#!/bin/sh
#
# Univention Setup
#  create /dev/shm for POSIX shared memory
#
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# Copyright 2017-2023 Univention GmbH
#
# https://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
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# POSIX shared memory objects are created (via shm_open) under /dev/shm or /run
# but /run is only writeable by root, therefore create /dev/shm as tmpfs with
# world-writeable permissions if it is missing

if [ ! -d /dev/shm ]
then
	mkdir --mode=755 /dev/shm
fi
mountpoint /dev/shm || mount -t tmpfs tmpfs /dev/shm
