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#include "Thread.h"
#include <stdlib.h>
#include <errno.h>
BH_Mutex *BH_MutexNew(void)
{
BH_Mutex *mutex;
/* Allocate space for mutex and initialize it */
mutex = malloc(sizeof(BH_Mutex));
if (mutex && pthread_mutex_init(&mutex->handle, NULL))
{
free(mutex);
return NULL;
}
return mutex;
}
void BH_MutexFree(BH_Mutex *mutex)
{
pthread_mutex_destroy(&mutex->handle);
free(mutex);
}
int BH_MutexLock(BH_Mutex *mutex)
{
if (pthread_mutex_lock(&mutex->handle))
return BH_ERROR;
return BH_OK;
}
int BH_MutexUnlock(BH_Mutex *mutex)
{
if (pthread_mutex_unlock(&mutex->handle))
return BH_ERROR;
return BH_OK;
}
int BH_MutexTryLock(BH_Mutex *mutex)
{
switch (pthread_mutex_trylock(&mutex->handle))
{
case 0: return BH_OK;
case EBUSY: return BH_TIMEOUT;
default: return BH_ERROR;
}
}
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