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|
#!/bin/sh
#
# How we handle suspend/hibernate is a bit complicated:
#
# If gnome-power-manager or klaptopdaemon are running, we send a fake key
# and that's it. The daemons may have policies that turn off suspend in
# response to suspend keys etc., so we don't want to do anything ourselves.
#
# If not, we follow the SUSPEND_METHODS setting.
#
#
# This script takes parameter "suspend" or "hibernate".
#
. /etc/default/acpi-support
. /usr/share/acpi-support/power-funcs
. /usr/share/acpi-support/device-funcs
. /usr/share/acpi-support/policy-funcs
. /usr/share/acpi-support/key-constants
DeviceConfig;
# The difference between suspend and hibernate
if [ "$1" = "suspend" ] ; then
KEY=$KEY_SLEEP
HIBERNATE_CMD=/usr/sbin/hibernate-ram
PM_UTILS_CMD=/usr/sbin/pm-suspend
DBUS_METHOD=Suspend
DBUS_PARAMS="int32:0"
elif [ "$1" = "hibernate" ] ; then
KEY=$KEY_SUSPEND
HIBERNATE_CMD=/usr/sbin/hibernate-disk
PM_UTILS_CMD=/usr/sbin/pm-hibernate
DBUS_METHOD=Hibernate
DBUS_PARAMS=
else
echo "'Usage: '$0' (suspend|hibernate)'"
fi
#
# Backward compatibility
#
# Backward compatibility for setting USE_HIBERNATE_PACKAGE
if [ "$SUSPEND_METHODS" = "" ] &&
[ "$USE_HIBERNATE_PACKAGE" = "true" ] &&
[ -x "$HIBERNATE_CMD" ] ; then
SUSPEND_METHODS="hibernate"
fi
# Backward compatibility for setups before SUSPEND_METHODS existed.
if [ "$SUSPEND_METHODS" = "" ] ; then
# Legacy configuration -- use the built-in legacy suspend support. We
# can NEVER change this explicitly, because it will break people's
# working suspend setups, especially ones that depend on custom scripts
# in /etc/acpi/suspend.d and /etc/acpi/resume.d.
SUSPEND_METHODS="acpi-support"
fi
#
# Just in case ...
#
sync
#
# Try the SUSPEND_METHODS in order.
#
for METHOD in $SUSPEND_METHODS; do
case $METHOD in
none)
exit
;;
dbus-pm)
if [ -x /usr/bin/dbus-send ] ; then
# Call the power management daemon (which, if it is
# running, we probably don't know about, since we send
# keys if we detect one running that we know of).
if /usr/bin/dbus-send --session \
--dest=org.freedesktop.PowerManagement \
--type=method_call \
--print-reply \
--reply-timeout=2000 \
/org/freedesktop/PowerManagement \
org.freedesktop.PowerManagement.$DBUS_METHOD ;
then
# The other side exists, we have access to it,
# and it received the message. It may have
# failed (I tested this: if pm-suspend returns
# exit code 1, then the return code of dbus-send
# is still 0 and you get no errors), but that
# doesn't matter: the first method in the list
# that we can access is the one that has to do
# it.
exit
fi
# We got a DBUS error, which means that the other side
# does not exist or we don't have access to it. We
# continue by trying the next option.
fi
;;
dbus-hal)
if [ -x /usr/bin/dbus-send ] ; then
# Call HAL directly.
if /usr/bin/dbus-send --system \
--dest=org.freedesktop.Hal \
--type=method_call \
--print-reply \
--reply-timeout=2000 \
/org/freedesktop/Hal/devices/computer \
org.freedesktop.Hal.Device.SystemPowerManagement.$DBUS_METHOD $DBUS_PARAMS ;
then
# The other side exists, we have access to it,
# and it received the message. It may have
# failed (I tested this: if pm-suspend returns
# exit code 1, then the return code of dbus-send
# is still 0 and you get no errors), but that
# doesn't matter: the first method in the list
# that we can access is the one that has to do
# it.
exit
fi
# We got a DBUS error, which means that the other side
# does not exist or we don't have access to it. We
# continue by trying the next option.
fi
;;
pm-utils)
if [ -x $PM_UTILS_CMD ] ; then
$PM_UTILS_CMD
exit
fi
;;
hibernate)
if [ -x $HIBERNATE_CMD ] ; then
$HIBERNATE_CMD
exit
fi
;;
acpi-support)
if [ "$1" = "hibernate" ] ; then
if [ x$ACPI_HIBERNATE != xtrue ]; then
exit;
fi
# Unset video posting - it's not needed for suspend to disk
unset POST_VIDEO
unset USE_DPMS
. /etc/acpi/prepare.sh
echo -n $HIBERNATE_MODE >/sys/power/disk
if [ -x /usr/sbin/s2disk ]; then
/usr/sbin/s2disk
else
echo -n "disk" >/sys/power/state
fi
. /etc/acpi/resume.sh
else # $1 = suspend
if [ x$ACPI_SLEEP != xtrue ]; then
exit;
fi
if [ x$LOCK_SCREEN = xtrue ]; then
if pidof xscreensaver > /dev/null; then
d=/tmp/.X11-unix
for x in $d/*; do
displaynum=${x#$d/X}
getXuser;
if [ x"$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
fi
exit
;;
esac
done
|
