ObjFW  Diff

	self = [super init];

	@try {
		_timersQueue = [[OFSortedList alloc] init];

#if defined(OF_HAVE_SOCKETS)
		_kernelEventObserver = [[OFKernelEventObserver alloc] init];
		[_kernelEventObserver setDelegate: self];

		_readQueues = [[OFMutableDictionary alloc] init];
		_writeQueues = [[OFMutableDictionary alloc] init];
#elif defined(OF_HAVE_THREADS)
		_condition = [[OFCondition alloc] init];
#endif
	} @catch (id e) {

	 */
	OFList OF_GENERIC(OF_KINDOF(OFRunLoop_ReadQueueItem *)) *queue =
	    [[_readQueues objectForKey: object] retain];

	assert(queue != nil);

	@try {
		if (![[queue firstObject] handleObject: object]) {
			of_list_object_t *listObject = [queue firstListObject];

			/*
			 * The handler might have called -[cancelAsyncRequests]
			 * so that our queue is now empty, in which case we
			 * should do nothing.
			 */
			if (listObject != NULL) {
				/*
				 * Make sure we keep the target until after we
				 * are done removing the object. The reason for
				 * this is that the target might call
				 * -[cancelAsyncRequests] in its dealloc.
				 */
				[[listObject->object retain] autorelease];

				[queue removeListObject: listObject];

				if ([queue count] == 0) {
					[_kernelEventObserver
					    removeObjectForReading: object];
					[_readQueues
					    removeObjectForKey: object];
				}
			}
		}

	 * handler called -[cancelAsyncRequests].
	 */
	OFList *queue = [[_writeQueues objectForKey: object] retain];

	assert(queue != nil);

	@try {
		if (![[queue firstObject] handleObject: object]) {
			of_list_object_t *listObject = [queue firstListObject];

			/*
			 * The handler might have called -[cancelAsyncRequests]
			 * so that our queue is now empty, in which case we
			 * should do nothing.
			 */
			if (listObject != NULL) {
				/*
				 * Make sure we keep the target until after we
				 * are done removing the object. The reason for
				 * this is that the target might call
				 * -[cancelAsyncRequests] in its dealloc.
				 */
				[[listObject->object retain] autorelease];

				[queue removeListObject: listObject];

				if ([queue count] == 0) {
					[_kernelEventObserver
					    removeObjectForWriting: object];
					[_writeQueues
					    removeObjectForKey: object];
				}
			}
		}

@end

@implementation OFRunLoop_WriteDataQueueItem
- (bool)handleObject: (id)object
{
	size_t length;
	id exception = nil;
	size_t dataLength = [_data count] * [_data itemSize];
	OFData *newData, *oldData;

	@try {
		const char *dataItems = [_data items];

		length = [object writeBuffer: dataItems + _writtenLength
				      length: dataLength - _writtenLength];
	} @catch (id e) {
		length = 0;
		exception = e;
	}

@implementation OFRunLoop_UDPSendQueueItem
- (bool)handleObject: (id)object
{
	id exception = nil;
	OFData *newData, *oldData;

	@try {
		[object sendBuffer: [_data items]
			    length: [_data count] * [_data itemSize]
			  receiver: &_receiver];
	} @catch (id e) {
		exception = e;
	}

# ifdef OF_HAVE_BLOCKS
	if (_block != NULL) {

{
	return mainRunLoop;
}

+ (OFRunLoop *)currentRunLoop
{
#ifdef OF_HAVE_THREADS
	return [[OFThread currentThread] runLoop];
#else
	return [self mainRunLoop];
#endif
}

+ (void)of_setMainRunLoop: (OFRunLoop *)runLoop
{

						   create: true];	\
	OFList *queue = [state->_readQueues objectForKey: object];	\
	type *queueItem;						\
									\
	if (queue == nil) {						\
		queue = [OFList list];					\
		[state->_readQueues setObject: queue			\
					 forKey: object];		\
	}								\
									\
	if ([queue count] == 0)						\
		[state->_kernelEventObserver				\
		    addObjectForReading: object];			\
									\
	queueItem = [[[type alloc] init] autorelease];
# define NEW_WRITE(type, object, mode)					\
	void *pool = objc_autoreleasePoolPush();			\
	OFRunLoop *runLoop = [self currentRunLoop];			\
	OFRunLoop_State *state = [runLoop of_stateForMode: mode		\
						   create: true];	\
	OFList *queue = [state->_writeQueues objectForKey: object];	\
	type *queueItem;						\
									\
	if (queue == nil) {						\
		queue = [OFList list];					\
		[state->_writeQueues setObject: queue			\
					  forKey: object];		\
	}								\
									\
	if ([queue count] == 0)						\
		[state->_kernelEventObserver				\
		    addObjectForWriting: object];			\
									\
	queueItem = [[[type alloc] init] autorelease];
#define QUEUE_ITEM							\
	[queue appendObject: queueItem];				\
									\

