From 92d6fa4fe7de6a4726dc99bd8638f451386b1049 Mon Sep 17 00:00:00 2001
From: imp <imp@FreeBSD.org>
Date: Mon, 10 Jan 2000 08:00:58 +0000
Subject: Panic if proc0 hasn't been created and we try to call kthread_create.
 This prevents a more mysterious crash later.

XXX The long term solution is defer creation of these things until
XXX proc0 lives
---
 sys/kern/kern_kthread.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'sys/kern/kern_kthread.c')

diff --git a/sys/kern/kern_kthread.c b/sys/kern/kern_kthread.c
index 5efe90c..1f805e7 100644
--- a/sys/kern/kern_kthread.c
+++ b/sys/kern/kern_kthread.c
@@ -30,6 +30,7 @@
 #include <sys/systm.h>
 #include <sys/proc.h>
 #include <sys/kthread.h>
+#include <sys/resourcevar.h>
 #include <sys/signalvar.h>
 #include <sys/unistd.h>
 #include <sys/wait.h>
@@ -68,6 +69,10 @@ kthread_create(void (*func)(void *), void *arg,
 	va_list ap;
 	struct proc *p2;
 
+	if (!proc0.p_stats || proc0.p_stats->p_start.tv_sec == 0) {
+		panic("kthread_create called too soon");
+	}
+
 	error = fork1(&proc0, RFMEM | RFFDG | RFPROC, &p2);
 	if (error)
 		return error;
-- 
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