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Try to make the setting of the SIGCHLD handler the same as setting of

Browse source 
the NOCLDWAI flag. Susv2 seems to require this.

Submitted by:	Cejka Rudolf <cejkar@dcse.fee.vutbr.cz>
Reviewed by:	dillon
This commit is contained in:
David Malone 2001-06-11 09:15:41 +00:00
parent ee84c5b19d
commit c7fd62da6c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=78056
1 changed files with 4 additions and 1 deletions
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5
sys/kern/kern_sig.c
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@ -293,7 +293,8 @@ 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) {
if ((act->sa_flags & SA_NOCLDWAIT) ||
ps->ps_sigact[_SIG_IDX(SIGCHLD)] == SIG_IGN) {
/*
* Paranoia: since SA_NOCLDWAIT is implemented
* by reparenting the dying child to PID 1 (and
@ -468,6 +469,8 @@ execsigs(p)
* Reset no zombies if child dies flag as Solaris does.
*/
p->p_procsig->ps_flag &= ~PS_NOCLDWAIT;
if (ps->ps_sigact[_SIG_IDX(SIGCHLD)] == SIG_IGN)
ps->ps_sigact[_SIG_IDX(SIGCHLD)] = SIG_DFL;
PROC_UNLOCK(p);
}