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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"
#include <assert.h>
static int uv__timer_repeating(const uv_timer_t* timer) {
return timer->flags & UV_TIMER_REPEAT;
}
static void uv__timer_cb(EV_P_ ev_timer* w, int revents) {
uv_timer_t* timer = container_of(w, uv_timer_t, timer_watcher);
assert(uv__timer_active(timer));
if (!uv__timer_repeating(timer)) {
timer->flags &= ~UV_TIMER_ACTIVE;
ev_ref(EV_A);
}
if (timer->timer_cb) {
timer->timer_cb(timer, 0);
}
}
int uv_timer_init(uv_loop_t* loop, uv_timer_t* timer) {
uv__handle_init(loop, (uv_handle_t*)timer, UV_TIMER);
loop->counters.timer_init++;
ev_init(&timer->timer_watcher, uv__timer_cb);
return 0;
}
int uv_timer_start(uv_timer_t* timer, uv_timer_cb cb, int64_t timeout,
int64_t repeat) {
if (uv__timer_active(timer)) {
return -1;
}
timer->timer_cb = cb;
timer->flags |= UV_TIMER_ACTIVE;
if (repeat)
timer->flags |= UV_TIMER_REPEAT;
else
timer->flags &= ~UV_TIMER_REPEAT;
ev_timer_set(&timer->timer_watcher, timeout / 1000.0, repeat / 1000.0);
ev_timer_start(timer->loop->ev, &timer->timer_watcher);
ev_unref(timer->loop->ev);
return 0;
}
int uv_timer_stop(uv_timer_t* timer) {
if (uv__timer_active(timer)) {
ev_ref(timer->loop->ev);
}
timer->flags &= ~(UV_TIMER_ACTIVE | UV_TIMER_REPEAT);
ev_timer_stop(timer->loop->ev, &timer->timer_watcher);
return 0;
}
int uv_timer_again(uv_timer_t* timer) {
if (!uv__timer_active(timer)) {
uv__set_artificial_error(timer->loop, UV_EINVAL);
return -1;
}
assert(uv__timer_repeating(timer));
ev_timer_again(timer->loop->ev, &timer->timer_watcher);
return 0;
}
void uv_timer_set_repeat(uv_timer_t* timer, int64_t repeat) {
assert(timer->type == UV_TIMER);
timer->timer_watcher.repeat = repeat / 1000.0;
if (repeat)
timer->flags |= UV_TIMER_REPEAT;
else
timer->flags &= ~UV_TIMER_REPEAT;
}
int64_t uv_timer_get_repeat(uv_timer_t* timer) {
assert(timer->type == UV_TIMER);
return (int64_t)(1000 * timer->timer_watcher.repeat);
}
int uv__timer_active(const uv_timer_t* timer) {
return timer->flags & UV_TIMER_ACTIVE;
}
void uv__timer_close(uv_timer_t* handle) {
uv_timer_stop(handle);
}
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