Function sync_timer_free

lib_fiber/c/src/sync/sync_timer.c:46–52

}

static void sync_timer_free(SYNC_TIMER *timer)
{
	pthread_mutex_destroy(&timer->lock);
	mbox_free(timer->box, NULL);
//	timer_cache_free(timer->waiters);
	mem_free(timer);
}

static pthread_once_t __once_control = PTHREAD_ONCE_INIT;
static pthread_key_t  __timer_key;