#!/sbin/runscript
# Copyright 1999-2010 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

mount_dev_directory()
{
	if mountinfo -q /dev; then
		einfo "/dev is already mounted"
		return 0
	fi

	# No options are processed here as they should all be in /etc/fstab
	ebegin "Mounting /dev"
	if ! fstabinfo --mount /dev; then
		# we mount devtmpfs if supported
		local fs=tmpfs
		grep -qs devtmpfs /proc/filesystems && fs=devtmpfs

		# Some devices require exec, Bug #92921
		mount -n -t "$fs" -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 -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

	# Create problematic directories
	mkdir -p /dev/pts /dev/shm
	rm -rf /dev/fd
	ln -snf /proc/self/fd /dev/fd
	return 0
}


start()
{
	mount_dev_directory || return 1

	# make sure it exists
	mkdir -p /dev/.udev /dev/.udev/rules.d
	
	seed_dev

	return 0
}