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Timers: Immediately signal the timer if it was started with an initial value of 0.

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This commit is contained in:
Subv 2017-01-09 12:48:17 -05:00
parent e594e63bb5
commit 029a11030e
2 changed files with 31 additions and 16 deletions
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39
src/core/hle/kernel/timer.cpp
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@ -52,9 +52,14 @@ void Timer::Set(s64 initial, s64 interval) {
initial_delay = initial;
interval_delay = interval;
u64 initial_microseconds = initial / 1000;
CoreTiming::ScheduleEvent(usToCycles(initial_microseconds), timer_callback_event_type,
callback_handle);
if (initial == 0) {
// Immediately invoke the callback
Signal(0);
} else {
u64 initial_microseconds = initial / 1000;
CoreTiming::ScheduleEvent(usToCycles(initial_microseconds), timer_callback_event_type,
callback_handle);
}
}
void Timer::Cancel() {
@ -72,6 +77,20 @@ void Timer::WakeupAllWaitingThreads() {
signaled = false;
}
void Timer::Signal(int cycles_late) {
LOG_TRACE(Kernel, "Timer %08" PRIx64 " fired", timer_handle);
// Resume all waiting threads
WakeupAllWaitingThreads();
if (interval_delay != 0) {
// Reschedule the timer with the interval delay
u64 interval_microseconds = interval_delay / 1000;
CoreTiming::ScheduleEvent(usToCycles(interval_microseconds) - cycles_late,
timer_callback_event_type, callback_handle);
}
}
/// The timer callback event, called when a timer is fired
static void TimerCallback(u64 timer_handle, int cycles_late) {
SharedPtr<Timer> timer =
@ -82,19 +101,7 @@ static void TimerCallback(u64 timer_handle, int cycles_late) {
return;
}
LOG_TRACE(Kernel, "Timer %08" PRIx64 " fired", timer_handle);
timer->signaled = true;
// Resume all waiting threads
timer->WakeupAllWaitingThreads();
if (timer->interval_delay != 0) {
// Reschedule the timer with the interval delay
u64 interval_microseconds = timer->interval_delay / 1000;
CoreTiming::ScheduleEvent(usToCycles(interval_microseconds) - cycles_late,
timer_callback_event_type, timer_handle);
}
timer->Signal(cycles_late);
}
void TimersInit() {