Module Name: src
Committed By: jmcneill
Date: Thu Dec 15 00:05:18 UTC 2011
Modified Files:
src/sys/kern: kern_lwp.c
Log Message:
In lwp_create, copy l_sigstk from the template. Previously sigaltstack wasn't
inherited across fork (but SA_ONSTACK handlers was), causing the child
process to crash when the handler is invoked. ok martin@, christos@
To generate a diff of this commit:
cvs rdiff -u -r1.164 -r1.165 src/sys/kern/kern_lwp.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/kern_lwp.c
diff -u src/sys/kern/kern_lwp.c:1.164 src/sys/kern/kern_lwp.c:1.165
--- src/sys/kern/kern_lwp.c:1.164 Wed Oct 19 10:51:47 2011
+++ src/sys/kern/kern_lwp.c Thu Dec 15 00:05:18 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_lwp.c,v 1.164 2011/10/19 10:51:47 yamt Exp $ */
+/* $NetBSD: kern_lwp.c,v 1.165 2011/12/15 00:05:18 jmcneill Exp $ */
/*-
* Copyright (c) 2001, 2006, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -211,7 +211,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.164 2011/10/19 10:51:47 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.165 2011/12/15 00:05:18 jmcneill Exp $");
#include "opt_ddb.h"
#include "opt_lockdebug.h"
@@ -792,6 +792,7 @@ lwp_create(lwp_t *l1, proc_t *p2, vaddr_
} else
l2->l_prflag = 0;
+ l2->l_sigstk = l1->l_sigstk;
l2->l_sigmask = l1->l_sigmask;
CIRCLEQ_INIT(&l2->l_sigpend.sp_info);
sigemptyset(&l2->l_sigpend.sp_set);
