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Added a safety mechanism for pathological cases where user code that repeatedly blocks in a timer callback could get the event loop stuck

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jules 2016-02-12 11:36:34 +00:00
parent b010df5bcd
commit 15d746cf6e
1 changed files with 6 additions and 0 deletions
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6
modules/juce_events/timers/juce_Timer.cpp
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@ -92,6 +92,9 @@ public:
void callTimers()
{
// avoid getting stuck in a loop if a timer callback repeatedly takes too long
const uint32 timeout = Time::getMillisecondCounter() + 100;
const LockType::ScopedLockType sl (lock);
while (firstTimer != nullptr && firstTimer->timerCountdownMs <= 0)
@ -109,6 +112,9 @@ public:
t->timerCallback();
}
JUCE_CATCH_EXCEPTION
if (Time::getMillisecondCounter() > timeout)
break;
}
callbackArrived.signal();