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Merge pull request #89 from vibe-d/fix_unreferenced_timer_wait

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Keep timers with active waits referenced.
This commit is contained in:
Sönke Ludwig 2018-10-27 16:49:42 +02:00 committed by GitHub
parent 9b75a3b7d9 b33f710420
commit 9d2b15f175
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 24 additions and 3 deletions
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27
source/eventcore/drivers/timer.d
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@ -79,7 +79,10 @@ final class LoopTimeoutTimerDriver : EventDriverTimers {
foreach (tm; processed_timers) {
auto cb = tm.callback;
tm.callback = null;
if (cb) cb(tm.id, true);
if (cb) {
cb(tm.id, true);
releaseRef(tm.id);
}
}
return processed_timers.length > 0;
@ -119,7 +122,10 @@ final class LoopTimeoutTimerDriver : EventDriverTimers {
if (!tm.pending) return;
TimerCallback2 cb;
swap(cb, tm.callback);
if (cb) cb(timer, false);
if (cb) {
cb(timer, false);
releaseRef(timer);
}
tm.pending = false;
m_timerQueue.remove(tm);
}
@ -138,6 +144,7 @@ final class LoopTimeoutTimerDriver : EventDriverTimers {
{
assert(!m_timers[timer].callback, "Calling wait() on a timer that is already waiting.");
m_timers[timer].callback = callback;
addRef(timer);
}
alias wait = EventDriverTimers.wait;
@ -146,6 +153,7 @@ final class LoopTimeoutTimerDriver : EventDriverTimers {
auto pt = m_timers[timer];
assert(pt.callback);
pt.callback = null;
releaseRef(timer);
}
final override void addRef(TimerID descriptor)
@ -164,7 +172,20 @@ final class LoopTimeoutTimerDriver : EventDriverTimers {
if (descriptor !in m_timers) return true;
auto tm = m_timers[descriptor];
if (!--tm.refCount) {
tm.refCount--;
// cancel starved timer waits
if (tm.callback && tm.refCount == 1 && !tm.pending) {
debug addRef(descriptor);
cancelWait(tm.id);
debug {
assert(tm.refCount == 1);
releaseRef(descriptor);
}
return false;
}
if (!tm.refCount) {
if (tm.pending) stop(tm.id);
m_timers.remove(descriptor);
() @trusted {