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*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#define __NO_EXT_QNX
#include "config.h"
#include "platform.h"
#ifdef OF_WINDOWS
/* Win32 has a ridiculous default of 64, even though it supports much more. */
# define FD_SETSIZE 1024
#endif
#include <errno.h>
#include <string.h>
#include <sys/time.h>
#import "OFSelectKernelEventObserver.h"
#import "OFArray.h"
#import "OFInitializationFailedException.h"
#import "OFObserveFailedException.h"
#import "OFOutOfRangeException.h"
#import "socket_helpers.h"
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*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#define __NO_EXT_QNX
#include "platform.h"
#ifdef OF_WINDOWS
/* Win32 has a ridiculous default of 64, even though it supports much more. */
# define FD_SETSIZE 1024
#endif
#include <errno.h>
#include <string.h>
#include <sys/time.h>
#import "OFSelectKernelEventObserver.h"
#import "OFArray.h"
#import "OFSocket+Private.h"
#import "OFInitializationFailedException.h"
#import "OFObserveFailedException.h"
#import "OFOutOfRangeException.h"
#ifdef OF_AMIGAOS
# include <proto/exec.h>
#endif
#ifdef OF_HPUX
/* FD_SET causes warnings on HP-UX/IA64. */
# pragma GCC diagnostic ignored "-Wstrict-aliasing"
#endif
@implementation OFSelectKernelEventObserver
- (instancetype)init
{
self = [super init];
@try {
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if (fd >= (int)FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
if (fd > _maxFD)
_maxFD = fd;
FD_SET((of_socket_t)fd, &_readFDs);
[super addObjectForReading: object];
}
- (void)addObjectForWriting: (id <OFReadyForWritingObserving>)object
{
int fd = object.fileDescriptorForWriting;
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if (fd >= (int)FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
if (fd > _maxFD)
_maxFD = fd;
FD_SET((OFSocketHandle)fd, &_readFDs);
[super addObjectForReading: object];
}
- (void)addObjectForWriting: (id <OFReadyForWritingObserving>)object
{
int fd = object.fileDescriptorForWriting;
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if (fd >= (int)FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
if (fd > _maxFD)
_maxFD = fd;
FD_SET((of_socket_t)fd, &_writeFDs);
[super addObjectForWriting: object];
}
- (void)removeObjectForReading: (id <OFReadyForReadingObserving>)object
{
/* TODO: Adjust _maxFD */
int fd = object.fileDescriptorForReading;
if (fd < 0)
@throw [OFObserveFailedException exceptionWithObserver: self
errNo: EBADF];
#ifndef OF_WINDOWS
if (fd >= (int)FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
FD_CLR((of_socket_t)fd, &_readFDs);
[super removeObjectForReading: object];
}
- (void)removeObjectForWriting: (id <OFReadyForWritingObserving>)object
{
/* TODO: Adjust _maxFD */
int fd = object.fileDescriptorForWriting;
if (fd < 0)
@throw [OFObserveFailedException exceptionWithObserver: self
errNo: EBADF];
#ifndef OF_WINDOWS
if (fd >= (int)FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
FD_CLR((of_socket_t)fd, &_writeFDs);
[super removeObjectForWriting: object];
}
- (void)observeForTimeInterval: (of_time_interval_t)timeInterval
{
fd_set readFDs;
fd_set writeFDs;
struct timeval timeout;
int events;
#ifdef OF_AMIGAOS
BYTE cancelSignal;
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if (fd >= (int)FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
if (fd > _maxFD)
_maxFD = fd;
FD_SET((OFSocketHandle)fd, &_writeFDs);
[super addObjectForWriting: object];
}
- (void)removeObjectForReading: (id <OFReadyForReadingObserving>)object
{
/* TODO: Adjust _maxFD */
int fd = object.fileDescriptorForReading;
if (fd < 0)
@throw [OFObserveFailedException exceptionWithObserver: self
