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#!/sbin/runscript
# Largely based on Gentoo's udev-mount
#
# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
#
description="Mount tmpfs on /dev"
mount_dev_directory()
{
if [ "$(mountinfo -t /dev)" = "mdev" ]; then
# already mounted
if fstabinfo --quiet /dev; then
mount -o remount -n /dev
fi
return 0
fi
# No options are processed here as they should all be in /etc/fstab
ebegin "Mounting /dev"
mkdir -p /dev
if fstabinfo --quiet /dev; then
mount -n /dev
else
# Some devices require exec, Bug #92921
mount -n -t tmpfs -o "exec,nosuid,mode=0755,size=1M" mdev /dev
fi
eend $?
}
seed_dev()
{
# Seed /dev with some things that we know we need
# creating /dev/console, /dev/tty and /dev/tty1 to be able to write
# to $CONSOLE with/without bootsplash before udevd creates it
[ -c /dev/console ] || mknod -m 600 /dev/console c 5 1
[ -c /dev/tty1 ] || mknod -m 620 /dev/tty1 c 4 1
[ -c /dev/tty ] || mknod -m 666 /dev/tty c 5 0
# udevd will dup its stdin/stdout/stderr to /dev/null
# and we do not want a file which gets buffered in ram
[ -c /dev/null ] || mknod -m 666 /dev/null c 1 3
# so udev can add its start-message to dmesg
[ -c /dev/kmsg ] || mknod -m 660 /dev/kmsg c 1 11
# Not provided by sysfs but needed
rm -rf /dev/fd
ln -snf /proc/self/fd /dev/fd
ln -snf fd/0 /dev/stdin
ln -snf fd/1 /dev/stdout
ln -snf fd/2 /dev/stderr
[ -e /proc/kcore ] && ln -snf /proc/kcore /dev/core
# Create problematic directories
mkdir -p /dev/pts /dev/shm
return 0
}
start() {
mount_dev_directory || return 1
seed_dev
}
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