1#!/bin/sh 2# 3# $NetBSD: sysctl,v 1.12 2002/04/29 12:10:23 lukem Exp $ 4# $FreeBSD: src/etc/rc.d/sysctl,v 1.12 2003/04/24 08:20:47 mtm Exp $ 5# 6 7# PROVIDE: sysctl 8# REQUIRE: root modules 9# BEFORE: DAEMON 10 11. /etc/rc.subr 12 13name="sysctl" 14required_files="/etc/sysctl.conf" 15stop_cmd=":" 16start_cmd="sysctl_start" 17reload_cmd="sysctl_start" 18lastload_cmd="sysctl_start last" 19extra_commands="reload lastload" 20 21sysctl_start() 22{ 23 local config extra mib val old_val 24 25 if [ ! -f "/etc/sysctl.conf" ]; then 26 return 27 fi 28 29 # NOTE: Do not miss the last line when it does not end with a LF. 30 while read config extra || [ -n "${config}" ]; do 31 case ${config} in 32 \#*|'') 33 continue 34 ;; 35 *[^=]=[^=]*) 36 mib=${config%=*} 37 val=${config#*=} 38 ;; 39 *) 40 warn "invalid syntax: ${config}" 41 continue 42 ;; 43 esac 44 45 if old_val=$(${SYSCTL_N} -q ${mib}); then 46 debug "sysctl '${mib}': '${old_val}' -> '${val}'" 47 if [ "${old_val}" != "${val}" ]; then 48 ${SYSCTL_W} ${mib}=${val} 49 fi 50 elif [ "$1" = "last" ]; then 51 warn "sysctl '${mib}' does not exist." 52 fi 53 done < /etc/sysctl.conf 54} 55 56load_rc_config $name 57run_rc_command "$1" 58