#!/bin/bash

. /etc/default/acpi-support
. /usr/share/acpi-support/power-funcs
. /usr/share/acpi-support/device-funcs
. /usr/share/acpi-support/policy-funcs

DeviceConfig;

if [ x$ACPI_SLEEP != xtrue ] && [ x$1 != xforce ]; then
  exit;
fi

# If gnome-power-manager or klaptopdaemon are running, let them handle policy
if [ x$1 != xforce ] && [ x$1 != xsleep ] && [ `CheckPolicy` = 0 ]; then
    exit;
fi

if [ x$LOCK_SCREEN = xtrue ]; then
    if pidof xscreensaver > /dev/null; then 
	for x in /tmp/.X11-unix/*; do
	    displaynum=`echo $x | sed s#/tmp/.X11-unix/X##`
	    getXuser;
	    if [ x"$XAUTHORITY" != x"" ]; then	    
		export DISPLAY=":$displaynum"
		. /usr/share/acpi-support/screenblank
	    fi
	done
    fi
fi

# Generic preparation code
. /etc/acpi/prepare.sh

if [ x$DISABLE_DMA = xtrue ] && [ -b /dev/hda ]; then
  hdparm -d 0 /dev/hda
fi

echo -n $ACPI_SLEEP_MODE >/sys/power/state

if [ x$RESET_DRIVE = xtrue ] && [ -b /dev/hda ]; then
    hdparm -w /dev/hda
    hdparm -C /dev/hda
    hdparm -C /dev/hda
    hdparm -C /dev/hda
    hdparm -d 1 /dev/hda
fi

if [ x$DISABLE_DMA = xtrue ] && [ -b /dev/hda ]; then
  hdparm -d 1 /dev/hda
fi

# Generic wakeup code
. /etc/acpi/resume.sh