Author: mjg
Date: Tue Jun 9 15:17:23 2020
New Revision: 361967
URL: https://svnweb.freebsd.org/changeset/base/361967
Log:
Assert on pg_jobc state.
Stolen from NetBSD.
Modified:
head/sys/kern/kern_proc.c
Modified: head/sys/kern/kern_proc.c
==============================================================================
--- head/sys/kern/kern_proc.c Tue Jun 9 14:20:16 2020 (r361966)
+++ head/sys/kern/kern_proc.c Tue Jun 9 15:17:23 2020 (r361967)
@@ -751,9 +751,11 @@ pgadjustjobc(struct pgrp *pgrp, int entering)
{
PGRP_LOCK(pgrp);
- if (entering)
+ if (entering) {
+ MPASS(pgrp->pg_jobc >= 0);
pgrp->pg_jobc++;
- else {
+ } else {
+ MPASS(pgrp->pg_jobc > 0);
--pgrp->pg_jobc;
if (pgrp->pg_jobc == 0)
orphanpg(pgrp);
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