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if ((flags = fcntl(_epfd, F_GETFD, 0)) != -1)
fcntl(_epfd, F_SETFD, flags | FD_CLOEXEC);
#endif
_FDToEvents = [[OFMapTable alloc]
initWithKeyFunctions: mapFunctions
valueFunctions: mapFunctions];
objectFunctions: mapFunctions];
memset(&event, 0, sizeof(event));
event.events = EPOLLIN;
event.data.ptr = [OFNull null];
if (epoll_ctl(_epfd, EPOLL_CTL_ADD, _cancelFD[0], &event) == -1)
@throw [OFInitializationFailedException exception];
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- (void)OF_addObject: (id)object
fileDescriptor: (int)fd
events: (int)addEvents
{
struct epoll_event event;
intptr_t events;
events = (intptr_t)[_FDToEvents valueForKey: (void*)((intptr_t)fd + 1)];
events = (intptr_t)[_FDToEvents
objectForKey: (void*)((intptr_t)fd + 1)];
memset(&event, 0, sizeof(event));
event.events = (int)events | addEvents;
event.data.ptr = object;
if (epoll_ctl(_epfd, (events == 0 ? EPOLL_CTL_ADD : EPOLL_CTL_MOD),
fd, &event) == -1)
@throw [OFObserveFailedException exceptionWithObserver: self
errNo: errno];
[_FDToEvents setValue: (void*)(events | addEvents)
forKey: (void*)((intptr_t)fd + 1)];
[_FDToEvents setObject: (void*)(events | addEvents)
forKey: (void*)((intptr_t)fd + 1)];
}
- (void)OF_removeObject: (id)object
fileDescriptor: (int)fd
events: (int)removeEvents
{
intptr_t events;
events = (intptr_t)[_FDToEvents valueForKey: (void*)((intptr_t)fd + 1)];
events = (intptr_t)[_FDToEvents
objectForKey: (void*)((intptr_t)fd + 1)];
events &= ~removeEvents;
if (events == 0) {
if (epoll_ctl(_epfd, EPOLL_CTL_DEL, fd, NULL) == -1)
@throw [OFObserveFailedException
exceptionWithObserver: self
errNo: errno];
[_FDToEvents removeValueForKey: (void*)((intptr_t)fd + 1)];
[_FDToEvents removeObjectForKey: (void*)((intptr_t)fd + 1)];
} else {
struct epoll_event event;
memset(&event, 0, sizeof(event));
event.events = (int)events;
event.data.ptr = object;
if (epoll_ctl(_epfd, EPOLL_CTL_MOD, fd, &event) == -1)
@throw [OFObserveFailedException
exceptionWithObserver: self
errNo: errno];
[_FDToEvents setValue: (void*)events
forKey: (void*)((intptr_t)fd + 1)];
[_FDToEvents setObject: (void*)events
forKey: (void*)((intptr_t)fd + 1)];
}
}
- (void)OF_addObjectForReading: (id <OFReadyForReadingObserving>)object
{
[self OF_addObject: object
fileDescriptor: [object fileDescriptorForReading]
|