1#!/bin/sh 2# 3# $NetBSD: rc.shutdown,v 1.9 2012/06/25 07:22:45 jnemeth Exp $ 4# 5# rc.shutdown -- 6# Run the scripts in /etc/rc.d with reverse rcorder. 7 8# System shutdown script run by shutdown(8) at system shutdown time. 9# Note that halt(8) and reboot(8) do NOT invoke this script. 10 11export HOME=/ 12export PATH=/sbin:/bin:/usr/sbin:/usr/bin 13 14. /etc/rc.subr 15. /etc/rc.conf 16 17if ! checkyesno do_rcshutdown; then 18 echo "Skipping shutdown hooks." 19 exit 0 20fi 21 22stty status '^T' 23 24# Set shell to ignore SIGINT, but not children; 25# shell catches SIGQUIT and returns to single user. 26# 27trap : INT 28trap "echo 'Shutdown interrupted.'; exit 1" QUIT 29 30# If requested, start a watchdog timer in the background which 31# will terminate rc.shutdown if rc.shutdown doesn't complete 32# within the specified time. 33# 34_rcshutdown_watchdog= 35if [ -n "$rcshutdown_timeout" ]; then 36 sleep $rcshutdown_timeout && ( 37 _msg="$rcshutdown_timeout second watchdog timeout expired. Shutdown terminated." 38 logger -t rc.shutdown "$_msg" 39 echo "$_msg" 40 date 41 kill -KILL $$ >/dev/null 2>&1 42 ) & 43 _rcshutdown_watchdog=$! 44fi 45 46 47# Determine the shutdown order of the rc.d scripts, 48# and perform the operation 49# 50scripts=$(for rcd in ${rc_directories:-/etc/rc.d}; do 51 test -d ${rcd} && echo ${rcd}/*; done) 52files=$(rcorder -k shutdown ${rcshutdown_rcorder_flags} ${scripts}) 53 54for _rc_elem in $(reverse_list $files); do 55 run_rc_script $_rc_elem stop 56done 57 58 59# Terminate the background watchdog timer (if it is running) 60# 61if [ -n "$_rcshutdown_watchdog" ]; then 62 kill -TERM $_rcshutdown_watchdog >/dev/null 2>&1 63fi 64 65date 66exit 0 67