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#!/bin/sh
########################################################################
# Begin mountvirtfs
#
# Description : Ensure proc, sysfs, run, and dev are mounted
#
# Authors : Gerard Beekmans - gerard@linuxfromscratch.org
# DJ Lucas - dj@linuxfromscratch.org
# Update : Bruce Dubbs - bdubbs@linuxfromscratch.org
#
# Version : LFS 7.0
#
########################################################################
### BEGIN INIT INFO
# Provides: mountvirtfs
# Required-Start: $first
# Should-Start:
# Required-Stop:
# Should-Stop:
# Default-Start: S
# Default-Stop:
# Short-Description: Mounts various special fs needed at start
# Description: Mounts /sys and /proc virtual (kernel) filesystems.
# Mounts /run (tmpfs) and /dev (devtmpfs).
# This is done only if they are not already mounted.
# with the kernel config proposed in the book, dev
# should be automatically mounted by the kernel.
# X-LFS-Provided-By: LFS
### END INIT INFO
. /lib/lsb/init-functions
case "${1}" in
start)
# Make sure /run is available before logging any messages
if ! mountpoint /run >/dev/null; then
mount /run || failed=1
fi
mkdir -p /run/lock /run/shm
chmod 1777 /run/shm /run/lock
log_info_msg "Mounting virtual file systems: ${INFO}/run"
if ! mountpoint /proc >/dev/null; then
log_info_msg2 " ${INFO}/proc"
mount -o nosuid,noexec,nodev /proc || failed=1
fi
if ! mountpoint /sys >/dev/null; then
log_info_msg2 " ${INFO}/sys"
mount -o nosuid,noexec,nodev /sys || failed=1
fi
if ! mountpoint /dev >/dev/null; then
log_info_msg2 " ${INFO}/dev"
mount -o mode=0755,nosuid /dev || failed=1
fi
ln -sfn /run/shm /dev/shm
(exit ${failed})
evaluate_retval
exit $failed
;;
*)
echo "Usage: ${0} {start}"
exit 1
;;
esac
# End mountvirtfs
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