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 . /etc/udev/udev.conf
  11
  12 prog=udev
  13 sysfs_dir=/sys
  14 bin=/sbin/udev
  15
  16 run_udev () {
  17         # handle block devices and their partitions
  18         for i in ${sysfs_dir}/block/*; do
  19                 # add each drive
  20                 export DEVPATH=${i#${sysfs_dir}}
  21                 $bin block &
  22
  23                 # add each partition, on each device
  24                 for j in $i/*; do
  25                         if [ -f $j/dev ]; then
  26                                 export DEVPATH=${j#${sysfs_dir}}
  27                                 $bin block &
  28                         fi
  29                 done
  30         done
  31         # all other device classes
  32         for i in ${sysfs_dir}/class/*; do
  33                 for j in $i/*; do
  34                         if [ -f $j/dev ]; then
  35                                 export DEVPATH=${j#${sysfs_dir}}
  36                                 CLASS=`echo ${i#${sysfs_dir}} | \
  37                                         cut --delimiter='/' --fields=3-`
  38                                 $bin $CLASS &
  39                         fi
  40                 done
  41         done
  42         return 0
  43 }
  44
  45 case "$1" in
  46   start)
  47         if [ ! -d $sysfs_dir ]; then
  48                 exit 1
  49         fi
  50         if [ ! -d $udev_root ]; then
  51                 mkdir $udev_root
  52         fi
  53
  54         # remove the database if it is there as we always want to start fresh
  55         if [ -f $udev_root/.udev.tdb ]; then
  56                 rm -f $udev_root/.udev.tdb
  57         fi
  58
  59         # propogate /udev from /sys - we only need this while we do not
  60         # have initramfs and an early user-space with which to do early
  61         # device bring up
  62         export ACTION=add
  63         echo -n $"Creating initial udev device nodes:"
  64         run_udev
  65         success /bin/true
  66         echo
  67         touch /var/lock/subsys/udev
  68         ;;
  69   stop)
  70         # be careful
  71         echo -n $"Removing udev device nodes: "
  72         export ACTION=remove
  73         run_udev
  74         success /bin/true
  75         echo
  76         rm -f /var/lock/subsys/udev
  77         ;;
  78   status)
  79         if [ -f /var/lock/subsys/udev ]; then
  80                 echo $"$prog has run"
  81                 exit 0
  82         fi
  83         echo $"$prog is stopped"
  84         exit 3
  85         ;;
  86   restart)
  87         $0 stop
  88         $0 start
  89         ;;
  90   reload)
  91         # nothing to do here
  92         ;;
  93   *)
  94         echo "Usage: $0 {start|stop|status|restart}"
  95         exit 1
  96 esac
  97
  98 exit 0