rc.suspend revision 211291
1#!/bin/sh
2#
3# Copyright (c) 1999  Mitsuru IWASAKI
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 AUTHOR 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 AUTHOR 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# $FreeBSD: head/etc/rc.suspend 211291 2010-08-13 21:23:13Z jkim $
28#
29
30# sample run command file for APM Suspend Event
31
32if [ $# -ne 2 ]; then
33	echo "Usage: $0 [apm|acpi] [standby,suspend|1-4]"
34	exit 1
35fi
36
37subsystem=$1
38state=$2
39
40if [ -r /var/run/rc.suspend.pid ]; then
41	exit 1
42fi
43
44echo $$ 2> /dev/null > /var/run/rc.suspend.pid
45
46_t=`/sbin/sysctl -n kern.timecounter.hardware 2> /dev/null`
47case ${_t#ACPI-} in
48fast|safe)
49	/bin/rm -f /var/run/rc.suspend.tch
50	;;
51*)
52	{ /sbin/sysctl -n kern.timecounter.hardware=ACPI-fast || \
53	    /sbin/sysctl -n kern.timecounter.hardware=ACPI-safe; } \
54	    > /dev/null 2>&1 && echo $_t > /var/run/rc.suspend.tch
55	;;
56esac
57
58# If you have troubles on suspending with PC-CARD modem, try this.
59# See also contrib/pccardq.c (Only for PAO users).
60# pccardq | awk -F '~' '$5 == "filled" && $4 ~ /uart/ \
61#	{ printf("pccardc power %d 0", $1); }' | sh
62
63# If a device driver has problems suspending, try unloading it before
64# suspend and reloading it on resume.  Example:
65# kldunload usb
66
67/usr/bin/logger -t $subsystem suspend at `/bin/date +'%Y%m%d %H:%M:%S'`
68/bin/sync && /bin/sync && /bin/sync
69/bin/sleep 3
70
71/bin/rm -f /var/run/rc.suspend.pid
72if [ $subsystem = "apm" ]; then
73	/usr/sbin/zzz
74else
75	# Notify the kernel to continue the suspend process
76	/usr/sbin/acpiconf -k 0
77fi
78
79exit 0
80