diff options
Diffstat (limited to 'sys/kern/tty_pty.c')
| -rw-r--r-- | sys/kern/tty_pty.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sys/kern/tty_pty.c b/sys/kern/tty_pty.c index bc1b1c8604a..7b37313b565 100644 --- a/sys/kern/tty_pty.c +++ b/sys/kern/tty_pty.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tty_pty.c,v 1.6 1997/11/13 03:11:17 millert Exp $ */ +/* $OpenBSD: tty_pty.c,v 1.7 1997/11/30 21:41:03 deraadt Exp $ */ /* $NetBSD: tty_pty.c,v 1.33.4.1 1996/06/02 09:08:11 mrg Exp $ */ /* @@ -616,6 +616,19 @@ ptyioctl(dev, cmd, data, flag, p) switch (cmd) { case TIOCGPGRP: +#ifdef COMPAT_SUNOS + { + /* + * I'm not sure about SunOS TIOCGPGRP semantics + * on PTYs, but it's something like this: + */ + extern struct emul emul_sunos; + if (p->p_emul == &emul_sunos && tp->t_pgrp == 0) + return (EIO); + *(int *)data = tp->t_pgrp->pg_id; + return (0); + } +#endif /* * We aviod calling ttioctl on the controller since, * in that case, tp must be the controlling terminal. |