ObjFW  Diff

		allocFailedException.isa = [OFAllocFailedException class];
		@throw (id)&allocFailedException;
	}

	((struct pre_ivar *)instance)->retainCount = 1;

#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
	if OF_UNLIKELY (!of_spinlock_new(
	    &((struct pre_ivar *)instance)->retainCountSpinlock)) {
	if OF_UNLIKELY (of_spinlock_new(
	    &((struct pre_ivar *)instance)->retainCountSpinlock) != 0) {
		free(instance);
		@throw [OFInitializationFailedException
		    exceptionWithClass: class];
	}
#endif

	instance = (OFObject *)(void *)((char *)instance + PRE_IVARS_ALIGN);

	Forbid();
# endif
	PRE_IVARS->retainCount++;
# ifndef OF_AMIGAOS_M68K
	Permit();
# endif
#else
	OF_ENSURE(of_spinlock_lock(&PRE_IVARS->retainCountSpinlock));
	OF_ENSURE(of_spinlock_lock(&PRE_IVARS->retainCountSpinlock) == 0);
	PRE_IVARS->retainCount++;
	OF_ENSURE(of_spinlock_unlock(&PRE_IVARS->retainCountSpinlock));
	OF_ENSURE(of_spinlock_unlock(&PRE_IVARS->retainCountSpinlock) == 0);
#endif

	return self;
}

- (unsigned int)retainCount
{

	Permit();

	if (retainCount == 0)
		[self dealloc];
#else
	int retainCount;

	OF_ENSURE(of_spinlock_lock(&PRE_IVARS->retainCountSpinlock));
	OF_ENSURE(of_spinlock_lock(&PRE_IVARS->retainCountSpinlock) == 0);
	retainCount = --PRE_IVARS->retainCount;
	OF_ENSURE(of_spinlock_unlock(&PRE_IVARS->retainCountSpinlock));
	OF_ENSURE(of_spinlock_unlock(&PRE_IVARS->retainCountSpinlock) == 0);

	if (retainCount == 0)
		[self dealloc];
#endif
}

- (instancetype)autorelease