ObjFW  Diff

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 */

#include "config.h"

#import "mutex.h"

int
of_mutex_new(of_mutex_t *mutex)
OFPlainMutexNew(OFPlainMutex *mutex)
{
	return pthread_mutex_init(mutex, NULL);
}

int
of_mutex_lock(of_mutex_t *mutex)
OFPlainMutexLock(OFPlainMutex *mutex)
{
	return pthread_mutex_lock(mutex);
}

int
of_mutex_trylock(of_mutex_t *mutex)
OFPlainMutexTryLock(OFPlainMutex *mutex)
{
	return pthread_mutex_trylock(mutex);
}

int
of_mutex_unlock(of_mutex_t *mutex)
OFPlainMutexUnlock(OFPlainMutex *mutex)
{
	return pthread_mutex_unlock(mutex);
}

int
of_mutex_free(of_mutex_t *mutex)
OFPlainMutexFree(OFPlainMutex *mutex)
{
	return pthread_mutex_destroy(mutex);
}

#ifdef OF_HAVE_RECURSIVE_PTHREAD_MUTEXES
int
of_rmutex_new(of_rmutex_t *rmutex)
OFPlainRecursiveMutexNew(OFPlainRecursiveMutex *rmutex)
{
	int error;
	pthread_mutexattr_t attr;

	if ((error = pthread_mutexattr_init(&attr)) != 0)
		return error;
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	if ((error = pthread_mutexattr_destroy(&attr)) != 0)
		return error;

	return 0;
}

int
OFPlainRecursiveMutexLock(OFPlainRecursiveMutex *rmutex)
{
	return OFPlainMutexLock(rmutex);
}
of_rmutex_lock(of_rmutex_t *rmutex)

int
OFPlainRecursiveMutexTryLock(OFPlainRecursiveMutex *rmutex)
{
	return of_mutex_lock(rmutex);
	return OFPlainMutexTryLock(rmutex);
}

int
of_rmutex_trylock(of_rmutex_t *rmutex)
OFPlainRecursiveMutexUnlock(OFPlainRecursiveMutex *rmutex)
{
	return of_mutex_trylock(rmutex);
	return OFPlainMutexUnlock(rmutex);
}

int
of_rmutex_unlock(of_rmutex_t *rmutex)
{
	return of_mutex_unlock(rmutex);
}

OFPlainRecursiveMutexFree(OFPlainRecursiveMutex *rmutex)
int
of_rmutex_free(of_rmutex_t *rmutex)
{
	return of_mutex_free(rmutex);
	return OFPlainMutexFree(rmutex);
}
#else
int
of_rmutex_new(of_rmutex_t *rmutex)
OFPlainRecursiveMutexNew(OFPlainRecursiveMutex *rmutex)
{
	int error;

	if ((error = of_mutex_new(&rmutex->mutex)) != 0)
	if ((error = OFPlainMutexNew(&rmutex->mutex)) != 0)
		return error;

	if ((error = OFTLSKeyNew(&rmutex->count)) != 0)
		return error;

	return 0;
}

int
OFPlainRecursiveMutexLock(OFPlainRecursiveMutex *rmutex)
{
	uintptr_t count = (uintptr_t)OFTLSKeyGet(rmutex->count);
	int error;
of_rmutex_lock(of_rmutex_t *rmutex)

	if (count > 0) {
		if ((error = OFTLSKeySet(rmutex->count,
		    (void *)(count + 1))) != 0)
			return error;

		return 0;
	}

	if ((error = OFPlainMutexLock(&rmutex->mutex)) != 0)
		return error;

	if ((error = OFTLSKeySet(rmutex->count, (void *)1)) != 0) {
		OFPlainMutexUnlock(&rmutex->mutex);
		return error;
	}

	return 0;
}

int
OFPlainRecursiveMutexTryLock(OFPlainRecursiveMutex *rmutex)
{
	uintptr_t count = (uintptr_t)OFTLSKeyGet(rmutex->count);
	int error;

	if (count > 0) {
		if ((error = OFTLSKeySet(rmutex->count,
		    (void *)(count + 1))) != 0)
			return error;

		return 0;
	}

	if ((error = of_mutex_lock(&rmutex->mutex)) != 0)
	if ((error = OFPlainMutexTryLock(&rmutex->mutex)) != 0)
		return error;

	if ((error = OFTLSKeySet(rmutex->count, (void *)1)) != 0) {
		of_mutex_unlock(&rmutex->mutex);
		OFPlainMutexUnlock(&rmutex->mutex);
		return error;
	}

	return 0;
}

int
of_rmutex_trylock(of_rmutex_t *rmutex)
{
	uintptr_t count = (uintptr_t)OFTLSKeyGet(rmutex->count);
	int error;

OFPlainRecursiveMutexUnlock(OFPlainRecursiveMutex *rmutex)
	if (count > 0) {
		if ((error = OFTLSKeySet(rmutex->count,
		    (void *)(count + 1))) != 0)
			return error;

		return 0;
	}

	if ((error = of_mutex_trylock(&rmutex->mutex)) != 0)
		return error;

	if ((error = OFTLSKeySet(rmutex->count, (void *)1)) != 0) {
		of_mutex_unlock(&rmutex->mutex);
		return error;
	}

	return 0;
}

int
of_rmutex_unlock(of_rmutex_t *rmutex)
{
	uintptr_t count = (uintptr_t)OFTLSKeyGet(rmutex->count);
	int error;

	if (count > 1) {
		if ((error = OFTLSKeySet(rmutex->count,
		    (void *)(count - 1))) != 0)
			return error;

		return 0;
	}

	if ((error = OFTLSKeySet(rmutex->count, (void *)0)) != 0)
		return error;

	if ((error = of_mutex_unlock(&rmutex->mutex)) != 0)
	if ((error = OFPlainMutexUnlock(&rmutex->mutex)) != 0)
		return error;

	return 0;
}

int
of_rmutex_free(of_rmutex_t *rmutex)
OFPlainRecursiveMutexFree(OFPlainRecursiveMutex *rmutex)
{
	int error;

	if ((error = of_mutex_free(&rmutex->mutex)) != 0)
	if ((error = OFPlainMutexFree(&rmutex->mutex)) != 0)
		return error;

	if ((error = OFTLSKeyFree(rmutex->count)) != 0)
		return error;

	return 0;
}
#endif
Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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