int
timer_delete( timer_t id )
{
if ( __likely(!TIMER_ID_IS_WRAPPED(id)) )
return __timer_delete( id );
else
{
thr_timer_table_t* table = __timer_table_get();
thr_timer_t* timer = thr_timer_table_from_id(table, id, 1);
if (timer == NULL) {
errno = EINVAL;
return -1;
}
/* tell the timer's thread to stop */
thr_timer_lock(timer);
timer->done = 1;
pthread_cond_signal( &timer->cond );
thr_timer_unlock(timer);
/* NOTE: the thread will call __timer_table_free() to free the
* timer object. the '1' parameter to thr_timer_table_from_id
* above ensured that the object and its timer_id cannot be
* reused before that.
*/
return 0;
}
}
void timer_delete(struct timer *timer)
{
unsigned long flags = interrupt_disable();
if (timer->i != TIMER_INVALID_INDEX)
__timer_delete(timer);
interrupt_enable(flags);
}
// http://pubs.opengroup.org/onlinepubs/9699919799/functions/timer_delete.html
int timer_delete(timer_t id) {
int rc = __timer_delete(to_kernel_timer_id(id));
if (rc == -1) {
return -1;
}
PosixTimer* timer = reinterpret_cast<PosixTimer*>(id);
if (timer->sigev_notify == SIGEV_THREAD) {
// Stopping the timer's thread frees the timer data when it's safe.
__timer_thread_stop(timer);
} else {
// For timers without threads, we can just free right away.
free(timer);
}
return 0;
}