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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"
static void uv__check(EV_P_ ev_check* w, int revents) {
uv_check_t* check = container_of(w, uv_check_t, check_watcher);
if (check->check_cb) {
check->check_cb(check, 0);
}
}
int uv_check_init(uv_loop_t* loop, uv_check_t* check) {
uv__handle_init(loop, (uv_handle_t*)check, UV_CHECK);
loop->counters.check_init++;
ev_check_init(&check->check_watcher, uv__check);
check->check_cb = NULL;
return 0;
}
int uv_check_start(uv_check_t* check, uv_check_cb cb) {
int was_active = ev_is_active(&check->check_watcher);
check->check_cb = cb;
ev_check_start(check->loop->ev, &check->check_watcher);
if (!was_active) {
ev_unref(check->loop->ev);
}
return 0;
}
int uv_check_stop(uv_check_t* check) {
int was_active = ev_is_active(&check->check_watcher);
ev_check_stop(check->loop->ev, &check->check_watcher);
if (was_active) {
ev_ref(check->loop->ev);
}
return 0;
}
int uv__check_active(const uv_check_t* handle) {
return ev_is_active(&handle->check_watcher);
}
void uv__check_close(uv_check_t* handle) {
uv_check_stop(handle);
}
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