						   create: false];
	OFList *queue;

	if (state == nil)
		return;

	if ((queue = [state->_writeQueues objectForKey: object]) != nil) {
		assert([queue count] > 0);

		/*
		 * Clear the queue now, in case this has been called from a
		 * handler, as otherwise, we'd do the cleanups below twice.
		 */
		[queue removeAllObjects];

		[state->_kernelEventObserver removeObjectForWriting: object];
		[state->_writeQueues removeObjectForKey: object];
	}

	if ((queue = [state->_readQueues objectForKey: object]) != nil) {
		assert([queue count] > 0);

		/*
		 * Clear the queue now, in case this has been called from a
		 * handler, as otherwise, we'd do the cleanups below twice.
		 */
		[queue removeAllObjects];

#ifdef OF_HAVE_THREADS
	[state->_timersQueueMutex lock];
	@try {
#endif
		of_list_object_t *iter;

		for (iter = [state->_timersQueue firstListObject]; iter != NULL;
		    iter = iter->next) {
			if ([iter->object isEqual: timer]) {
				[state->_timersQueue removeListObject: iter];
				break;
			}
		}
#ifdef OF_HAVE_THREADS

}

- (void)runUntilDate: (OFDate *)deadline
{
	_stop = false;

	while (!_stop &&
	    (deadline == nil || [deadline timeIntervalSinceNow] >= 0))
		[self runMode: of_run_loop_mode_default
		   beforeDate: deadline];
}

- (void)runMode: (of_run_loop_mode_t)mode
     beforeDate: (OFDate *)deadline
{

			OFTimer *timer;

#ifdef OF_HAVE_THREADS
			[state->_timersQueueMutex lock];
			@try {
#endif
				of_list_object_t *listObject =
				    [state->_timersQueue firstListObject];

				if (listObject != NULL && [[listObject->object
				    fireDate] timeIntervalSinceNow] <= 0) {
					timer = [[listObject->object
					    retain] autorelease];

					[state->_timersQueue
					    removeListObject: listObject];

					[timer of_setInRunLoop: nil
							  mode: nil];
				} else
					break;
#ifdef OF_HAVE_THREADS
			} @finally {
				[state->_timersQueueMutex unlock];
			}
#endif

			if ([timer isValid]) {
				[timer fire];
				return;
			}
		}

#ifdef OF_HAVE_THREADS
		[state->_timersQueueMutex lock];

#endif

		/* Watch for I/O events until the next timer is due */
		if (nextTimer != nil || deadline != nil) {
			of_time_interval_t timeout;

			if (nextTimer != nil && deadline == nil)
				timeout = [nextTimer timeIntervalSinceNow];
			else if (nextTimer == nil && deadline != nil)
				timeout = [deadline timeIntervalSinceNow];
			else
				timeout = [[nextTimer earlierDate: deadline]
				    timeIntervalSinceNow];

			if (timeout < 0)
				timeout = 0;

#if defined(OF_HAVE_SOCKETS)
			@try {
				[state->_kernelEventObserver
				    observeForTimeInterval: timeout];
			} @catch (OFObserveFailedException *e) {
				if ([e errNo] != EINTR)
					@throw e;
			}
#elif defined(OF_HAVE_THREADS)
			[state->_condition lock];
			[state->_condition waitForTimeInterval: timeout];
			[state->_condition unlock];
#else
			[OFThread sleepForTimeInterval: timeout];
#endif
		} else {
			/*
			 * No more timers and no deadline: Just watch for I/O
			 * until we get an event. If a timer is added by
			 * another thread, it cancels the observe.
			 */
#if defined(OF_HAVE_SOCKETS)
			@try {
				[state->_kernelEventObserver observe];
			} @catch (OFObserveFailedException *e) {
				if ([e errNo] != EINTR)
					@throw e;
			}
#elif defined(OF_HAVE_THREADS)
			[state->_condition lock];
			[state->_condition wait];
			[state->_condition unlock];
#else