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Kernel: Set POLLHUP on WriteHangUp in sys$poll instead of POLLNVAL

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POLLNVAL signifies an invalid fd, not a write hang up.
This commit is contained in:
Idan Horowitz 2022-07-09 23:55:47 +03:00 • committed by Andreas Kling
parent 020c898290
commit 5ca46abb51
1 changed files with 1 additions and 1 deletions
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2
Kernel/Syscalls/poll.cpp
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@ -97,7 +97,7 @@ ErrorOr<FlatPtr> Process::sys$poll(Userspace<Syscall::SC_poll_params const*> use
if (has_flag(fds_entry.unblocked_flags, BlockFlags::WriteError)) if (has_flag(fds_entry.unblocked_flags, BlockFlags::WriteError))
pfd.revents |= POLLERR; pfd.revents |= POLLERR;
if (has_flag(fds_entry.unblocked_flags, BlockFlags::WriteHangUp)) if (has_flag(fds_entry.unblocked_flags, BlockFlags::WriteHangUp))
pfd.revents |= POLLNVAL; pfd.revents |= POLLHUP;
} else { } else {
if (has_flag(fds_entry.unblocked_flags, BlockFlags::Read)) { if (has_flag(fds_entry.unblocked_flags, BlockFlags::Read)) {
VERIFY(pfd.events & POLLIN); VERIFY(pfd.events & POLLIN);