+/* Return 0 if all processes are terminated, -1 on error, -2 on timeout. */
+int process_wait(process_info_t* vec, int n, int timeout) {
+ int i;
+ int r;
+ int retval;
+ process_info_t* p;
+ dowait_args args;
+ pthread_t tid;
+ pthread_attr_t attr;
+ unsigned int elapsed_ms;
+ struct timeval timebase;
+ struct timeval tv;
+ fd_set fds;
+
+ args.vec = vec;
+ args.n = n;
+ args.pipe[0] = -1;
+ args.pipe[1] = -1;
+
+ /* The simple case is where there is no timeout */
+ if (timeout == -1) {
+ dowait(&args);
+ return 0;
+ }
+
+ /* Hard case. Do the wait with a timeout.
+ *
+ * Assumption: we are the only ones making this call right now. Otherwise
+ * we'd need to lock vec.
+ */
+
+ r = pipe((int*)&(args.pipe));
+ if (r) {
+ perror("pipe()");
+ return -1;
+ }
+
+ if (pthread_attr_init(&attr))
+ abort();
+
+ if (pthread_attr_setstacksize(&attr, 256 * 1024))
+ abort();
+
+ r = pthread_create(&tid, &attr, dowait, &args);
+
+ if (pthread_attr_destroy(&attr))
+ abort();
+
+ if (r) {
+ perror("pthread_create()");
+ retval = -1;
+ goto terminate;
+ }
+
+ if (gettimeofday(&timebase, NULL))
+ abort();
+
+ tv = timebase;
+ for (;;) {
+ /* Check that gettimeofday() doesn't jump back in time. */
+ assert(tv.tv_sec == timebase.tv_sec ||
+ (tv.tv_sec == timebase.tv_sec && tv.tv_usec >= timebase.tv_usec));
+
+ elapsed_ms =
+ (tv.tv_sec - timebase.tv_sec) * 1000 +
+ (tv.tv_usec / 1000) -
+ (timebase.tv_usec / 1000);
+
+ r = 0; /* Timeout. */
+ if (elapsed_ms >= (unsigned) timeout)
+ break;
+
+ tv.tv_sec = (timeout - elapsed_ms) / 1000;
+ tv.tv_usec = (timeout - elapsed_ms) % 1000 * 1000;
+
+ FD_ZERO(&fds);
+ FD_SET(args.pipe[0], &fds);
+
+ r = select(args.pipe[0] + 1, &fds, NULL, NULL, &tv);
+ if (!(r == -1 && errno == EINTR))
+ break;
+
+ if (gettimeofday(&tv, NULL))
+ abort();
+ }
+
+ if (r == -1) {
+ perror("select()");
+ retval = -1;
+
+ } else if (r) {
+ /* The thread completed successfully. */
+ retval = 0;
+
+ } else {
+ /* Timeout. Kill all the children. */
+ for (i = 0; i < n; i++) {
+ p = (process_info_t*)(vec + i * sizeof(process_info_t));
+ kill(p->pid, SIGTERM);
+ }
+ retval = -2;
+ }
+
+ if (pthread_join(tid, NULL))
+ abort();
+
+terminate:
+ close(args.pipe[0]);
+ close(args.pipe[1]);
+ return retval;
+}
+
+
+/* Returns the number of bytes in the stdio output buffer for process `p`. */
+long int process_output_size(process_info_t *p) {
+ /* Size of the p->stdout_file */
+ struct stat buf;
+
+ int r = fstat(fileno(p->stdout_file), &buf);
+ if (r < 0) {
+ return -1;
+ }
+
+ return (long)buf.st_size;
+}
+
+
+/* Copy the contents of the stdio output buffer to `fd`. */
+int process_copy_output(process_info_t *p, int fd) {
+ ssize_t nwritten;
+ char buf[1024];
+ int r;
+
+ r = fseek(p->stdout_file, 0, SEEK_SET);
+ if (r < 0) {
+ perror("fseek");
+ return -1;
+ }
+
+ /* TODO: what if the line is longer than buf */
+ while (fgets(buf, sizeof(buf), p->stdout_file) != NULL) {
+ /* TODO: what if write doesn't write the whole buffer... */
+ nwritten = 0;
+
+ if (tap_output)
+ nwritten += write(fd, "#", 1);
+
+ nwritten += write(fd, buf, strlen(buf));
+
+ if (nwritten < 0) {
+ perror("write");
+ return -1;
+ }
+ }
+
+ if (ferror(p->stdout_file)) {
+ perror("read");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+/* Copy the last line of the stdio output buffer to `buffer` */
+int process_read_last_line(process_info_t *p,
+ char* buffer,
+ size_t buffer_len) {
+ char* ptr;
+
+ int r = fseek(p->stdout_file, 0, SEEK_SET);
+ if (r < 0) {
+ perror("fseek");
+ return -1;
+ }
+
+ buffer[0] = '\0';
+
+ while (fgets(buffer, buffer_len, p->stdout_file) != NULL) {
+ for (ptr = buffer; *ptr && *ptr != '\r' && *ptr != '\n'; ptr++);
+ *ptr = '\0';
+ }
+
+ if (ferror(p->stdout_file)) {
+ perror("read");
+ buffer[0] = '\0';
+ return -1;
+ }
+ return 0;
+}
+
+
+/* Return the name that was specified when `p` was started by process_start */
+char* process_get_name(process_info_t *p) {
+ return p->name;
+}
+
+
+/* Terminate process `p`. */
+int process_terminate(process_info_t *p) {
+ return kill(p->pid, SIGTERM);
+}
+
+
+/* Return the exit code of process p. */
+/* On error, return -1. */
+int process_reap(process_info_t *p) {
+ if (WIFEXITED(p->status)) {
+ return WEXITSTATUS(p->status);
+ } else {
+ return p->status; /* ? */
+ }
+}
+
+
+/* Clean up after terminating process `p` (e.g. free the output buffer etc.). */
+void process_cleanup(process_info_t *p) {
+ fclose(p->stdout_file);
+ free(p->name);
+}
+
+
+/* Move the console cursor one line up and back to the first column. */
+void rewind_cursor(void) {
+ fprintf(stderr, "\033[2K\r");
+}
+
+
+/* Pause the calling thread for a number of milliseconds. */
+void uv_sleep(int msec) {
+ usleep(msec * 1000);
+}