source: udev/udev@ 8b91bae

#!/bin/sh
########################################################################
# Begin $rc_base/init.d/udev
#
# Description : Udev Boot Script
#
# Authors     : Based on Open Suse Udev Rules
#               kay.sievers@suse.de
#
# Adapted to  : Jim Gifford
# LFS         : Alexander E. Patrakov
#
# Version     : 00.00
#
# Notes       :
#
########################################################################

. /etc/sysconfig/rc
. ${rc_functions}

if [ -d "/lib64" ]; then
        udev_libdir=/lib64
else
        udev_libdir=/lib
fi

case "$1" in
    start)
        boot_mesg "Creating /dev in tmpfs..."
        mount -n -t tmpfs -o mode=0755 udev /dev
        evaluate_retval

        boot_mesg "Copying static entries..."
        cp --preserve=all --recursive --remove-destination ${udev_libdir}/udev/devices/* /dev
        evaluate_retval
        
        boot_mesg "Setting Permissons on /dev/shm..."
        chmod 1777 /dev/shm
        evaluate_retval

        echo "" > /sys/kernel/uevent_helper

        # start udevd
        boot_mesg "Starting udevd..."
        /sbin/udevd --daemon
        evaluate_retval

        # start coldplugging
        boot_mesg "Performing Coldplugging..."

        # unlikely, but we may be faster than the first event
        mkdir -p /dev/.udev/queue

        # configure all devices
        /sbin/udevtrigger
        
        # this replaces the old loop, exits after all devices are done
        /sbin/udevsettle

        echo_ok
        ;;

    stop)
        boot_mesg "Stopping udevd..."
        killproc /sbin/udevd
        ;;

    restart)
        boot_mesg "Restarting udevd..."
        killproc /sbin/udevd
        loadproc /sbin/udevd --daemon
        evaluate_retval
        ;;

    status)
        statusproc /sbin/udevd
        ;;

    reload)
        boot_mesg "Reloading udev rules..."
        udevcontrol reload_rules
        cp --preserve=all --recursive --update ${udev_libdir}/udev/devices/* /dev
        evaluate_retval
        ;;

    force-reload)
        boot_mesg "Updating all available device nodes in /dev..."
        udevcontrol reload_rules
        rm -rf /dev/.udev /dev/disk
        cp --preserve=all --recursive --update ${udev_libdir}/udev/devices/* /dev
        /sbin/udevtrigger
        /sbin/udevsettle
        evaluate_retval
        ;;

    *)
        echo "Usage: $0 {start|stop|restart|status|reload|force-reload}"
        exit 1
        ;;
esac

unset udev_libdir