diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/tty.c | 7 | ||||
| -rw-r--r-- | sys/kern/tty_pty.c | 10 |
2 files changed, 7 insertions, 10 deletions
diff --git a/sys/kern/tty.c b/sys/kern/tty.c index 45a386b32f1..fa82a3db1ca 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tty.c,v 1.100 2013/10/04 17:52:55 millert Exp $ */ +/* $OpenBSD: tty.c,v 1.101 2013/10/06 01:10:53 millert Exp $ */ /* $NetBSD: tty.c,v 1.68.4.2 1996/06/06 16:04:52 thorpej Exp $ */ /*- @@ -1065,10 +1065,7 @@ ttpoll(dev_t device, int events, struct proc *p) !ISSET(tp->t_state, TS_CARR_ON))) revents |= events & (POLLIN | POLLRDNORM); } - /* NOTE: POLLHUP and POLLOUT/POLLWRNORM are mutually exclusive */ - if (!ISSET(tp->t_cflag, CLOCAL) && !ISSET(tp->t_state, TS_CARR_ON)) { - revents |= POLLHUP; - } else if (events & (POLLOUT | POLLWRNORM)) { + if (events & (POLLOUT | POLLWRNORM)) { if (tp->t_outq.c_cc <= tp->t_lowat) revents |= events & (POLLOUT | POLLWRNORM); } diff --git a/sys/kern/tty_pty.c b/sys/kern/tty_pty.c index fa386ef4a66..ba902675545 100644 --- a/sys/kern/tty_pty.c +++ b/sys/kern/tty_pty.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tty_pty.c,v 1.60 2013/10/04 17:52:55 millert Exp $ */ +/* $OpenBSD: tty_pty.c,v 1.61 2013/10/06 01:10:53 millert Exp $ */ /* $NetBSD: tty_pty.c,v 1.33.4.1 1996/06/02 09:08:11 mrg Exp $ */ /* @@ -615,6 +615,9 @@ ptcpoll(dev_t dev, int events, struct proc *p) struct tty *tp = pti->pt_tty; int revents = 0, s; + if (!ISSET(tp->t_state, TS_CARR_ON)) + return (POLLHUP); + if (!ISSET(tp->t_state, TS_ISOPEN)) goto notopen; @@ -629,10 +632,7 @@ ptcpoll(dev_t dev, int events, struct proc *p) revents |= events & (POLLIN | POLLRDNORM); splx(s); } - /* NOTE: POLLHUP and POLLOUT/POLLWRNORM are mutually exclusive */ - if (!ISSET(tp->t_state, TS_CARR_ON)) { - revents |= POLLHUP; - } else if (events & (POLLOUT | POLLWRNORM)) { + if (events & (POLLOUT | POLLWRNORM)) { if ((pti->pt_flags & PF_REMOTE) ? (tp->t_canq.c_cc == 0) : ((tp->t_rawq.c_cc + tp->t_canq.c_cc < TTYHOG(tp) - 2) || |