From 54bc7f013030e60ef0e9fa59e04552941cc2eca0 Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Fri, 12 Mar 1999 17:49:38 +0000
Subject: in scheduler, bias parents for child cpu usage; ross@ghs.com

---
 sys/kern/kern_exit.c | 6 +++++-
 sys/kern/kern_fork.c | 9 ++++++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

(limited to 'sys')

diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c
index 245e6c62015..e12833d2947 100644
--- a/sys/kern/kern_exit.c
+++ b/sys/kern/kern_exit.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kern_exit.c,v 1.16 1999/03/02 22:19:09 niklas Exp $	*/
+/*	$OpenBSD: kern_exit.c,v 1.17 1999/03/12 17:49:37 deraadt Exp $	*/
 /*	$NetBSD: kern_exit.c,v 1.39 1996/04/22 01:38:25 christos Exp $	*/
 
 /*
@@ -368,6 +368,10 @@ loop:
 				wakeup((caddr_t)t);
 				return (0);
 			}
+
+			/* Charge us for our child's sins */
+			curproc->p_estcpu = min(curproc->p_estcpu +
+			    p->p_estcpu, UCHAR_MAX);
 			p->p_xstat = 0;
 			ruadd(&q->p_stats->p_cru, p->p_ru);
 			FREE(p->p_ru, M_ZOMBIE);
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c
index 55cf72ce782..75e138eb8ca 100644
--- a/sys/kern/kern_fork.c
+++ b/sys/kern/kern_fork.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kern_fork.c,v 1.19 1999/03/02 22:19:08 niklas Exp $	*/
+/*	$OpenBSD: kern_fork.c,v 1.20 1999/03/12 17:49:37 deraadt Exp $	*/
 /*	$NetBSD: kern_fork.c,v 1.29 1996/02/09 18:59:34 christos Exp $	*/
 
 /*
@@ -297,6 +297,13 @@ again:
 	}
 #endif
 
+	/*
+	 * set priority of child to be that of parent
+	 * XXX should move p_estcpu into the region of struct proc which gets
+	 * copied.
+	 */
+	p2->p_estcpu = p1->p_estcpu;
+
 	/*
 	 * This begins the section where we must prevent the parent
 	 * from being swapped.
-- 
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