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#!/bin/bash
. /etc/rc.d/init.d/functions
# default values go here
HIBERNATE_RESUME_POST_VIDEO=no
SUSPEND_MODULES=""
[ -f /etc/pm/config ] && . /etc/pm/config
# export them all here
export HIBERNATE_RESUME_POST_VIDEO
export SUSPEND_MODULES
take_suspend_lock()
{
VT=$(/usr/bin/fgconsole)
chvt 63
if [ -f /.suspended ]; then
pid=$(cat /.suspended)
if [ -d /proc/$pid ]; then
return 1
fi
fi
echo "$$" > /.suspended
rm -f /var/run/pm-suspend
touch /var/run/pm-suspend
return 0
}
remove_suspend_lock()
{
rm -f /var/run/pm-suspend
chvt $VT
openvt -- sh -c "usleep $1 ; rm -f /.suspended >/dev/null 2>&1 0<&1" >/dev/null 2>&1 0<&1 &
}
run_hooks()
{
[ -z "$1" ] && return 0
[ -f /var/run/pm-suspend ] && . /var/run/pm-suspend
rm -f /var/run/pm-suspend
files="/etc/pm/hooks/*"
if [ "$2" = "reverse" ]; then
files=$(echo $files | awk '{ for (i=NF; i>=1; i--) print $i }')
fi
for file in $files ; do
[ -x $file ] && $file $1
done
}
get_power_status()
{
RETVAL=0
on_ac_power
case "$?" in
"0")
echo "ac"
;;
"1")
echo "battery"
;;
"255")
echo "error"
RETVAL=1
;;
esac
return $RETVAL
}
pm_main()
{
take_suspend_lock || exit 1
run_hooks "$1"
sync ; sync ; sync
case "$1" in
suspend)
echo -n "mem" > /sys/power/state
run_hooks resume reverse
;;
hibernate)
echo -n "platform" > /sys/power/disk
echo -n "disk" > /sys/power/state
run_hooks thaw reverse
;;
esac
remove_suspend_lock 200
return 0
}
modunload()
{
/sbin/lsmod 2>/dev/null | grep -q "$1"
if [ "$?" == "0" ]; then
echo "export ${1}_MODULE_LOAD=yes" >> /var/run/pm-suspend
/sbin/modprobe -r "$1" >/dev/null 2>&1
fi
}
modreload()
{
if [ "$(eval echo \$${1}_MODULE_LOAD)" == "yes" ]; then
/sbin/modprobe "$1" >/dev/null 2>&1
fi
}
stopservice()
{
/sbin/service "$1" status 2>/dev/null | grep -c -q running
if [ "$?" == "0" ]; then
echo "export ${1}_SERVICE_ACTIVATE=yes" >> /var/run/pm-suspend
/sbin/service "$1" stop >/dev/null 2>&1
fi
}
restartservice()
{
if [ "$(eval echo \$${1}_SERVICE_ACTIVATE)" == "yes" ]; then
/sbin/service "$1" start >/dev/null 2>&1
fi
}
savestate()
{
echo "export ${1}_STATE=$2" >> /var/run/pm-suspend
}
restorestate()
{
eval echo \$${1}_STATE
}
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