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loop 2024-01-07 04:36:33 +00:00
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47
platformX86UNIX/x86UNIXSemaphore.cc Normal file
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//-----------------------------------------------------------------------------
// V12 Engine
//
// Copyright (c) 2001 GarageGames.Com
// Portions Copyright (c) 2001 by Sierra Online, Inc.
//-----------------------------------------------------------------------------
#include "platformX86UNIX/platformX86UNIX.h"
#include "platform/platformSemaphore.h"
#include <fcntl.h>
#include <semaphore.h>
void * Semaphore::createSemaphore(U32 initialCount)
{
sem_t *semaphore;
/* hell, I want an elite semaphore, OK?! - rjp */
semaphore = sem_open("/tmp/eliteQueue.31337", O_CREAT, 0664, initialCount);
return(semaphore);
}
void Semaphore::destroySemaphore(void * semaphore)
{
AssertFatal(semaphore, "Semaphore::destroySemaphore: invalid semaphore");
sem_close((sem_t *)semaphore);
delete semaphore;
}
bool Semaphore::acquireSemaphore(void * semaphore, bool block)
{
AssertFatal(semaphore, "Semaphore::acquireSemaphore: invalid semaphore");
if(block)
{
sem_wait((sem_t *)semaphore);
return(true);
}
else
{
U32 result = sem_trywait((sem_t *)semaphore);
return(result == 0);
}
}
void Semaphore::releaseSemaphore(void * semaphore)
{
AssertFatal(semaphore, "Semaphore::releaseSemaphore: invalid semaphore");
sem_unlink("/tmp/eliteQueue.31337");
}