diff options
| author | Philip Guenthe <guenther@cvs.openbsd.org> | 2012-03-10 06:27:22 +0000 |
|---|---|---|
| committer | Philip Guenthe <guenther@cvs.openbsd.org> | 2012-03-10 06:27:22 +0000 |
| commit | 161598ad7758da362b459d54e430675be7a627a1 (patch) | |
| tree | 98e82640924a9f810bc0c7e03e1d30cc16344cd9 /sys/kern/kern_sig.c | |
| parent | d61a690bb1fb3482ac59dcc5921f333753c82a6b (diff) | |
Give sigwait priority over ptrace to avoid panic
Diffstat (limited to 'sys/kern/kern_sig.c')
| -rw-r--r-- | sys/kern/kern_sig.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index 9ab09b72920..b3a92976985 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_sig.c,v 1.135 2012/03/10 05:54:28 guenther Exp $ */ +/* $OpenBSD: kern_sig.c,v 1.136 2012/03/10 06:27:21 guenther Exp $ */ /* $NetBSD: kern_sig.c,v 1.54 1996/04/22 01:38:32 christos Exp $ */ /* @@ -804,15 +804,17 @@ ptsignal(struct proc *p, int signum, enum signal_type type) /* * If proc is traced, always give parent a chance. + * XXX give sigwait() priority until it's fixed to do this + * XXX from issignal/postsig */ - if (pr->ps_flags & PS_TRACED) { - action = SIG_DFL; - atomic_setbits_int(&p->p_siglist, mask); - } else if (p->p_sigdivert & mask) { + if (p->p_sigdivert & mask) { p->p_sigwait = signum; atomic_clearbits_int(&p->p_sigdivert, ~0); action = SIG_CATCH; wakeup(&p->p_sigdivert); + } else if (pr->ps_flags & PS_TRACED) { + action = SIG_DFL; + atomic_setbits_int(&p->p_siglist, mask); } else { /* * If the signal is being ignored, |