errNo: EBADF];
#ifndef OF_WINDOWS
if (fd >= (int)FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
FD_CLR((OFSocketHandle)fd, &_readFDs);
[super removeObjectForReading: object];
}
- (void)removeObjectForWriting: (id <OFReadyForWritingObserving>)object
{
/* TODO: Adjust _maxFD */
int fd = object.fileDescriptorForWriting;
if (fd < 0)
@throw [OFObserveFailedException exceptionWithObserver: self
errNo: EBADF];
#ifndef OF_WINDOWS
if (fd >= (int)FD_SETSIZE)
@throw [OFOutOfRangeException exception];
#endif
FD_CLR((OFSocketHandle)fd, &_writeFDs);
[super removeObjectForWriting: object];
}
- (void)observeForTimeInterval: (OFTimeInterval)timeInterval
{
fd_set readFDs;
fd_set writeFDs;
struct timeval timeout;
int events;
#ifdef OF_AMIGAOS
BYTE cancelSignal;
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events = select(_maxFD + 1, &readFDs, &writeFDs, NULL,
(timeInterval != -1 ? &timeout : NULL));
#endif
if (events < 0)
@throw [OFObserveFailedException
exceptionWithObserver: self
errNo: of_socket_errno()];
#ifdef OF_AMIGAOS
if (execSignalMask != 0 &&
[_delegate respondsToSelector: @selector(execSignalWasReceived:)])
[_delegate execSignalWasReceived: execSignalMask];
#else
if (FD_ISSET(_cancelFD[0], &readFDs)) {
char buffer;
# ifdef OF_HAVE_PIPE
OF_ENSURE(read(_cancelFD[0], &buffer, 1) == 1);
# else
OF_ENSURE(recvfrom(_cancelFD[0], (void *)&buffer, 1, 0, NULL,
NULL) == 1);
# endif
}
#endif
pool = objc_autoreleasePoolPush();
for (id <OFReadyForReadingObserving> object in
[[_readObjects copy] autorelease]) {
void *pool2 = objc_autoreleasePoolPush();
int fd = object.fileDescriptorForReading;
if (FD_ISSET((of_socket_t)fd, &readFDs) &&
[_delegate respondsToSelector:
@selector(objectIsReadyForReading:)])
[_delegate objectIsReadyForReading: object];
objc_autoreleasePoolPop(pool2);
}
for (id <OFReadyForWritingObserving> object in
[[_writeObjects copy] autorelease]) {
void *pool2 = objc_autoreleasePoolPush();
int fd = object.fileDescriptorForWriting;
if (FD_ISSET((of_socket_t)fd, &writeFDs) &&
[_delegate respondsToSelector:
@selector(objectIsReadyForWriting:)])
[_delegate objectIsReadyForWriting: object];
objc_autoreleasePoolPop(pool2);
}
objc_autoreleasePoolPop(pool);
}
@end
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events = select(_maxFD + 1, &readFDs, &writeFDs, NULL,
(timeInterval != -1 ? &timeout : NULL));
#endif
if (events < 0)
@throw [OFObserveFailedException
exceptionWithObserver: self
errNo: OFSocketErrNo()];
#ifdef OF_AMIGAOS
if (execSignalMask != 0 &&
[_delegate respondsToSelector: @selector(execSignalWasReceived:)])
[_delegate execSignalWasReceived: execSignalMask];
#else
if (FD_ISSET(_cancelFD[0], &readFDs)) {
char buffer;
# ifdef OF_HAVE_PIPE
OFEnsure(read(_cancelFD[0], &buffer, 1) == 1);
# else
OFEnsure(recvfrom(_cancelFD[0], (void *)&buffer, 1, 0, NULL,
NULL) == 1);
# endif
}
#endif
pool = objc_autoreleasePoolPush();
for (id <OFReadyForReadingObserving> object in
[[_readObjects copy] autorelease]) {
void *pool2 = objc_autoreleasePoolPush();
int fd = object.fileDescriptorForReading;
if (FD_ISSET((OFSocketHandle)fd, &readFDs) &&
[_delegate respondsToSelector:
@selector(objectIsReadyForReading:)])
[_delegate objectIsReadyForReading: object];
objc_autoreleasePoolPop(pool2);
}
for (id <OFReadyForWritingObserving> object in
[[_writeObjects copy] autorelease]) {
void *pool2 = objc_autoreleasePoolPush();
int fd = object.fileDescriptorForWriting;
if (FD_ISSET((OFSocketHandle)fd, &writeFDs) &&
[_delegate respondsToSelector:
@selector(objectIsReadyForWriting:)])
[_delegate objectIsReadyForWriting: object];
objc_autoreleasePoolPop(pool2);
}
objc_autoreleasePoolPop(pool);
}
@end
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