blob: 189d0c23199ea426d2cfb8bb3e03abfce4715151 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
#!/bin/sh
# lockfile.sh - handle lock files
# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org>
#
# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
# This is free software, and you are welcome to redistribute it
# under certain conditions; see COPYING for details.
set -e
Check_lockfile ()
{
FILE="${1}"
# Checking lock file
if [ -f "${FILE}" ]
then
Echo_error "system locked"
exit 1
fi
}
Create_lockfile ()
{
FILE="${1}"
DIRECTORY="$(dirname ${1})"
# Creating lock directory
mkdir -p "${DIRECTORY}"
# Creating lock trap
trap 'ret=${?}; '"rm -f \"${FILE}\";"' exit ${ret}' EXIT
# Creating lock file
touch "${FILE}"
}
|
