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#!/sbin/runscript
# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
description="Mount tmpfs on /dev"
[ -e /etc/conf.d/udev ] && . /etc/conf.d/udev
# get_KV and others
. /lib/udev/shell-compat.sh
# FIXME
# Instead of this script testing kernel version, udev itself should
# Maybe something like udevd --test || exit $?
check_kernel()
{
if [ $(get_KV) -lt $(KV_to_int '2.6.15') ]; then
eerror "Your kernel is too old to work with this version of udev."
eerror "Current udev only supports Linux kernel 2.6.15 and newer."
return 1
fi
if [ $(get_KV) -lt $(KV_to_int '2.6.18') ]; then
ewarn "You need at least Linux kernel 2.6.18 for reliable operation of udev."
fi
return 0
}
mount_dev_directory()
{
# No options are processed here as they should all be in /etc/fstab
ebegin "Mounting /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=10M" udev /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 /dev/console c 5 1
[ -c /dev/tty1 ] || mknod /dev/tty1 c 4 1
[ -c /dev/tty ] || mknod /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 /dev/null c 1 3
# copy over any persistant things
if [ -d /lib/udev/devices ]; then
cp -RPp /lib/udev/devices/* /dev 2>/dev/null
fi
# Not provided by sysfs but needed
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()
{
# do not run this on too old baselayout - udev-addon is already loaded!
if [ ! -f /etc/init.d/sysfs ]; then
eerror "The $SVCNAME init-script is written for baselayout-2!"
eerror "Please do not use it with baselayout-1!".
return 1
fi
_start
}
_start()
{
check_kernel || return 1
mount_dev_directory || return 1
# Selinux lovin; /selinux should be mounted by selinux-patched init
if [ -x /sbin/restorecon -a -c /selinux/null ]; then
restorecon /dev > /selinux/null
fi
# make sure it exists
mkdir -p /dev/.udev
# FIXME: Is this needed with openrc?
# Create a file so that our rc system knows it's still in sysinit.
# Existance means init scripts will not directly run.
# rc will remove the file when done with sysinit.
touch /dev/.rcsysinit
seed_dev
return 0
}
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