ObjFW  Diff

	return [[[self alloc] init] autorelease];
}

- (instancetype)init
{
	self = [super init];

	if (!of_mutex_new(&_mutex)) {
	if (of_mutex_new(&_mutex) != 0) {
		Class c = self.class;
		[self release];
		@throw [OFInitializationFailedException exceptionWithClass: c];
	}

	_initialized = true;

	return self;
}

- (void)dealloc
{
	if (_initialized) {
		if (!of_mutex_free(&_mutex)) {
			OF_ENSURE(errno == EBUSY);
		int error = of_mutex_free(&_mutex);

		if (error != 0) {
			OF_ENSURE(error == EBUSY);

			@throw [OFStillLockedException exceptionWithLock: self];
		}
	}

	[_name release];

	[super dealloc];
}

- (void)lock
{
	if (!of_mutex_lock(&_mutex))
	int error = of_mutex_lock(&_mutex);

	if (error != 0)
		@throw [OFLockFailedException exceptionWithLock: self
							  errNo: errno];
							  errNo: error];
}

- (bool)tryLock
{
	if (!of_mutex_trylock(&_mutex)) {
		if (errno == EBUSY)
	int error = of_mutex_trylock(&_mutex);

	if (error != 0) {
		if (error == EBUSY)
			return false;
		else
			@throw [OFLockFailedException exceptionWithLock: self
								  errNo: errno];
								  errNo: error];
	}

	return true;
}

- (void)unlock
{
	if (!of_mutex_unlock(&_mutex))
	int error = of_mutex_unlock(&_mutex);

	if (error != 0)
		@throw [OFUnlockFailedException exceptionWithLock: self
							    errNo: errno];
							    errNo: error];
}

- (OFString *)description
{
	if (_name == nil)
		return super.description;

	return [OFString stringWithFormat: @"<%@: %@>", self.className, _name];
}
@end