etc/init.d/udev

   1 #! /bin/bash
   2 #
   3 # random        init script to setup /udev
   4 #
   5 # chkconfig: 2345 20 80
   6 # description: manage user-space device nodes in /udev
   7
   8 . /etc/rc.d/init.d/functions
   9
  10 udev_dir=/udev
  11 sysfs_dir=/sys
  12 bin=/sbin/udev
  13
  14 case "$1" in
  15   start)
  16         if [ ! -d $udev_dir ]; then
  17                 mkdir $udev_dir
  18         fi
  19         if [ ! -d $sysfs_dir ]; then
  20                 exit 1
  21         fi
  22         # propogate /udev from /sys - we only need this while we do not
  23         # have initramfs and an early user-space with which to do early
  24         # device bring up
  25         action "Creating initial udev device nodes: " /bin/true
  26         export ACTION=add
  27         # add block devices and their partitions
  28         for i in ${sysfs_dir}/block/*; do
  29                 # add each drive
  30                 export DEVPATH=${i#${sysfs_dir}}
  31                 $bin block
  32
  33                 # add each partition, on each device
  34                 for j in $i/*; do
  35                         if [ -f $j/dev ]; then
  36                                 export DEVPATH=${j#${sysfs_dir}}
  37                                 $bin block
  38                         fi
  39                 done
  40         done
  41         # all other device classes
  42         for i in ${sysfs_dir}/class/*; do
  43                 for j in $i/*; do
  44                         if [ -f $j/dev ]; then
  45                                 export DEVPATH=${j#${sysfs_dir}}
  46                                 CLASS=`echo ${i#${sysfs_dir}} | \
  47                                         cut --delimiter='/' --fields=3-`
  48                                 $bin $CLASS
  49                         fi
  50                 done
  51         done
  52         ;;
  53   stop)
  54         # be careful
  55         if [ $udev_dir -a "$udev_dir" != "/" ]; then
  56                 # clear out /udev
  57                 rm -rf ${udev_dir}/*
  58         fi
  59         ;;
  60   status)
  61         if [ -d $udev_dir ]; then
  62                 echo "the udev device node directory exists"
  63         else
  64                 echo "the udev device node directory does not exist"
  65         fi
  66         ;;
  67   restart|reload)
  68         # nothing to do here
  69         ;;
  70   *)
  71         echo "Usage: $0 {start|stop|status}"
  72         exit 1
  73 esac
  74
  75 exit 0