long
ACE_Proactor::schedule_timer (ACE_Handler &handler,
const void *act,
const ACE_Time_Value &time,
const ACE_Time_Value &interval)
{
// absolute time.
ACE_Time_Value absolute_time =
this->timer_queue_->gettimeofday () + time;
// Only one guy goes in here at a time
ACE_MT (ACE_GUARD_RETURN (ACE_SYNCH_RECURSIVE_MUTEX,
ace_mon,
this->timer_queue_->mutex (),
-1));
// Remember the old proactor.
ACE_Proactor *old_proactor = handler.proactor ();
// Assign *this* Proactor to the handler.
handler.proactor (this);
// Schedule the timer
long result = this->timer_queue_->schedule (&handler,
act,
absolute_time,
interval);
if (result != -1)
{
// no failures: check to see if we are the earliest time
if (this->timer_queue_->earliest_time () == absolute_time)
// wake up the timer thread
if (this->timer_handler_->timer_event_.signal () == -1)
{
// Cancel timer
this->timer_queue_->cancel (result);
result = -1;
}
}
if (result == -1)
{
// Reset the old proactor in case of failures.
handler.proactor (old_proactor);
}
return result;
}
