freebsd-src/libexec/rc/rc.shutdown

#!/bin/sh
#
# Copyright (c) 1997  Ollivier Robert
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#

# Site-specific closing actions for daemons run by init on shutdown,
# or before going single-user from multi-user.
# Output and errors are directed to console by init, and the
# console is the controlling terminal.

stty status '^T' 2> /dev/null

# Set shell to ignore SIGINT (2), but not children;
# shell catches SIGQUIT (3) and returns to single user after fsck.
trap : 2
trap : 3	# shouldn't be needed

HOME=/
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
export HOME PATH

rc_shutdown=${1:-"unspecified"}

. /etc/rc.subr

load_rc_config

# reverse_list list
#	print the list in reverse order
#
reverse_list()
{
	_revlist=
	for _revfile in $*; do
		_revlist="$_revfile${script_name_sep}$_revlist"
	done
	echo $_revlist
}

# If requested, start a watchdog timer in the background which
# will terminate rc.shutdown if rc.shutdown doesn't complete
# within the specified time.
#
_rcshutdown_watchdog=
if [ -n "$rcshutdown_timeout" ]; then
	debug "Initiating watchdog timer."
	sleep $rcshutdown_timeout && (
		_msg="$rcshutdown_timeout second watchdog"
		_msg="$_msg timeout expired. Shutdown terminated."
		logger -t rc.shutdown "$_msg"
		echo
		echo "$_msg"
		date
		kill -KILL $$ >/dev/null 2>&1
	) &
	_rcshutdown_watchdog=$!
fi

# Determine the shutdown order of the /etc/rc.d scripts,
# and perform the operation
#
rcorder_opts="-k shutdown"
if [ `/sbin/sysctl -n security.jail.jailed` -eq 1 ]; then
	rcorder_opts="$rcorder_opts -s nojail"
	if [ `/sbin/sysctl -n security.jail.vnet` -ne 1 ]; then
		rcorder_opts="$rcorder_opts -s nojailvnet"
	fi
fi

case ${local_startup} in
[Nn][Oo] | '') ;;
*)     find_local_scripts_new ;;
esac

files=`rcorder ${rcorder_opts} /etc/rc.d/* ${local_rc} 2>/dev/null`

for _rc_elem in `reverse_list $files`; do
	debug "run_rc_script $_rc_elem faststop"
	run_rc_script $_rc_elem faststop
done

# Terminate the background watchdog timer (if it is running)
#
if [ -n "$_rcshutdown_watchdog" ]; then
	pkill -TERM -P $_rcshutdown_watchdog >/dev/null 2>&1
fi

# Insert other shutdown procedures here


echo '.'
exit 0