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rcacpid
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rcacpid
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#! /bin/bash
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# Copyright (c) 2002 SuSE Linux AG, Nuernberg, Germany.
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# All rights reserved.
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#
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# Authors: Christian Zoz <zoz@suse.de>
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# Timo Hoenig <thoenig@suse.de>
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#
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# /etc/init.d/acpid
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# and its symbolic link
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# /usr/sbin/rcacpid
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#
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# LSB compliant service control script; see http://www.linuxbase.org/spec/
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#
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### BEGIN INIT INFO
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# Provides: acpid
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# Required-Start:
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# X-UnitedLinux-Should-Start:
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# Required-Stop:
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# X-UnitedLinux-Should-Stop:
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# Default-Start: 2 3 5
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# Default-Stop: 0 1 6
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# Short-Description: Listen and dispatch ACPI events from the kernel
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# Description: acpid reads events from /proc/acpi/event and dispatches
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# them (by SuSE default) to other "users" like powersaved, HAL and IAL.
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# Actions for those events are (by SUSE default) configured in the
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# powersaved configuration.
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# Additionally this start script loads all needed modules.
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### END INIT INFO
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# Check for missing binaries (stale symlinks should not happen)
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ACPID_BIN=/sbin/acpid
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test -x $ACPID_BIN || exit 5
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# Shell functions sourced from /etc/rc.status:
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# rc_check check and set local and overall rc status
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# rc_status check and set local and overall rc status
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# rc_status -v ditto but be verbose in local rc status
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# rc_status -v -r ditto and clear the local rc status
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# rc_status -s display "skipped" and exit with status 3
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# rc_status -u display "unused" and exit with status 3
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# rc_failed set local and overall rc status to failed
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# rc_failed <num> set local and overall rc status to <num>
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# rc_reset clear local rc status (overall remains)
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# rc_exit exit appropriate to overall rc status
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# rc_active checks whether a service is activated by symlinks
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# rc_splash arg sets the boot splash screen to arg (if active)
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. /etc/rc.status
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# Reset status of this service
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rc_reset
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# Return values acc. to LSB for all commands but status:
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# 0 - success
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# 1 - generic or unspecified error
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# 2 - invalid or excess argument(s)
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# 3 - unimplemented feature (e.g. "reload")
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# 4 - user had insufficient privileges
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# 5 - program is not installed
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# 6 - program is not configured
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# 7 - program is not running
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# 8--199 - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
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#
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# Note that starting an already running service, stopping
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# or restarting a not-running service as well as the restart
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# with force-reload (in case signaling is not supported) are
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# considered a success.
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ACPI_MODULES=""
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DEFAULT_ACPI_MODULES="ac battery button fan processor thermal"
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ACPI_LAPTOP_MODULES_PROBE="asus_acpi ibm_acpi toshiba_acpi sony_acpi pcc_acpi"
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ACPI_LAPTOP_MODULES_FILE="/var/lib/acpi/laptop_modules"
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ARCH=`uname -i`
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case $ARCH in
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ia64) DEFAULT_ACPI_MODULES="button fan processor thermal"
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ACPI_LAPTOP_MODULES_PROBE=""
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# avoid even occassional probing of laptop modules!
