Author: kib
Date: Mon Dec 26 10:16:05 2016
New Revision: 310585
URL: https://svnweb.freebsd.org/changeset/base/310585
Log:
MFC r309886:
When a zombie gets reparented due to the parent exit, send SIGCHLD to
the reaper.
Modified:
stable/10/sys/kern/kern_exit.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/kern/kern_exit.c
==============================================================================
--- stable/10/sys/kern/kern_exit.c Mon Dec 26 10:13:53 2016
(r310584)
+++ stable/10/sys/kern/kern_exit.c Mon Dec 26 10:16:05 2016
(r310585)
@@ -499,6 +499,11 @@ exit1(struct thread *td, int rv)
if (!(q->p_flag & P_TRACED)) {
proc_reparent(q, q->p_reaper);
+ if (q->p_state == PRS_ZOMBIE) {
+ PROC_LOCK(q->p_reaper);
+ pksignal(q->p_reaper, SIGCHLD, q->p_ksi);
+ PROC_UNLOCK(q->p_reaper);
+ }
} else {
/*
* Traced processes are killed since their existence
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