ObjFW  Diff

#if !defined(OF_HAVE_PIPE) && !defined(__wii__)
		socklen_t cancelAddrLen;
#endif

		_readObjects = [[OFMutableArray alloc] init];
		_writeObjects = [[OFMutableArray alloc] init];
		_queue = [[OFMutableArray alloc] init];
		_queueInfo = [[OFDataArray alloc]
		_queueActions = [[OFDataArray alloc]
		    initWithItemSize: sizeof(int)];
		_queueFDs = [[OFDataArray alloc] initWithItemSize: sizeof(int)];

#ifdef OF_HAVE_PIPE
		if (pipe(_cancelFD))
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];
#else
		_cancelFD[0] = _cancelFD[1] = socket(AF_INET, SOCK_DGRAM, 0);

		if (of_getsockname(_cancelFD[0], (struct sockaddr*)&_cancelAddr,
		    &cancelAddrLen) != 0)
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];
# endif
#endif

		_maxFD = _cancelFD[0];
		_FDToObject = [self allocMemoryWithSize: sizeof(id)
						  count: _maxFD + 1];
		_FDToObject[_cancelFD[0]] = nil;

#ifdef OF_HAVE_THREADS
		_mutex = [[OFMutex alloc] init];
#endif
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	close(_cancelFD[0]);
	if (_cancelFD[1] != _cancelFD[0])
		close(_cancelFD[1]);

	[_readObjects release];
	[_writeObjects release];
	[_queue release];
	[_queueInfo release];
	[_queueFDs release];
	[_queueActions release];
#ifdef OF_HAVE_THREADS
	[_mutex release];
#endif

	[super dealloc];
}

- (void)addObjectForReading: (id <OFReadyForReadingObserving>)object
{
#ifdef OF_HAVE_THREADS
	[_mutex lock];
#endif
	@try {
		int qi = QUEUE_ADD | QUEUE_READ;
		int fd = [object fileDescriptorForReading];

		[_queue addObject: object];
		[_queueInfo addItem: &qi];
		[_queueActions addItem: &qi];
		[_queueFDs addItem: &fd];
	} @finally {
#ifdef OF_HAVE_THREADS
		[_mutex unlock];
#endif
	}

	[self cancel];
}

- (void)addObjectForWriting: (id <OFReadyForWritingObserving>)object
{
#ifdef OF_HAVE_THREADS
	[_mutex lock];
#endif
	@try {
		int qi = QUEUE_ADD | QUEUE_WRITE;
		int fd = [object fileDescriptorForWriting];

		[_queue addObject: object];
		[_queueInfo addItem: &qi];
		[_queueActions addItem: &qi];
		[_queueFDs addItem: &fd];
	} @finally {
#ifdef OF_HAVE_THREADS
		[_mutex unlock];
#endif
	}

	[self cancel];
}

- (void)removeObjectForReading: (id <OFReadyForReadingObserving>)object
{
#ifdef OF_HAVE_THREADS
	[_mutex lock];
#endif
	@try {
		int qi = QUEUE_REMOVE | QUEUE_READ;
		int fd = [object fileDescriptorForReading];

		[_queue addObject: object];
		[_queueInfo addItem: &qi];
		[_queueActions addItem: &qi];
		[_queueFDs addItem: &fd];
	} @finally {
#ifdef OF_HAVE_THREADS
		[_mutex unlock];
#endif
	}

	[self cancel];
}

- (void)removeObjectForWriting: (id <OFReadyForWritingObserving>)object
{
#ifdef OF_HAVE_THREADS
	[_mutex lock];
#endif
	@try {
		int qi = QUEUE_REMOVE | QUEUE_WRITE;
		int fd = [object fileDescriptorForWriting];

		[_queue addObject: object];
		[_queueInfo addItem: &qi];
		[_queueActions addItem: &qi];
		[_queueFDs addItem: &fd];
	} @finally {
#ifdef OF_HAVE_THREADS
		[_mutex unlock];
#endif
	}

	[self cancel];
}

- (void)OF_addObjectForReading: (id)object
{
	OF_UNRECOGNIZED_SELECTOR
}
- (void)OF_addFileDescriptorForReading: (int)fd

- (void)OF_addObjectForWriting: (id)object
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)OF_addFileDescriptorForWriting: (int)fd
- (void)OF_removeObjectForReading: (id)object
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)OF_removeFileDescriptorForReading: (int)fd
- (void)OF_removeObjectForWriting: (id)object
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)OF_removeFileDescriptorForWriting: (int)fd
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)OF_processQueueAndStoreRemovedIn: (OFMutableArray*)removed
{
#ifdef OF_HAVE_THREADS
	[_mutex lock];
#endif
	@try {
		id const *queueObjects = [_queue objects];
		int *queueInfoItems = [_queueInfo items];
		int *queueActionItems = [_queueActions items];
		int *queueFDsItems = [_queueFDs items];
		size_t i, count = [_queue count];

		for (i = 0; i < count; i++) {
			id object = queueObjects[i];
			int action = queueInfoItems[i];
			int action = queueActionItems[i];
			int fd = queueFDsItems[i];

			if ((action & QUEUE_ACTION) == QUEUE_ADD) {
				if (fd > _maxFD) {
					_maxFD = fd;
					_FDToObject = [self
					    resizeMemory: _FDToObject
						    size: sizeof(id)
						   count: _maxFD + 1];
				}

				_FDToObject[fd] = object;
			}

			if ((action & QUEUE_ACTION) == QUEUE_REMOVE) {
				/*
				 * FIXME: What to do? There might still be an
				 *	  object that has data in the read
				 *	  buffer and needs the map!
				 */
			}

			switch (action) {
			case QUEUE_ADD | QUEUE_READ:
				[_readObjects addObject: object];

				[self OF_addFileDescriptorForReading: fd];
				[self OF_addObjectForReading: object];

				break;
			case QUEUE_ADD | QUEUE_WRITE:
				[_writeObjects addObject: object];

				[self OF_addFileDescriptorForWriting: fd];
				[self OF_addObjectForWriting: object];

				break;
			case QUEUE_REMOVE | QUEUE_READ:
				[self OF_removeFileDescriptorForReading: fd];
				[self OF_removeObjectForReading: object];

				[removed addObject: object];
				[_readObjects removeObjectIdenticalTo: object];

				break;
			case QUEUE_REMOVE | QUEUE_WRITE:
				[self OF_removeFileDescriptorForWriting: fd];
				[self OF_removeObjectForWriting: object];

				[removed addObject: object];
				[_writeObjects removeObjectIdenticalTo: object];

				break;
			default:
				assert(0);
			}
		}

		[_queue removeAllObjects];
		[_queueInfo removeAllItems];
		[_queueFDs removeAllItems];
		[_queueActions removeAllItems];
	} @finally {
#ifdef OF_HAVE_THREADS
		[_mutex unlock];
#endif
	}
}