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