/* 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* q; \ QUEUE_FOREACH(q, &loop->name##_handles) { \ h = QUEUE_DATA(q, uv_##name##_t, queue); \ h->name##_cb(h, 0); \ } \ } \ \ 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)