[src/trunk]: src/sys/compat/netbsd32 need to lock the process.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4ad9e8699ab6
branches:  trunk
changeset: 326290:4ad9e8699ab6
user:      christos <christos%NetBSD.org@localhost>
date:      Fri Jan 24 22:44:00 2014 +0000

description:
need to lock the process.

diffstat:

 sys/compat/netbsd32/netbsd32_compat_13.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (33 lines):

diff -r 98070d18f0e6 -r 4ad9e8699ab6 sys/compat/netbsd32/netbsd32_compat_13.c
--- a/sys/compat/netbsd32/netbsd32_compat_13.c  Fri Jan 24 22:11:46 2014 +0000
+++ b/sys/compat/netbsd32/netbsd32_compat_13.c  Fri Jan 24 22:44:00 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: netbsd32_compat_13.c,v 1.25 2008/05/29 14:51:26 mrg Exp $      */
+/*     $NetBSD: netbsd32_compat_13.c,v 1.26 2014/01/24 22:44:00 christos Exp $ */
 
 /*
  * Copyright (c) 1998, 2001 Matthew R. Green
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_13.c,v 1.25 2008/05/29 14:51:26 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_13.c,v 1.26 2014/01/24 22:44:00 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -62,11 +62,14 @@
        } */
        sigset13_t ness, oess;
        sigset_t nbss, obss;
+       struct proc *p = l->l_proc;
        int error;
 
        ness = SCARG(uap, mask);
        native_sigset13_to_sigset(&ness, &nbss);
+       mutex_enter(p->p_lock);
        error = sigprocmask1(l, SCARG(uap, how), &nbss, &obss);
+       mutex_exit(p->p_lock);
        if (error)
                return (error);
        native_sigset_to_sigset13(&obss, &oess);