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- (void)dealloc
{
[FDs release];
[super dealloc];
}
- (void)_addFileDescriptor: (int)fd
withEvents: (short)events
- (void)OF_addFileDescriptor: (int)fd
withEvents: (short)events
{
struct pollfd *FDsCArray = [FDs cArray];
size_t i, count = [FDs count];
BOOL found = NO;
for (i = 0; i < count; i++) {
if (FDsCArray[i].fd == fd) {
FDsCArray[i].events |= events;
found = YES;
break;
}
}
if (!found) {
struct pollfd p = { fd, events | POLLERR, 0 };
[FDs addItem: &p];
}
}
- (void)_removeFileDescriptor: (int)fd
withEvents: (short)events
- (void)OF_removeFileDescriptor: (int)fd
withEvents: (short)events
{
struct pollfd *FDsCArray = [FDs cArray];
size_t i, nFDs = [FDs count];
for (i = 0; i < nFDs; i++) {
if (FDsCArray[i].fd == fd) {
FDsCArray[i].events &= ~events;
if ((FDsCArray[i].events & ~POLLERR) == 0)
[FDs removeItemAtIndex: i];
break;
}
}
}
- (void)_addFileDescriptorForReading: (int)fd
- (void)OF_addFileDescriptorForReading: (int)fd
{
[self _addFileDescriptor: fd
withEvents: POLLIN];
[self OF_addFileDescriptor: fd
withEvents: POLLIN];
}
- (void)_addFileDescriptorForWriting: (int)fd
- (void)OF_addFileDescriptorForWriting: (int)fd
{
[self _addFileDescriptor: fd
withEvents: POLLOUT];
[self OF_addFileDescriptor: fd
withEvents: POLLOUT];
}
- (void)_removeFileDescriptorForReading: (int)fd
- (void)OF_removeFileDescriptorForReading: (int)fd
{
[self _removeFileDescriptor: fd
withEvents: POLLIN];
[self OF_removeFileDescriptor: fd
withEvents: POLLIN];
}
- (void)_removeFileDescriptorForWriting: (int)fd
- (void)OF_removeFileDescriptorForWriting: (int)fd
{
[self _removeFileDescriptor: fd
withEvents: POLLOUT];
[self OF_removeFileDescriptor: fd
withEvents: POLLOUT];
}
- (BOOL)observeWithTimeout: (double)timeout
{
void *pool = objc_autoreleasePoolPush();
struct pollfd *FDsCArray;
size_t i, nFDs, realEvents = 0;
[self _processQueue];
[self OF_processQueue];
if ([self _processCache]) {
if ([self OF_processCache]) {
objc_autoreleasePoolPop(pool);
return YES;
}
objc_autoreleasePoolPop(pool);
FDsCArray = [FDs cArray];
|