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authorIan Dowse <iedowse@FreeBSD.org>2002-04-27 22:41:41 +0000
committerIan Dowse <iedowse@FreeBSD.org>2002-04-27 22:41:41 +0000
commitba1551ca813b624dfdaf8d66876adb3e024a3207 (patch)
treeab3f8fe2b905f86c563bfbca269c90f5c83f3a4f /sys/kern
parent4f033348f445cbd9929bf7297f07c1e160fdcce3 (diff)
Notes
Diffstat (limited to 'sys/kern')
-rw-r--r--sys/kern/kern_exit.c6
-rw-r--r--sys/kern/kern_sig.c9
2 files changed, 9 insertions, 6 deletions
diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c
index 0d0680453522..c9bf40bf1e78 100644
--- a/sys/kern/kern_exit.c
+++ b/sys/kern/kern_exit.c
@@ -368,10 +368,10 @@ exit1(td, rv)
/*
* Notify parent that we're gone. If parent has the PS_NOCLDWAIT
- * flag set, notify process 1 instead (and hope it will handle
- * this situation).
+ * flag set, or if the handler is set to SIG_IGN, notify process
+ * 1 instead (and hope it will handle this situation).
*/
- if (p->p_pptr->p_procsig->ps_flag & PS_NOCLDWAIT) {
+ if (p->p_pptr->p_procsig->ps_flag & (PS_NOCLDWAIT | PS_CLDSIGIGN)) {
struct proc *pp = p->p_pptr;
PROC_UNLOCK(pp);
proc_reparent(p, initproc);
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c
index 00110391e24d..16c6fed05a44 100644
--- a/sys/kern/kern_sig.c
+++ b/sys/kern/kern_sig.c
@@ -304,8 +304,7 @@ do_sigaction(p, sig, act, oact, old)
p->p_procsig->ps_flag |= PS_NOCLDSTOP;
else
p->p_procsig->ps_flag &= ~PS_NOCLDSTOP;
- if ((act->sa_flags & SA_NOCLDWAIT) ||
- ps->ps_sigact[_SIG_IDX(SIGCHLD)] == SIG_IGN) {
+ if (act->sa_flags & SA_NOCLDWAIT) {
/*
* Paranoia: since SA_NOCLDWAIT is implemented
* by reparenting the dying child to PID 1 (and
@@ -318,6 +317,10 @@ do_sigaction(p, sig, act, oact, old)
p->p_procsig->ps_flag |= PS_NOCLDWAIT;
} else
p->p_procsig->ps_flag &= ~PS_NOCLDWAIT;
+ if (ps->ps_sigact[_SIG_IDX(SIGCHLD)] == SIG_IGN)
+ p->p_procsig->ps_flag |= PS_CLDSIGIGN;
+ else
+ p->p_procsig->ps_flag &= ~PS_CLDSIGIGN;
}
/*
* Set bit in p_sigignore for signals that are set to SIG_IGN,
@@ -499,7 +502,7 @@ execsigs(p)
/*
* Reset no zombies if child dies flag as Solaris does.
*/
- p->p_procsig->ps_flag &= ~PS_NOCLDWAIT;
+ p->p_procsig->ps_flag &= ~(PS_NOCLDWAIT | PS_CLDSIGIGN);
if (ps->ps_sigact[_SIG_IDX(SIGCHLD)] == SIG_IGN)
ps->ps_sigact[_SIG_IDX(SIGCHLD)] = SIG_DFL;
PROC_UNLOCK(p);