diff options
| author | Claudio Jeker <claudio@cvs.openbsd.org> | 2024-10-09 08:39:50 +0000 |
|---|---|---|
| committer | Claudio Jeker <claudio@cvs.openbsd.org> | 2024-10-09 08:39:50 +0000 |
| commit | e25a2fd728af854333ee86850722c21c8124edb2 (patch) | |
| tree | 65d9948b99e8b96c6890e4f2255759761ab66c58 /sys/kern | |
| parent | 9639a8aabd74fbb10b3fc377dbaac5b19c006e8d (diff) | |
Convert prsignal() into a real function
Also do not use ps_mainproc as the thread the signal is send to. Sending
a signal to ps_mainproc may not work reliably if it already exited. Use
TAILQ_FIRST(&pr->ps_threads) instead but first check that the process has
not yet entered exit1().
OK mpi@
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_sig.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index 8f8ab6405f6..ae226ed639b 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_sig.c,v 1.339 2024/10/01 08:28:34 claudio Exp $ */ +/* $OpenBSD: kern_sig.c,v 1.340 2024/10/09 08:39:49 claudio Exp $ */ /* $NetBSD: kern_sig.c,v 1.54 1996/04/22 01:38:32 christos Exp $ */ /* @@ -901,6 +901,16 @@ psignal(struct proc *p, int signum) ptsignal(p, signum, SPROCESS); } +void +prsignal(struct process *pr, int signum) +{ + /* Ignore signal if the target process is exiting */ + if (pr->ps_flags & PS_EXITING) { + return; + } + ptsignal(TAILQ_FIRST(&pr->ps_threads), signum, SPROCESS); +} + /* * type = SPROCESS process signal, can be diverted (sigwait()) * type = STHREAD thread signal, but should be propagated if unhandled |