[src/trunk]: src/etc/rc.d Securelevel might not be present, properly complain...

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

details:   https://anonhg.NetBSD.org/src/rev/78c45358a959
branches:  trunk
changeset: 750386:78c45358a959
user:      elad <elad%NetBSD.org@localhost>
date:      Tue Dec 29 17:06:10 2009 +0000

description:
Securelevel might not be present, properly complain instead of printing
error messages from sysctl(8).

diffstat:

 etc/rc.d/securelevel |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (25 lines):

diff -r 4f2199f7c5d7 -r 78c45358a959 etc/rc.d/securelevel
--- a/etc/rc.d/securelevel      Tue Dec 29 17:05:58 2009 +0000
+++ b/etc/rc.d/securelevel      Tue Dec 29 17:06:10 2009 +0000
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: securelevel,v 1.7 2008/11/12 12:35:52 ad Exp $
+# $NetBSD: securelevel,v 1.8 2009/12/29 17:06:10 elad Exp $
 #
 
 # PROVIDE: securelevel
@@ -19,7 +19,12 @@
        #       it is 0, change it to 1 here, before we start daemons
        #       or login services.
        #
-       osecurelevel=$(sysctl -n kern.securelevel)
+       osecurelevel=$(sysctl -n kern.securelevel 2>&-)
+       if [ $? != 0 ]; then
+               echo "Can't set securelevel. (kern.securelevel sysctl not present.)"
+               exit 1
+       fi
+
        if [ -n "$securelevel" -a "$securelevel" != "$osecurelevel" ]; then
                if [ "$securelevel" -lt "$osecurelevel" ]; then
                        echo "Can't lower securelevel."