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Handle race condition more intelligently by invalidating in the callback itself.

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Steve Checkoway
2007-03-25 23:51:53 +00:00
parent fa53ebfc07
commit 812dd48169
1 changed files with 4 additions and 7 deletions
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stepmania/src/arch/Sound/RageSoundDriver_AU.cpp
+2 -5
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@@ -47,12 +47,11 @@ RageSoundDriver_AU::RageSoundDriver_AU() : m_OutputUnit(NULL), m_iSampleRate(0),
void RageSoundDriver_AU::NameHALThread( CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *inRefCon ) void RageSoundDriver_AU::NameHALThread( CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *inRefCon )
{ {
RageSoundDriver_AU *This = (RageSoundDriver_AU *)inRefCon; RageSoundDriver_AU *This = (RageSoundDriver_AU *)inRefCon;
if( This->m_pNotificationThread == NULL ) CFRunLoopObserverInvalidate( observer );
{ CFRelease( observer );
This->m_pNotificationThread = new RageThreadRegister( "HAL notification thread" ); This->m_pNotificationThread = new RageThreadRegister( "HAL notification thread" );
This->m_Semaphore.Post(); This->m_Semaphore.Post();
} }
}
RString RageSoundDriver_AU::Init() RString RageSoundDriver_AU::Init()
{ {
@@ -160,8 +159,6 @@ RString RageSoundDriver_AU::Init()
CFRunLoopAddObserver( runLoopRef, observerRef, kCFRunLoopDefaultMode ); CFRunLoopAddObserver( runLoopRef, observerRef, kCFRunLoopDefaultMode );
CFRunLoopWakeUp( runLoopRef ); CFRunLoopWakeUp( runLoopRef );
m_Semaphore.Wait(); m_Semaphore.Wait();
CFRunLoopObserverInvalidate( observerRef );
CFRelease( observerRef );
} }
if( (error = AudioOutputUnitStart(m_OutputUnit)) ) if( (error = AudioOutputUnitStart(m_OutputUnit)) )