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Merge pull request #986 from AGraber/nx-upstream 

Add toggle for (un)named semaphores and prevent linux header inclusion on non-linux paltforms
This commit is contained in:
erorcun 2021-02-16 18:27:31 +03:00 committed by GitHub
parent 5ee4931fb6 b60baf46f6
commit 1a64053da5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 64 additions and 18 deletions
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82
src/core/CdStreamPosix.cpp
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@ -1,8 +1,8 @@
#ifndef _WIN32
#include "common.h"
#include "crossplatform.h"
#include <pthread.h>
#include <signal.h>
#include <pthread.h>
#include <semaphore.h>
#include <sys/types.h>
#include <unistd.h>
@ -12,7 +12,11 @@
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/resource.h>
#include <stdarg.h>
#ifdef __linux__
#include <sys/syscall.h>
#endif
#include "CdStream.h"
#include "rwcore.h"
@ -25,6 +29,58 @@
bool flushStream[MAX_CDCHANNELS];
#endif
#ifdef USE_UNNAMED_SEM
#define RE3_SEM_OPEN(name, ...) re3_sem_open()
sem_t*
re3_sem_open(void)
{
sem_t* sem = (sem_t*)malloc(sizeof(sem_t));
if (sem_init(sem, 0, 1) == -1) {
sem = SEM_FAILED;
}
return sem;
}
#define RE3_SEM_CLOSE(sem, format, ...) re3_sem_close(sem)
void
re3_sem_close(sem_t* sem)
{
sem_destroy(sem);
free(sem);
}
#else
#define RE3_SEM_OPEN re3_sem_open
sem_t*
re3_sem_open(const char* format, ...)
{
char semName[20];
va_list va;
va_start(va, format);
vsprintf(semName, format, va);
return sem_open(semName, O_CREAT, 0644, 1);
}
#define RE3_SEM_CLOSE re3_sem_close
void
re3_sem_close(sem_t* sem, const char* format, ...)
{
sem_close(sem);
char semName[20];
va_list va;
va_start(va, format);
vsprintf(semName, format, va);
sem_unlink(semName);
}
#endif
struct CdReadInfo
{
uint32 nSectorOffset;
@ -69,14 +125,13 @@ void
CdStreamInitThread(void)
{
int status;
char semName[20];
#ifndef ONE_THREAD_PER_CHANNEL
gChannelRequestQ.items = (int32 *)calloc(gNumChannels + 1, sizeof(int32));
gChannelRequestQ.head = 0;
gChannelRequestQ.tail = 0;
gChannelRequestQ.size = gNumChannels + 1;
ASSERT(gChannelRequestQ.items != nil );
gCdStreamSema = sem_open("/semaphore_cd_stream", O_CREAT, 0644, 0);
gCdStreamSema = RE3_SEM_OPEN("/semaphore_cd_stream");
if (gCdStreamSema == SEM_FAILED) {
@ -90,8 +145,7 @@ CdStreamInitThread(void)
{
for ( int32 i = 0; i < gNumChannels; i++ )
{
sprintf(semName,"/semaphore_done%d",i);
gpReadInfo[i].pDoneSemaphore = sem_open(semName, O_CREAT, 0644, 0);
gpReadInfo[i].pDoneSemaphore = RE3_SEM_OPEN("/semaphore_done%d", i);
if (gpReadInfo[i].pDoneSemaphore == SEM_FAILED)
{
@ -101,8 +155,7 @@ CdStreamInitThread(void)
}
#ifdef ONE_THREAD_PER_CHANNEL
sprintf(semName,"/semaphore_start%d",i);
gpReadInfo[i].pStartSemaphore = sem_open(semName, O_CREAT, 0644, 0);
gpReadInfo[i].pStartSemaphore = RE3_SEM_OPEN("/semaphore_start%d", i);
if (gpReadInfo[i].pStartSemaphore == SEM_FAILED)
{
@ -464,21 +517,14 @@ void *CdStreamThread(void *param)
#ifndef ONE_THREAD_PER_CHANNEL
for ( int32 i = 0; i < gNumChannels; i++ )
{
sem_close(gpReadInfo[i].pDoneSemaphore);
sprintf(semName,"/semaphore_done%d",i);
sem_unlink(semName);
RE3_SEM_CLOSE(gpReadInfo[i].pDoneSemaphore, "/semaphore_done%d", i);
}
sem_close(gCdStreamSema);
sem_unlink("/semaphore_cd_stream");
RE3_SEM_CLOSE(gCdStreamSema, "/semaphore_cd_stream");
free(gChannelRequestQ.items);
#else
sem_close(gpReadInfo[channel].pStartSemaphore);
sprintf(semName,"/semaphore_start%d",channel);
sem_unlink(semName);
RE3_SEM_CLOSE(gpReadInfo[channel].pStartSemaphore, "/semaphore_start%d", channel);
sem_close(gpReadInfo[channel].pDoneSemaphore);
sprintf(semName,"/semaphore_done%d",channel);
sem_unlink(semName);
RE3_SEM_CLOSE(gpReadInfo[channel].pDoneSemaphore, "/semaphore_done%d", channel);
#endif
if (gpReadInfo)
free(gpReadInfo);