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authorart <art@openbsd.org>2000-04-20 10:03:41 +0000
committerart <art@openbsd.org>2000-04-20 10:03:41 +0000
commitabe3a10852489c9ab16d32dc2902d399e40b7c2f (patch)
tree2bee50429ef242e7c1fee8c31ce6744f8d914816 /sys/kern/kern_exec.c
parentAdd /etc/resolv.conf.tail (diff)
downloadwireguard-openbsd-abe3a10852489c9ab16d32dc2902d399e40b7c2f.tar.xz
wireguard-openbsd-abe3a10852489c9ab16d32dc2902d399e40b7c2f.zip
Add a function "ktrsettracevnode", that changes the ktrace vnode for a process
in a correct way. Use it in all places where the vnode was changed. (most of the earlier code was incorrect and had races).
Diffstat (limited to 'sys/kern/kern_exec.c')
-rw-r--r--sys/kern/kern_exec.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
index 15ed8af28fe..b5de0c02c0d 100644
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kern_exec.c,v 1.41 2000/03/23 15:55:52 art Exp $ */
+/* $OpenBSD: kern_exec.c,v 1.42 2000/04/20 10:03:42 art Exp $ */
/* $NetBSD: kern_exec.c,v 1.75 1996/02/09 18:59:28 christos Exp $ */
/*-
@@ -497,8 +497,7 @@ sys_execve(p, v, retval)
*/
if (p->p_tracep && !(p->p_traceflag & KTRFAC_ROOT)) {
p->p_traceflag = 0;
- vrele(p->p_tracep);
- p->p_tracep = NULL;
+ ktrsettracevnode(p, NULL);
}
#endif
p->p_ucred = crcopy(cred);