1#!/bin/sh 2 3### BEGIN INIT INFO 4# Provides: udev 5# Required-Start: mountvirtfs 6# Required-Stop: 7# Default-Start: S 8# Default-Stop: 9# Short-Description: Start udevd, populate /dev and load drivers. 10### END INIT INFO 11 12export TZ=/etc/localtime 13 14[ -d /sys/class ] || exit 1 15[ -r /proc/mounts ] || exit 1 16[ -x @UDEVD@ ] || exit 1 17 18[ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf 19[ -f /etc/default/rcS ] && . /etc/default/rcS 20 21kill_udevd () { 22 pid=`pidof -x udevd` 23 [ -n "$pid" ] && kill $pid 24} 25 26case "$1" in 27 start) 28 export ACTION=add 29 # propagate /dev from /sys 30 echo "Starting udev" 31 32 # Check for requireed devtmpfs before trying to start udev and 33 # mount a no-existant fs. 34 if ! grep -q devtmpfs /proc/filesystems 35 then 36 echo "Missing devtmpfs, which is required for udev to run"; 37 echo "Halting..." 38 halt 39 fi 40 # mount the devtmpfs on /dev, if not already done 41 LANG=C awk '$2 == "/dev" && ($3 == "devtmpfs") { exit 1 }' /proc/mounts && { 42 mount -n -o mode=0755 -t devtmpfs none "/dev" 43 } 44 [ -e /dev/pts ] || mkdir -m 0755 /dev/pts 45 [ -e /dev/shm ] || mkdir -m 1777 /dev/shm 46 # the automount rule for udev needs /tmp directory available, as /tmp is a symlink 47 # to /var/tmp which in turn is a symlink to /var/volatile/tmp, we need to make sure 48 # /var/volatile/tmp directory to be available. 49 mkdir -m 1777 -p /var/volatile/tmp 50 51 # make_extra_nodes 52 kill_udevd > "/dev/null" 2>&1 53 54 # trigger the sorted events 55 [ -e /proc/sys/kernel/hotplug ] && printf '\0\n' >/proc/sys/kernel/hotplug 56 @UDEVD@ -d 57 58 udevadm control --env=STARTUP=1 59 if [ "$not_first_boot" != "" ];then 60 if [ "$PROBE_PLATFORM_BUS" != "yes" ]; then 61 PLATFORM_BUS_NOMATCH="--subsystem-nomatch=platform" 62 else 63 PLATFORM_BUS_NOMATCH="" 64 fi 65 udevadm trigger --action=add --subsystem-nomatch=tty --subsystem-nomatch=mem --subsystem-nomatch=vc --subsystem-nomatch=vtconsole --subsystem-nomatch=misc --subsystem-nomatch=dcon --subsystem-nomatch=pci_bus --subsystem-nomatch=graphics --subsystem-nomatch=backlight --subsystem-nomatch=video4linux $PLATFORM_BUS_NOMATCH 66 (udevadm settle --timeout=3; udevadm control --env=STARTUP=)& 67 else 68 udevadm trigger --action=add 69 udevadm settle 70 fi 71 ;; 72 stop) 73 echo "Stopping udevd" 74 start-stop-daemon --stop --name udevd --quiet 75 ;; 76 restart) 77 $0 stop 78 sleep 1 79 $0 start 80 ;; 81 status) 82 pid=`pidof -x udevd` 83 if [ -n "$pid" ]; then 84 echo "udevd (pid $pid) is running ..." 85 else 86 echo "udevd is stopped" 87 fi 88 ;; 89 *) 90 echo "Usage: $0 {start|stop|status|restart}" 91 exit 1 92esac 93exit 0 94