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/* 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__set_artificial_error(handle->loop, UV_EINVAL); \
ngx_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; \
ngx_queue_remove(&handle->queue); \
uv__handle_stop(handle); \
return 0; \
} \
\
void uv__run_##name(uv_loop_t* loop) { \
uv_##name##_t* h; \
ngx_queue_t* q; \
ngx_queue_foreach(q, &loop->name##_handles) { \
h = ngx_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)
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