xref: /freebsd/libexec/rc/rc.d/watchdogd (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1#!/bin/sh
2
3# Copyright (c) 2003  Sean M. Kelly <smkelly@FreeBSD.org>
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 REGENTS 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 REGENTS 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#
28
29# PROVIDE: watchdogd
30# REQUIRE: FILESYSTEMS syslogd
31# KEYWORD: nojail shutdown
32
33. /etc/rc.subr
34
35name="watchdogd"
36desc="Watchdog daemon"
37rcvar="watchdogd_enable"
38command="/usr/sbin/${name}"
39pidfile="/var/run/${name}.pid"
40start_precmd="watchdogd_prestart"
41stop_precmd="watchdogd_prestop"
42stop_postcmd="watchdogd_poststop"
43watchdog_command="/usr/sbin/watchdog"
44
45watchdogd_prestart()
46{
47	if [ -n "${watchdogd_timeout}" ] ; then
48		rc_flags="${rc_flags} -t ${watchdogd_timeout}"
49	fi
50	if [ -n "$watchdogd_shutdown_timeout" ] ; then
51		rc_flags="${rc_flags} -x ${watchdogd_shutdown_timeout}"
52	fi
53	return 0
54}
55
56watchdogd_prestop()
57{
58	sig_stop="${watchdogd_sig_stop:-TERM}"
59}
60
61watchdogd_poststop()
62{
63	if [ ${watchdogd_shutdown_timeout:-0} -gt 0 ] ; then
64		case "${rc_shutdown}" in
65		"reboot")
66			info "watchdog timer is set to" \
67				${watchdogd_shutdown_timeout} "before shutdown"
68			return 0
69			;;
70		"single")
71			info "watchdog timer is disabled before going to" \
72				"single user mode"
73			${watchdog_command} -t 0
74			;;
75		"")
76			info "watchdog timer is disabled after administrative" \
77				"${name} stop"
78			${watchdog_command} -t 0
79			;;
80		*)
81			warn "unknown shutdown mode '${rc_shutdown}'"
82			warn "watchdog timer is set to ${watchdogd_shutdown_timeout}"
83			return 0
84			;;
85		esac
86	fi
87	return 0
88}
89
90load_rc_config $name
91run_rc_command "$1"
92