#!/bin/bash

# Copyright 2012 Peter Palfrader

l=/var/run/reboot-lock
exec 3> $l

if ! flock --exclusive -w 0  3; then
	echo >&2 "Cannot acquire reboot lock."
	exit 1
fi
echo "Reboot lock acquired."

ppid="$PPID"
(
	while kill -0 "$ppid" 2>/dev/null; do
		sleep 1
	done
) &
disown
exit 0