systemd/etc/init.d/udev.init.lfs

#!/bin/sh
#
# LinuxFromScratch udev init script
#  derived from original RedHat udev init script
#  2003, 2004 by Michael Buesch <mbuesch@freenet.de>
#

source /etc/sysconfig/rc
source $rc_functions
source /etc/udev/udev.conf

sysfs_dir="/sys"
bin="/sbin/udev"


run_udev ()
{
	# handle block devices and their partitions
	for i in ${sysfs_dir}/block/*; do
		# add each drive
		export DEVPATH=${i#${sysfs_dir}}
		$bin block &

		# add each partition, on each device
		for j in $i/*; do
			if [ -f $j/dev ]; then
				export DEVPATH=${j#${sysfs_dir}}
				$bin block &
			fi
		done
	done
	# all other device classes
	for i in ${sysfs_dir}/class/*; do
		for j in $i/*; do
			if [ -f $j/dev ]; then
				export DEVPATH=${j#${sysfs_dir}}
				CLASS=`echo ${i#${sysfs_dir}} | \
					cut --delimiter='/' --fields=3-`
				$bin $CLASS &
			fi
		done
	done
	return 0
}

case "$1" in
	start)
		echo "Creating initial udev device nodes ..."
		if [ ! -d $sysfs_dir ]; then
			echo "sysfs_dir $sysfs_dir does not exist!"
			print_status failure
			exit 1
		fi
		if [ ! -d $udev_root ]; then
			mkdir $udev_root
			if [ $? -ne 0 ]; then
				print_status failure
				exit 1
			fi
		fi

		# propogate /udev from /sys - we only need this while we do not
		# have initramfs and an early user-space with which to do early
		# device bring up
		export ACTION=add
		run_udev
		evaluate_retval
		;;
	stop)
		echo "Removing udev device nodes ..."
		export ACTION=remove
		run_udev
		evaluate_retval
		;;
	reload)
	  	# nothing to do here
		;;
	restart)
		$0 stop
		sleep 1
		$0 start
		;;
	status)
	  	if [ -d $udev_dir ]; then
			echo "the udev device node directory exists"
		else
			echo "the udev device node directory does not exist"
		fi
		;;
	*)
		echo "Usage: $0 {start|stop|restart|status}"
		exit 1
		;;
esac
exit 0