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CdStreamPosix fixes

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This commit is contained in:
erorcun 2021-01-29 16:25:32 +03:00
parent 595a000f6a
commit 982b024c5c
1 changed files with 9 additions and 3 deletions
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12
src/core/CdStreamPosix.cpp
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@ -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){