Module Name: src
Committed By: christos
Date: Wed Jul 18 20:30:07 UTC 2012
Modified Files:
src/sys/kern: sys_sig.c
Log Message:
>From Roger Pau Monne: kill(2) called for a zombie process should return 0,
according to:
http://pubs.opengroup.org/onlinepubs/9699919799/functions/kill.html
To generate a diff of this commit:
cvs rdiff -u -r1.37 -r1.38 src/sys/kern/sys_sig.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/sys_sig.c
diff -u src/sys/kern/sys_sig.c:1.37 src/sys/kern/sys_sig.c:1.38
--- src/sys/kern/sys_sig.c:1.37 Sun Feb 19 16:06:57 2012
+++ src/sys/kern/sys_sig.c Wed Jul 18 16:30:07 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: sys_sig.c,v 1.37 2012/02/19 21:06:57 rmind Exp $ */
+/* $NetBSD: sys_sig.c,v 1.38 2012/07/18 20:30:07 christos Exp $ */
/*-
* Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sys_sig.c,v 1.37 2012/02/19 21:06:57 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sys_sig.c,v 1.38 2012/07/18 20:30:07 christos Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@@ -240,10 +240,11 @@ kill1(struct lwp *l, pid_t pid, ksiginfo
if (pid > 0) {
/* kill single process */
mutex_enter(proc_lock);
- p = proc_find(pid);
- if (p == NULL) {
+ p = proc_find_raw(pid);
+ if (p == NULL || (p->p_stat != SACTIVE && p->p_stat != SSTOP)) {
mutex_exit(proc_lock);
- return ESRCH;
+ /* IEEE Std 1003.1-2001: return success for zombies */
+ return p ? 0 : ESRCH;
}
mutex_enter(p->p_lock);
error = kauth_authorize_process(l->l_cred,
