Author: kib
Date: Tue May 5 09:24:20 2009
New Revision: 191812
URL: http://svn.freebsd.org/changeset/base/191812
Log:
MFC r191313:
On the exit of the child process which parent either set SA_NOCLDWAIT
or ignored SIGCHLD, unconditionally wake up the parent instead of doing
this only when the child is a last child.
MFC r191319:
Fix typo.
Modified:
stable/7/sys/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
stable/7/sys/dev/ath/ath_hal/ (props changed)
stable/7/sys/dev/cxgb/ (props changed)
stable/7/sys/kern/kern_exit.c
Modified: stable/7/sys/kern/kern_exit.c
==============================================================================
--- stable/7/sys/kern/kern_exit.c Tue May 5 09:20:07 2009
(r191811)
+++ stable/7/sys/kern/kern_exit.c Tue May 5 09:24:20 2009
(r191812)
@@ -511,13 +511,13 @@ retry:
proc_reparent(p, initproc);
p->p_sigparent = SIGCHLD;
PROC_LOCK(p->p_pptr);
+
/*
- * If this was the last child of our parent, notify
- * parent, so in case he was wait(2)ing, he will
+ * Notify parent, so in case he was wait(2)ing or
+ * executing waitpid(2) with our pid, he will
* continue.
*/
- if (LIST_EMPTY(&pp->p_children))
- wakeup(pp);
+ wakeup(pp);
} else
mtx_unlock(&p->p_pptr->p_sigacts->ps_mtx);
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