diff options
Diffstat (limited to '3rdparty/luv/src/fs_poll.c')
-rw-r--r-- | 3rdparty/luv/src/fs_poll.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/3rdparty/luv/src/fs_poll.c b/3rdparty/luv/src/fs_poll.c new file mode 100644 index 00000000000..7ead32f322c --- /dev/null +++ b/3rdparty/luv/src/fs_poll.c @@ -0,0 +1,90 @@ +/* + * Copyright 2014 The Luvit Authors. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#include "luv.h" + +static uv_fs_poll_t* luv_check_fs_poll(lua_State* L, int index) { + uv_fs_poll_t* handle = luv_checkudata(L, index, "uv_fs_poll"); + luaL_argcheck(L, handle->type == UV_FS_POLL && handle->data, index, "Expected uv_fs_poll_t"); + return handle; +} + +static int luv_new_fs_poll(lua_State* L) { + uv_fs_poll_t* handle = luv_newuserdata(L, sizeof(*handle)); + int ret = uv_fs_poll_init(luv_loop(L), handle); + if (ret < 0) { + lua_pop(L, 1); + return luv_error(L, ret); + } + handle->data = luv_setup_handle(L); + return 1; +} + +static void luv_fs_poll_cb(uv_fs_poll_t* handle, int status, const uv_stat_t* prev, const uv_stat_t* curr) { + lua_State* L = luv_state(handle->loop); + + // err + luv_status(L, status); + + // prev + if (prev) { + luv_push_stats_table(L, prev); + } + else { + lua_pushnil(L); + } + + // curr + if (curr) { + luv_push_stats_table(L, curr); + } + else { + lua_pushnil(L); + } + + luv_call_callback(L, handle->data, LUV_FS_POLL, 3); +} + +static int luv_fs_poll_start(lua_State* L) { + uv_fs_poll_t* handle = luv_check_fs_poll(L, 1); + const char* path = luaL_checkstring(L, 2); + unsigned int interval = luaL_checkinteger(L, 3); + int ret; + luv_check_callback(L, handle->data, LUV_FS_POLL, 4); + ret = uv_fs_poll_start(handle, luv_fs_poll_cb, path, interval); + if (ret < 0) return luv_error(L, ret); + lua_pushinteger(L, ret); + return 1; +} + +static int luv_fs_poll_stop(lua_State* L) { + uv_fs_poll_t* handle = luv_check_fs_poll(L, 1); + int ret = uv_fs_poll_stop(handle); + if (ret < 0) return luv_error(L, ret); + lua_pushinteger(L, ret); + return 1; +} + +static int luv_fs_poll_getpath(lua_State* L) { + uv_fs_poll_t* handle = luv_check_fs_poll(L, 1); + size_t len = 2*PATH_MAX; + char buf[2*PATH_MAX]; + int ret = uv_fs_poll_getpath(handle, buf, &len); + if (ret < 0) return luv_error(L, ret); + lua_pushlstring(L, buf, len); + return 1; +} |