Initial import from FreeBSD RELENG_4:
[dragonfly.git] / etc / rc.sysctl
CommitLineData
984263bc
MD
1#!/bin/sh
2#
3# Copyright (c) 1999 Warner Losh
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10# notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12# notice, this list of conditions and the following disclaimer in the
13# documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD: src/etc/rc.sysctl,v 1.4.4.6 2002/04/15 00:44:13 dougb Exp $
28#
29
30#
31# Read in /etc/sysctl.conf and set things accordingly
32#
33
34if [ -f /etc/sysctl.conf ]; then
35 while read var comments
36 do
37 case ${var} in
38 \#*|'')
39 ;;
40 *)
41 mib=${var%=*}
42 val=${var#*=}
43
44 if current_value=`sysctl -n ${mib} 2>/dev/null`; then
45 case ${current_value} in
46 ${val}) ;;
47 *)
48 sysctl ${var}
49 ;;
50 esac
51 else
52 case ${1} in
53 last)
54 echo "Warning: sysctl ${mib} does not exist"
55 ;;
56 esac
57 fi
58 ;;
59 esac
60 done < /etc/sysctl.conf
61fi