| /* 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 UV_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) |