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alarm: use on_alarm(count) feature

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Alexander Boettcher 2014-06-27 13:11:43 +02:00 committed by Norman Feske
parent ca9f0ba89c
commit b289273d28
1 changed files with 14 additions and 2 deletions
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16
repos/os/src/lib/alarm/alarm.cc
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@ -112,8 +112,20 @@ void Alarm_scheduler::handle(Alarm::Time curr_time)
while ((curr = _get_pending_alarm())) { while ((curr = _get_pending_alarm())) {
unsigned long triggered = 1;
if (curr->_period) {
Alarm::Time deadline = curr->_deadline;
/* schedule next event */
if (deadline == 0)
deadline = curr_time;
triggered += (curr_time - deadline) / curr->_period;
}
/* do not reschedule if alarm function returns 0 */ /* do not reschedule if alarm function returns 0 */
bool reschedule = curr->on_alarm(1); bool reschedule = curr->on_alarm(triggered);
if (reschedule) { if (reschedule) {
@ -121,7 +133,7 @@ void Alarm_scheduler::handle(Alarm::Time curr_time)
if (curr->_deadline == 0) if (curr->_deadline == 0)
curr->_deadline = _now; curr->_deadline = _now;
curr->_deadline += curr->_period; curr->_deadline += triggered * curr->_period;
/* synchronize enqueue operation */ /* synchronize enqueue operation */
Lock::Guard lock_guard(_lock); Lock::Guard lock_guard(_lock);