-
-void OBTimerQueueManager::fire()
-{
- fd_set rfds;
- timeval now, tm, *timeout = (timeval *) 0;
-
- const int xfd = ConnectionNumber(otk::OBDisplay::display);
-
- FD_ZERO(&rfds);
- FD_SET(xfd, &rfds); // break on any x events
-
- if (! timerList.empty()) {
- const OBTimer* const timer = timerList.top();
-
- gettimeofday(&now, 0);
- tm = timer->timeRemaining(now);
-
- timeout = &tm;
- }
-
- select(xfd + 1, &rfds, 0, 0, timeout);
-
- // check for timer timeout
- gettimeofday(&now, 0);
-
- // there is a small chance for deadlock here:
- // *IF* the timer list keeps getting refreshed *AND* the time between
- // timer->start() and timer->shouldFire() is within the timer's period
- // then the timer will keep firing. This should be VERY near impossible.
- while (! timerList.empty()) {
- OBTimer *timer = timerList.top();
- if (! timer->shouldFire(now))
- break;
-
- timerList.pop();
-
- timer->fireTimeout();
- timer->halt();
- if (timer->isRecurring())
- timer->start();
- }
-}
-
-
-void OBTimerQueueManager::addTimer(OBTimer *timer)
-{
- assert(timer);
- timerList.push(timer);
-}
-
-void OBTimerQueueManager::removeTimer(OBTimer* timer)
-{
- assert(timer);
- timerList.release(timer);
-}
-