#!/bin/sh

# autofs pm-utils integration script to try to disconnect everything mounted
# using automount when going into suspend/hibernate
#
# Based on /etc/apm/event.d/autofs and /etc/wpa_supplicant/action_wpa.sh
#
# Copyright: Copyright (c) 2010 Mikko Hänninen
# License:   GPL-2


# Expire any automounted file systems when suspending. We don't stop autofs,
# since there might still be lots of active files on these filesystems (so
# stopping might easily fail).

PATH=/sbin:/usr/sbin:/bin:/usr/bin


case "${1}" in
        suspend|hibernate)
                # Each automount daemon leaves its pid in one of these files
                for i in /var/run/autofs/*.pid; do
                    pid=$(head -n 1 $i 2>/dev/null)
                    [ "$pid" = "" ] && continue
                    # SIGUSR1 makes the daemon unmount any unused filesystems
                    # without quitting
                    kill -USR1 $pid
                done
                ;;
        resume|thaw)
                # nothing to do
                ;;
esac