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#!/bin/sh
#
# Simple suspend script
#
# Copyright 2006 Red Hat, Inc.
#
# Based on work from:
# Bill Nottingham <notting@redhat.com>
# Peter Jones <pjones@redhat.com>
# David Zeuthen <davidz@redhat.com>
# Richard Hughes <richard@hughsie.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# The rule here? Simplicity.
. "@PM-UTILS-LIBDIR@/pm-functions"
# save the command line parameters for the hooks.
export PM_CMDLINE="$*"
help()
{
echo "${0##*/} [options]"
echo
echo "Options can change how suspend or hibernate is done."
run_hooks sleep help
exit 0
}
if [ -n "$EUID" -a "$EUID" != "0" ]; then
echo This utility may only be run by the root user. 1>&2
exit 1
fi
# Save the command line options for the hooks
while [ $# -gt 0 ]
do
[ "$1" = "--help" ] && help
shift
done
ACTION="$(echo ${0##*pm-} |tr - _)"
case "$ACTION" in
suspend) REVERSE=resume ;;
hibernate) REVERSE=thaw ;;
suspend_hybrid) REVERSE=resume ;;
*) echo "Don't know how to ${ACTION}."
exit 1 ;;
esac
"check_$ACTION" || { echo "System does not support $ACTION sleep."; exit 1; }
take_suspend_lock || exit 1
# make sure we release the lock no matter how we exit
trap remove_suspend_lock 0
init_logfile "${PM_LOGFILE}"
# Make sure we are not inhibited before we start.
rm -f "${INHIBIT}"
# run the sleep hooks
run_hooks sleep "$ACTION"
# Sleep only if we know how and if a hook did not inhibit us.
command_exists "do_$ACTION" && [ ! -e "$INHIBIT" ] && { sync; "do_$ACTION"; }
# run the sleep hooks in reverse with the wakeup action
run_hooks sleep "$REVERSE" reverse
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