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#include "TimerDispatcher.h"
// Listing 1 code/ch20
void Timer_Dispatcher::wait_for_event ()
{
ACE_TRACE ("Timer_Dispatcher::wait_for_event");
while (1)
{
ACE_Time_Value max_tv = timer_queue_->gettimeofday ();
ACE_Time_Value *this_timeout =
this->timer_queue_->calculate_timeout (&max_tv);
if (*this_timeout == ACE_Time_Value::zero)
this->timer_queue_->expire ();
else
{
// Convert to absolute time.
ACE_Time_Value next_timeout =
timer_queue_->gettimeofday ();
next_timeout += *this_timeout;
if (this->timer_.wait (&next_timeout) == -1 )
this->timer_queue_->expire ();
}
}
}
// Listing 1
// Listing 2 code/ch20
long
Timer_Dispatcher::schedule (ACE_Event_Handler *cb,
void *arg,
const ACE_Time_Value &abs_time,
const ACE_Time_Value &interval)
{
ACE_TRACE ("Timer_Dispatcher::schedule_timer");
return this->timer_queue_->schedule
(cb, arg, abs_time, interval);
}
// Listing 2
// Listing 3 code/ch20
int
Timer_Dispatcher::cancel (ACE_Event_Handler *cb,
int dont_call_handle_close)
{
ACE_TRACE ("Timer_Dispatcher::cancel");
return timer_queue_->cancel (cb, dont_call_handle_close);
}
// Listing 3
// Listing 4 code/ch20
void Timer_Dispatcher::set (ACE_Timer_Queue *timer_queue)
{
ACE_TRACE ("Timer_Dispatcher::set");
timer_queue_ = timer_queue;
}
// Listing 4
int
Timer_Dispatcher::reset_interval (long timer_id,
const ACE_Time_Value &interval)
{
ACE_TRACE ("Timer_Dispatcher::reset_interval");
return timer_queue_->reset_interval(timer_id, interval);
}
ACE_SINGLETON_TEMPLATE_INSTANTIATE(ACE_Singleton, Timer_Dispatcher, ACE_Null_Mutex);
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