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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
* Jonathan Schleifer <js@webkeks.org>
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
* Jonathan Schleifer <js@heap.zone>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
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@throw [OFOutOfRangeException exception];
_maxFD = (int)_cancelFD[0];
return self;
}
- (void)OF_addObjectForReading: (id)object
- (void)OF_addObjectForReading: (id <OFReadyForReadingObserving>)object
{
int fd = [object fileDescriptorForReading];
if (fd < 0 || fd > INT_MAX - 1)
@throw [OFOutOfRangeException exception];
#ifndef _WIN32
if (fd >= FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
if (fd > _maxFD)
_maxFD = fd;
FD_SET(fd, &_readFDs);
}
- (void)OF_addObjectForWriting: (id)object
- (void)OF_addObjectForWriting: (id <OFReadyForWritingObserving>)object
{
int fd = [object fileDescriptorForWriting];
if (fd < 0 || fd > INT_MAX - 1)
@throw [OFOutOfRangeException exception];
#ifndef _WIN32
if (fd >= FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
if (fd > _maxFD)
_maxFD = fd;
FD_SET(fd, &_writeFDs);
}
- (void)OF_removeObjectForReading: (id)object
- (void)OF_removeObjectForReading: (id <OFReadyForReadingObserving>)object
{
/* TODO: Adjust _maxFD */
int fd = [object fileDescriptorForReading];
if (fd < 0 || fd >= FD_SETSIZE)
if (fd < 0)
@throw [OFOutOfRangeException exception];
#ifndef _WIN32
if (fd >= FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
FD_CLR(fd, &_readFDs);
}
- (void)OF_removeObjectForWriting: (id)object
- (void)OF_removeObjectForWriting: (id <OFReadyForWritingObserving>)object
{
/* TODO: Adjust _maxFD */
int fd = [object fileDescriptorForWriting];
if (fd < 0 || fd >= FD_SETSIZE)
if (fd < 0)
@throw [OFOutOfRangeException exception];
#ifndef _WIN32
if (fd >= FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
FD_CLR(fd, &_writeFDs);
}
- (void)observeForTimeInterval: (of_time_interval_t)timeInterval
{
void *pool = objc_autoreleasePoolPush();
id const *objects;
fd_set readFDs;
fd_set writeFDs;
struct timeval timeout;
int events;
size_t i, count;
[self OF_processQueueAndStoreRemovedIn: nil];
[self OF_processReadBuffers];
[self OF_processQueue];
if ([self OF_processReadBuffers])
return;
objc_autoreleasePoolPop(pool);
#ifdef FD_COPY
FD_COPY(&_readFDs, &readFDs);
FD_COPY(&_writeFDs, &writeFDs);
#else
readFDs = _readFDs;
writeFDs = _writeFDs;
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if (events < 0)
@throw [OFObserveFailedException exceptionWithObserver: self
errNo: errno];
if (FD_ISSET(_cancelFD[0], &readFDs)) {
char buffer;
#ifndef _WIN32
#ifdef OF_HAVE_PIPE
OF_ENSURE(read(_cancelFD[0], &buffer, 1) == 1);
#else
OF_ENSURE(recvfrom(_cancelFD[0], &buffer, 1, 0, NULL,
NULL) == 1);
#endif
}
objects = [_readObjects objects];
count = [_readObjects count];
for (i = 0; i < count; i++) {
int fd;
pool = objc_autoreleasePoolPush();
fd = [objects[i] fileDescriptorForReading];
void *pool = objc_autoreleasePoolPush();
int fd = [objects[i] fileDescriptorForReading];
if (FD_ISSET(fd, &readFDs) && [_delegate respondsToSelector:
@selector(objectIsReadyForReading:)])
[_delegate objectIsReadyForReading: objects[i]];
objc_autoreleasePoolPop(pool);
}
objects = [_writeObjects objects];
count = [_writeObjects count];
for (i = 0; i < count; i++) {
int fd;
pool = objc_autoreleasePoolPush();
fd = [objects[i] fileDescriptorForWriting];
void *pool = objc_autoreleasePoolPush();
int fd = [objects[i] fileDescriptorForWriting];
if (FD_ISSET(fd, &writeFDs) && [_delegate respondsToSelector:
@selector(objectIsReadyForWriting:)])
[_delegate objectIsReadyForWriting: objects[i]];
objc_autoreleasePoolPop(pool);
}
}
@end
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