[7e161ea] | 1 | #!/bin/sh |
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| 2 | ######################################################################## |
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| 3 | # Begin $rc_base/init.d/udev |
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| 4 | # |
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| 5 | # Description : Udev Boot Script |
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| 6 | # |
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| 7 | # Authors : Based on Open Suse Udev Rules |
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| 8 | # kay.sievers@suse.de |
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| 9 | # |
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| 10 | # Adapted to : Jim Gifford |
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| 11 | # LFS |
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| 12 | # |
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| 13 | # Version : 00.00 |
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| 14 | # |
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| 15 | # Notes : |
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| 16 | # |
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| 17 | ######################################################################## |
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| 18 | |
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| 19 | . /etc/sysconfig/rc |
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| 20 | . ${rc_functions} |
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| 21 | |
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| 22 | function trigger_device_events() { |
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| 23 | # generate events with the sysfs trigger |
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| 24 | list=$(echo /sys/bus/*/devices/*/uevent) |
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| 25 | list="$list $(echo /sys/class/*/*/uevent)" |
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| 26 | list="$list $(echo /sys/block/*/uevent /sys/block/*/*/uevent)" |
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| 27 | for i in $list; do |
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| 28 | case "$i" in |
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| 29 | */device/uevent) |
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| 30 | # skip followed device symlinks |
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| 31 | continue |
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| 32 | ;; |
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| 33 | |
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| 34 | */class/mem/*|*/class/tty/*) |
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| 35 | first="$first $i" |
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| 36 | ;; |
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| 37 | |
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| 38 | */block/md*) |
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| 39 | last="$last $i" |
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| 40 | ;; |
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| 41 | |
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| 42 | */*) |
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| 43 | default="$default $i" |
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| 44 | ;; |
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| 45 | esac |
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| 46 | done |
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| 47 | |
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| 48 | # trigger the sorted events |
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| 49 | for i in $first $default $last; do |
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| 50 | echo "add" > "$i" |
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| 51 | done |
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| 52 | } |
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| 53 | |
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| 54 | case "$1" in |
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| 55 | start) |
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| 56 | # disable hotplug helper, udevd listens to netlink |
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| 57 | echo "" > /proc/sys/kernel/hotplug |
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| 58 | |
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| 59 | # start udevd |
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[a6cd72e] | 60 | bootmesg "Starting udevd..." |
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| 61 | loadproc /sbin/udevd --daemon |
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[7e161ea] | 62 | |
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| 63 | # cleanup some stuff |
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[a6cd72e] | 64 | rm -f /var/run/sysconfig/network |
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[7e161ea] | 65 | rm -rf /events/* |
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| 66 | |
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[a6cd72e] | 67 | # start coldplugging |
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| 68 | bootmesg "Performing Coldplugging..." |
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| 69 | |
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[7e161ea] | 70 | # unlikely, but we may be faster than the first event |
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| 71 | mkdir -p /dev/.udev/queue |
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| 72 | |
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| 73 | # configure all devices |
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| 74 | trigger_device_events |
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| 75 | |
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| 76 | # until we know how to do better, we wait for all events to finish |
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| 77 | loop=0 |
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| 78 | while test -d /dev/.udev/queue; do |
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| 79 | sleep 0.1; |
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| 80 | test "$loop" -gt 300 && break |
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| 81 | loop=$(($loop + 1)) |
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| 82 | done |
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[a6cd72e] | 83 | |
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| 84 | echo_ok |
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[7e161ea] | 85 | ;; |
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| 86 | |
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| 87 | stop) |
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[a6cd72e] | 88 | bootmesg "Stopping udevd..." |
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[7e161ea] | 89 | echo "/sbin/hotplug" > /proc/sys/kernel/hotplug |
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[a6cd72e] | 90 | killproc /sbin/udevd |
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[7e161ea] | 91 | ;; |
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| 92 | |
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| 93 | restart) |
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[a6cd72e] | 94 | bootmesg "Restarting udevd..." |
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| 95 | killproc /sbin/udevd |
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| 96 | loadproc /sbin/udevd --daemon |
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| 97 | evaluate_retval |
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[7e161ea] | 98 | ;; |
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| 99 | |
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| 100 | status) |
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| 101 | statusproc /sbin/udevd |
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| 102 | ;; |
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| 103 | |
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| 104 | reload) |
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[a6cd72e] | 105 | bootmesg "Reloading udev rules..." |
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[7e161ea] | 106 | udevcontrol reload_rules |
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| 107 | cp --preserve=all --recursive --update /lib/udev/devices/* /dev |
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| 108 | evaluate_retval |
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| 109 | ;; |
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| 110 | |
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| 111 | force-reload) |
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[a6cd72e] | 112 | bootmesg "Updating all available device nodes in /dev..." |
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[7e161ea] | 113 | udevcontrol reload_rules |
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| 114 | rm -rf /dev/.udev /dev/disk |
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| 115 | cp --preserve=all --recursive --update /lib/udev/devices/* /dev |
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| 116 | trigger_device_events |
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| 117 | evaluate_retval |
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| 118 | ;; |
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[a6cd72e] | 119 | |
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[7e161ea] | 120 | *) |
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| 121 | echo "Usage: $0 {start|stop|restart|status|reload|force-reload}" |
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| 122 | exit 1 |
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| 123 | ;; |
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| 124 | esac |
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