diff options
| author |   joshe <joshe@openbsd.org> | 2011-11-22 23:20:19 +0000 |
|---|---|---|
| committer | joshe <joshe@openbsd.org> | 2011-11-22 23:20:19 +0000 |
| commit | a9b1ac2111b2ea40bc796c5c55e432f4bfed8207 (patch) | |
| tree | 0c199f9fafbd65de79f24d4e659656bd21a10831 /sys/kern/kern_fork.c | |
| parent | Add a test for forked processes inheriting their parent's signal stack. (diff) | |
| download | wireguard-openbsd-a9b1ac2111b2ea40bc796c5c55e432f4bfed8207.tar.xz wireguard-openbsd-a9b1ac2111b2ea40bc796c5c55e432f4bfed8207.zip | |
Move struct proc's sigaltstack struct from the zeroed area into the
copied area, and initialize it properly in the FORK_THREAD case.
This restores the behavior of a forked process inheriting its parent's
signal stack.
ok guenther@
Diffstat (limited to 'sys/kern/kern_fork.c')
| -rw-r--r-- | sys/kern/kern_fork.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index 7d608152c00..f5cd1f8eeb2 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_fork.c,v 1.131 2011/11/09 20:57:38 guenther Exp $ */ +/* $OpenBSD: kern_fork.c,v 1.132 2011/11/22 23:20:19 joshe Exp $ */ /* $NetBSD: kern_fork.c,v 1.29 1996/02/09 18:59:34 christos Exp $ */ /* @@ -388,6 +388,8 @@ fork1(struct proc *curp, int exitsig, int flags, void *stack, pid_t *tidptr, p->p_sigacts = sigactsshare(curp); else p->p_sigacts = sigactsinit(curp); + if (flags & FORK_THREAD) + sigstkinit(&p->p_sigstk); /* * If emulation has process fork hook, call it now. |