1#!/bin/sh 2# 3# $NetBSD: rc.shutdown,v 1.10 2024/12/07 18:45:20 martin 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 22_rcshutdown_action="$1" 23set -- 24 25stty status '^T' 26 27# Set shell to ignore SIGINT, but not children; 28# shell catches SIGQUIT and returns to single user. 29# 30trap : INT 31trap "echo 'Shutdown interrupted.'; exit 1" QUIT 32 33# If requested, start a watchdog timer in the background which 34# will terminate rc.shutdown if rc.shutdown doesn't complete 35# within the specified time. 36# 37_rcshutdown_watchdog= 38if [ -n "$rcshutdown_timeout" ]; then 39 sleep $rcshutdown_timeout && ( 40 _msg="$rcshutdown_timeout second watchdog timeout expired. Shutdown terminated." 41 logger -t rc.shutdown "$_msg" 42 echo "$_msg" 43 date 44 kill -KILL $$ >/dev/null 2>&1 45 ) & 46 _rcshutdown_watchdog=$! 47fi 48 49 50# Determine the shutdown order of the rc.d scripts, 51# and perform the operation 52# 53scripts=$(for rcd in ${rc_directories:-/etc/rc.d}; do 54 test -d ${rcd} && echo ${rcd}/*; done) 55files=$(rcorder -k shutdown ${rcshutdown_rcorder_flags} ${scripts}) 56 57for _rc_elem in $(reverse_list $files); do 58 run_rc_script $_rc_elem stop 59done 60 61# 62# Run final local handlers (if any exist) 63# 64if [ -r /etc/rc.shutdown.final ]; then 65 set -- "$_rcshutdown_action" 66 . /etc/rc.shutdown.final 67fi 68 69 70# Terminate the background watchdog timer (if it is running) 71# 72if [ -n "$_rcshutdown_watchdog" ]; then 73 kill -TERM $_rcshutdown_watchdog >/dev/null 2>&1 74fi 75 76date 77exit 0 78