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authorerorcun <erorcunerorcun@hotmail.com.tr>2021-01-29 14:25:32 +0100
committererorcun <erorcunerorcun@hotmail.com.tr>2021-01-29 14:31:13 +0100
commit2e7405b76c4165de8dd22f9de2315d4888489723 (patch)
tree385579a35be2f12a45ec37528d953147ec6d8482 /src
parentUpdate build-cmake-conan.yml (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/core/CdStreamPosix.cpp12
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){