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Fixes for semaphores on *nix.

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This commit is contained in:
Darryl Pogue
2013-12-26 23:49:03 -08:00
parent 5594ce186e
commit f5e99ba9a3
1 changed files with 6 additions and 1 deletions
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7
Sources/Plasma/CoreLib/hsThread_Unix.cpp
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@ -284,6 +284,7 @@ hsSemaphore::hsSemaphore(int initialValue, const char* name)
} else { } else {
/* Anonymous semaphore shared between threads */ /* Anonymous semaphore shared between threads */
int shared = 0; // 1 if sharing between processes int shared = 0; // 1 if sharing between processes
fPSema = new sem_t;
int status = sem_init(fPSema, shared, initialValue); int status = sem_init(fPSema, shared, initialValue);
hsThrowIfOSErr(status); hsThrowIfOSErr(status);
} }
@ -307,6 +308,7 @@ hsSemaphore::~hsSemaphore()
} else { } else {
status = sem_destroy(fPSema); status = sem_destroy(fPSema);
} }
delete fPSema;
hsThrowIfOSErr(status); hsThrowIfOSErr(status);
#else #else
int status = ::pthread_cond_destroy(&fPCond); int status = ::pthread_cond_destroy(&fPCond);
@ -321,7 +323,10 @@ bool hsSemaphore::TryWait()
{ {
#ifdef USE_SEMA #ifdef USE_SEMA
int status = ::sem_trywait(fPSema); int status = ::sem_trywait(fPSema);
return status != EAGAIN; if (status != 0) {
return errno != EAGAIN;
}
return true;
#else #else
int status = ::pthread_mutex_trylock(&fPMutex); int status = ::pthread_mutex_trylock(&fPMutex);
hsThrowIfOSErr(status); hsThrowIfOSErr(status);