Differences From Artifact [22bca879fa]:
- File src/OFPollKernelEventObserver.m — part of check-in [23ff70bec4] at 2020-01-07 22:59:41 on branch trunk — OFKernelEventObserver: Fix read buffers, select() (user: js, size: 4791) [annotate] [blame] [check-ins using] [more...]
To Artifact [0607878a6c]:
- File
src/OFPollKernelEventObserver.m
— part of check-in
[7e9f70c477]
at
2020-01-13 00:18:40
on branch trunk
— OFPollKernelEventObserver: Copy FDs
This allows them to be modified while they are still being processed. (user: js, size: 4909) [annotate] [blame] [check-ins using]
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events: POLLOUT];
[super removeObjectForWriting: object];
}
- (void)observeForTimeInterval: (of_time_interval_t)timeInterval
{
struct pollfd *FDs;
int events;
size_t nFDs;
if ([self of_processReadBuffers])
return;
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events: POLLOUT];
[super removeObjectForWriting: object];
}
- (void)observeForTimeInterval: (of_time_interval_t)timeInterval
{
void *pool;
struct pollfd *FDs;
int events;
size_t nFDs;
if ([self of_processReadBuffers])
return;
pool = objc_autoreleasePoolPush();
FDs = [[[_FDs mutableCopy] autorelease] mutableItems];
nFDs = _FDs.count;
#ifdef OPEN_MAX
if (nFDs > OPEN_MAX)
@throw [OFOutOfRangeException exception];
#endif
events = poll(FDs, (nfds_t)nFDs,
(int)(timeInterval != -1 ? timeInterval * 1000 : -1));
if (events < 0)
@throw [OFObserveFailedException exceptionWithObserver: self
errNo: errno];
for (size_t i = 0; i < nFDs; i++) {
assert(FDs[i].fd <= _maxFD);
if (FDs[i].revents & POLLIN) {
void *pool2;
if (FDs[i].fd == _cancelFD[0]) {
char buffer;
#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
FDs[i].revents = 0;
continue;
}
pool2 = objc_autoreleasePoolPush();
if ([_delegate respondsToSelector:
@selector(objectIsReadyForReading:)])
[_delegate objectIsReadyForReading:
_FDToObject[FDs[i].fd]];
objc_autoreleasePoolPop(pool2);
}
if (FDs[i].revents & (POLLOUT | POLLHUP)) {
void *pool2 = objc_autoreleasePoolPush();
if ([_delegate respondsToSelector:
@selector(objectIsReadyForWriting:)])
[_delegate objectIsReadyForWriting:
_FDToObject[FDs[i].fd]];
objc_autoreleasePoolPop(pool2);
}
FDs[i].revents = 0;
}
objc_autoreleasePoolPop(pool);
}
@end
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