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Currently, if a process is exiting and its parent has indicated no intent 

of reaping the process (nor any other children), the process wil get
reparented to init.  Since the state of the exiting process at this point
is SDEAD, proc_reparent() will not update either the old or new parent's
p_nstopchild counters.

This change causes both old and new parents to be properly updated.

Fixes PR kern/50300

Pullups will be requested for:

       NetBSD-7, -6, -6-0, -6-1, -5, -5-0, -5-1, and -5-2
This commit is contained in:
pgoyette 2015-10-13 00:27:19 +00:00
parent 01f3fada24
commit ad146809be
1 changed files with 3 additions and 3 deletions
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6
sys/kern/kern_exit.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_exit.c,v 1.245 2015/10/02 16:54:15 christos Exp $ */
/* $NetBSD: kern_exit.c,v 1.246 2015/10/13 00:27:19 pgoyette Exp $ */
/*-
* Copyright (c) 1998, 1999, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_exit.c,v 1.245 2015/10/02 16:54:15 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_exit.c,v 1.246 2015/10/13 00:27:19 pgoyette Exp $");
#include "opt_ktrace.h"
#include "opt_dtrace.h"
@ -959,7 +959,7 @@ proc_reparent(struct proc *child, struct proc *parent)
if (child->p_pptr == parent)
return;
if (child->p_stat == SZOMB ||
if (child->p_stat == SZOMB || child->p_stat == SDEAD ||
(child->p_stat == SSTOP && !child->p_waited)) {
child->p_pptr->p_nstopchild--;
parent->p_nstopchild++;