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ACPI_LAPTOP_MODULES_USER="NONE"
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;;
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esac
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[ -f /etc/sysconfig/powersave/common ] && . /etc/sysconfig/powersave/common
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[ -f /etc/sysconfig/acpi ] && . /etc/sysconfig/acpi
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[ -f /etc/sysconfig/hardware/config ] && . /etc/sysconfig/hardware/config
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[ -f /etc/sysconfig/powersave/cpufreq ] && . /etc/sysconfig/powersave/cpufreq
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case "$1" in
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start)
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if [ ! -d /proc/acpi ] ; then
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echo -n "acpid: no ACPI support in kernel"
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rc_status -s
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rc_exit
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fi
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echo -n "acpid: loading ACPI modules ( "
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if [ "$ACPI_MODULES" != "NONE" ]; then
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# load ACPI modules
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for m in ${ACPI_MODULES:-$DEFAULT_ACPI_MODULES}; do
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grep -wq $m /proc/modules || { modprobe -s $m && echo -n "$m " || rc_status; }
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done
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fi
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echo -n ") "
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rc_status -v
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if [ -n "$ACPI_LAPTOP_MODULES_USER" ]; then
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if [ "$ACPI_LAPTOP_MODULES_USER" != "NONE" ]; then
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echo -n "acpid: loading ACPI laptop modules ( "
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# Load modules defined by user
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for m in ${ACPI_LAPTOP_MODULES_USER}; do
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grep -wq $m /proc/modules || { modprobe -s $m && echo -n "$m " || rc_status; }
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done
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echo -n ") "
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rc_status -v
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fi
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else
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if [ "$LOAD_UNSUPPORTED_MODULES_AUTOMATICALLY" != yes ] ; then
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echo "acpid: will skip unsupported modules"
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MODPROBE_OPTS=--skip-unsupported
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else
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echo "acpid: will not skip unsupported modules"
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fi
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if [ /boot/vmlinuz -ot "$ACPI_LAPTOP_MODULES_FILE" ]; then
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# We do respect LOAD_UNSUPPORTED_MODULES_AUTOMATICALLY for probed modules.
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echo -n "acpid: loading ACPI laptop modules ( "
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# Load modules defined by system probe
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while read m; do
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grep -wq $m /proc/modules || { modprobe $MODPROBE_OPTS -s $m && echo -n "$m " || rc_status; }
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done < $ACPI_LAPTOP_MODULES_FILE
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echo -n ") "
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rc_status -v
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else
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# First run, or kernel has been updated. We have to probe which
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# modules load successfully. For this, we do respect
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# LOAD_UNSUPPORTED_MODULES_AUTOMATICALLY.
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echo "acpid: probing laptop ACPI modules "
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touch "$ACPI_LAPTOP_MODULES_FILE"
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for m in $ACPI_LAPTOP_MODULES_PROBE; do
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if modprobe $MODPROBE_OPTS -s $m; then
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# pcc_acpi and sony_acpi can always be loaded.
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# remove them if the system does not support them.
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case $m in
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sony_acpi)
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if [ ! -r /proc/acpi/sony/brightness ] ; then
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grep -wq $m /proc/modules && rmmod sony_acpi;
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continue
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fi ;;
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pcc_acpi)
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if [ ! -r /proc/acpi/panasonic ] ; then
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grep -wq $m /proc/modules && rmmod pcc_acpi;
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continue
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fi ;;
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asus_acpi)
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if [ ! -r /proc/acpi/asus ] ; then
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grep -wq $m /proc/modules && rmmod asus_acpi;
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continue
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fi ;;
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esac
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echo $m >> $ACPI_LAPTOP_MODULES_FILE
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fi
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done
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echo -n "acpid: added "
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while read m; do
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echo -n "$m "
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done < $ACPI_LAPTOP_MODULES_FILE
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echo -n "to $ACPI_LAPTOP_MODULES_FILE"
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rc_status -v;
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fi
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fi
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echo -n "Starting acpid "
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startproc $ACPID_BIN
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rc_status -v
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;;
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stop)
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echo -n "Shutting down acpid "
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killproc -TERM $ACPID_BIN
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rc_status -v
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;;
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try-restart)
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$0 status
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if test $? = 0; then
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$0 restart
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else
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rc_reset # Not running is not a failure.
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fi
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rc_status
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;;
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restart)
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$0 stop
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$0 start
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rc_status
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;;
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force-reload|reload)
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echo -n "Reload service acpid "
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killproc -HUP $ACPID_BIN
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rc_status -v
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;;
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status)
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echo -n "Checking for service acpid "
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PID=`checkproc -v $ACPID_BIN`
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if rc_status ; then
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case `cat /proc/$PID/cmdline` in *events.ignore) rc_failed 3; esac
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fi
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rc_status -v
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;;
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probe)
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test $ACPID_CONFIG -nt /var/run/acpid.pid && echo restart
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;;
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*)
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echo "Usage: $0" \
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"{start|stop|status|try-restart|restart|force-reload|reload|probe}"
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exit 1
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;;
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esac
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rc_exit
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