diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c index de703483b0c..bd0f2793378 100644 --- a/sys/kern/sys_generic.c +++ b/sys/kern/sys_generic.c @@ -1228,6 +1228,13 @@ pollscan(td, fds, nfd) selfdalloc(td, fds); fds->revents = fo_poll(fp, fds->events, td->td_ucred, td); + /* + * POSIX requires POLLOUT to be never + * set simultaneously with POLLHUP. + */ + if ((fds->revents & POLLHUP) != 0) + fds->revents &= ~POLLOUT; + if (fds->revents != 0) n++; } diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index 2f4dd92736a..c60b8d1abce 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -2898,13 +2898,11 @@ sopoll_generic(struct socket *so, int events, struct ucred *active_cred, if (so->so_oobmark || (so->so_rcv.sb_state & SBS_RCVATMARK)) revents |= events & (POLLPRI | POLLRDBAND); - if ((events & POLLINIGNEOF) == 0) { - if (so->so_rcv.sb_state & SBS_CANTRCVMORE) { - revents |= events & (POLLIN | POLLRDNORM); - if (so->so_snd.sb_state & SBS_CANTSENDMORE) - revents |= POLLHUP; - } - } + if ((events & POLLINIGNEOF) == 0) + if (so->so_rcv.sb_state & SBS_CANTRCVMORE) + revents |= POLLHUP; + if (so->so_snd.sb_state & SBS_CANTSENDMORE) + revents |= POLLHUP; if (revents == 0) { if (events & (POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND)) {