diff options
| -rw-r--r-- | src/core/CdStreamPosix.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/core/CdStreamPosix.cpp b/src/core/CdStreamPosix.cpp index 8a27665a..e18280e5 100644 --- a/src/core/CdStreamPosix.cpp +++ b/src/core/CdStreamPosix.cpp @@ -76,7 +76,7 @@ CdStreamInitThread(void) gChannelRequestQ.tail = 0; gChannelRequestQ.size = gNumChannels + 1; ASSERT(gChannelRequestQ.items != nil ); - gCdStreamSema = sem_open("/semaphore_cd_stream", O_CREAT, 0644, 1); + gCdStreamSema = sem_open("/semaphore_cd_stream", O_CREAT, 0644, 0); if (gCdStreamSema == SEM_FAILED) { @@ -91,7 +91,7 @@ CdStreamInitThread(void) for ( int32 i = 0; i < gNumChannels; i++ ) { sprintf(semName,"/semaphore_done%d",i); - gpReadInfo[i].pDoneSemaphore = sem_open(semName, O_CREAT, 0644, 1); + gpReadInfo[i].pDoneSemaphore = sem_open(semName, O_CREAT, 0644, 0); if (gpReadInfo[i].pDoneSemaphore == SEM_FAILED) { @@ -102,7 +102,7 @@ CdStreamInitThread(void) #ifdef ONE_THREAD_PER_CHANNEL sprintf(semName,"/semaphore_start%d",i); - gpReadInfo[i].pStartSemaphore = sem_open(semName, O_CREAT, 0644, 1); + gpReadInfo[i].pStartSemaphore = sem_open(semName, O_CREAT, 0644, 0); if (gpReadInfo[i].pStartSemaphore == SEM_FAILED) { @@ -171,6 +171,7 @@ CdStreamInit(int32 numChannels) gNumImages = 0; gNumChannels = numChannels; + ASSERT( gNumChannels != 0 ); gpReadInfo = (CdReadInfo *)calloc(numChannels, sizeof(CdReadInfo)); ASSERT( gpReadInfo != nil ); @@ -398,7 +399,12 @@ void *CdStreamThread(void *param) #ifndef ONE_THREAD_PER_CHANNEL while (gCdStreamThreadStatus != 2) { sem_wait(gCdStreamSema); + int32 channel = GetFirstInQueue(&gChannelRequestQ); + + // spurious wakeup + if (channel == -1) + continue; #else int channel = *((int*)param); while (gpReadInfo[channel].nThreadStatus != 2){ |