From 7c5cd82d2e510a5658b6edc44eb83a4927ab8a2e Mon Sep 17 00:00:00 2001
From: jhb <jhb@FreeBSD.org>
Date: Wed, 7 Mar 2001 02:50:09 +0000
Subject: [PATCH] Lock initproc when we send SIGINT to init during shutdown.

---
 sys/kern/kern_shutdown.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/kern/kern_shutdown.c b/sys/kern/kern_shutdown.c
index f2190d02f3a8..637d01c0a263 100644
--- a/sys/kern/kern_shutdown.c
+++ b/sys/kern/kern_shutdown.c
@@ -157,7 +157,9 @@ shutdown_nice(int howto)
 	
 	/* Send a signal to init(8) and have it shutdown the world */
 	if (initproc != NULL) {
+		PROC_LOCK(initproc);
 		psignal(initproc, SIGINT);
+		PROC_UNLOCK(initproc);
 	} else {
 		/* No init(8) running, so simply reboot */
 		boot(RB_NOSYNC);