diff options
| author | erorcun <erorcunerorcun@hotmail.com.tr> | 2021-01-27 18:26:08 +0300 |
|---|---|---|
| committer | erorcun <erorcunerorcun@hotmail.com.tr> | 2021-01-27 22:19:00 +0300 |
| commit | ab939e059b4263fec4e26425bce6a12ecf88d2e6 (patch) | |
| tree | 72be40877a6cb4e37962552bf3df3c88c9860974 /src/core/CdStreamPosix.cpp | |
| parent | e8a10748a44448825b379a4db5ad46677cb291ce (diff) | |
Clean up POSIX streaming code
Diffstat (limited to 'src/core/CdStreamPosix.cpp')
| -rw-r--r-- | src/core/CdStreamPosix.cpp | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/src/core/CdStreamPosix.cpp b/src/core/CdStreamPosix.cpp index 0854d850..8a27665a 100644 --- a/src/core/CdStreamPosix.cpp +++ b/src/core/CdStreamPosix.cpp @@ -21,9 +21,9 @@ #define CDDEBUG(f, ...) debug ("%s: " f "\n", "cdvd_stream", ## __VA_ARGS__) #define CDTRACE(f, ...) printf("%s: " f "\n", "cdvd_stream", ## __VA_ARGS__) -// #define ONE_THREAD_PER_CHANNEL // Don't use if you're not on SSD/Flash. (Also you may want to benefit from this via using all channels in Streaming.cpp) - +#ifdef FLUSHABLE_STREAMING bool flushStream[MAX_CDCHANNELS]; +#endif struct CdReadInfo { @@ -99,6 +99,7 @@ CdStreamInitThread(void) ASSERT(0); return; } + #ifdef ONE_THREAD_PER_CHANNEL sprintf(semName,"/semaphore_start%d",i); gpReadInfo[i].pStartSemaphore = sem_open(semName, O_CREAT, 0644, 1); @@ -245,10 +246,12 @@ CdStreamRead(int32 channel, void *buffer, uint32 offset, uint32 size) if ( pChannel->nSectorsToRead != 0 || pChannel->bReading ) { if (pChannel->hFile == hImage - 1 && pChannel->nSectorOffset == _GET_OFFSET(offset) && pChannel->nSectorsToRead >= size) return STREAM_SUCCESS; - +#ifdef FLUSHABLE_STREAMING flushStream[channel] = 1; CdStreamSync(channel); - //return STREAM_NONE; +#else + return STREAM_NONE; +#endif } pChannel->hFile = hImage - 1; @@ -316,34 +319,34 @@ CdStreamSync(int32 channel) CdReadInfo *pChannel = &gpReadInfo[channel]; ASSERT( pChannel != nil ); +#ifdef FLUSHABLE_STREAMING if (flushStream[channel]) { -#ifdef ONE_THREAD_PER_CHANNEL pChannel->nSectorsToRead = 0; +#ifdef ONE_THREAD_PER_CHANNEL pthread_kill(pChannel->pChannelThread, SIGUSR1); if (pChannel->bReading) { pChannel->bLocked = true; - while (pChannel->bLocked) - sem_wait(pChannel->pDoneSemaphore); - } #else - pChannel->nSectorsToRead = 0; if (pChannel->bReading) { pChannel->bLocked = true; pthread_kill(_gCdStreamThread, SIGUSR1); +#endif while (pChannel->bLocked) sem_wait(pChannel->pDoneSemaphore); } -#endif pChannel->bReading = false; flushStream[channel] = false; return STREAM_NONE; } +#endif if ( pChannel->nSectorsToRead != 0 ) { pChannel->bLocked = true; - while (pChannel->bLocked) + while (pChannel->bLocked && pChannel->nSectorsToRead != 0){ sem_wait(pChannel->pDoneSemaphore); + } + pChannel->bLocked = false; } pChannel->bReading = false; @@ -447,7 +450,7 @@ void *CdStreamThread(void *param) if ( pChannel->bLocked ) { pChannel->bLocked = 0; - sem_post(pChannel->pDoneSemaphore); + sem_post(pChannel->pDoneSemaphore); } pChannel->bReading = false; } @@ -524,7 +527,9 @@ void CdStreamRemoveImages(void) { for ( int32 i = 0; i < gNumChannels; i++ ) { +#ifdef FLUSHABLE_STREAMING flushStream[i] = 1; +#endif CdStreamSync(i); } |