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LibCore: Awaken read notifiers when we receive POLLHUP events

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POLLHUP is set when the remote end of the monitored fd is closed. There
may still be some buffered data to read from the socket, however. Some
systems do not set POLLIN in these cases. So we should just always try
to read from fds when we receive this event.
This commit is contained in:
Timothy Flynn 2025-07-07 13:39:26 -04:00 • committed by Andrew Kaster
parent f46b721c57
commit a9f7579738
Notes: github-actions[bot] 2025-07-07 21:54:15 +00:00
1 changed files with 3 additions and 1 deletions
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4
Libraries/LibCore/EventLoopImplementationUnix.cpp
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@ -420,10 +420,12 @@ try_select_again:
if (has_flag(revents, POLLOUT))
type |= NotificationType::Write;
if (has_flag(revents, POLLHUP))
type |= NotificationType::HangUp;
type |= NotificationType::Read | NotificationType::HangUp;
if (has_flag(revents, POLLERR))
type |= NotificationType::Error;
type &= notifier.type();
if (type != NotificationType::None)
ThreadEventQueue::current().post_event(notifier, make<NotifierActivationEvent>(notifier.fd(), type));
#endif