[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 | . ${rc_functions} |
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| 21 | |
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[fdad8d5] | 22 | trigger_device_events() { |
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[7e161ea] | 23 | # generate events with the sysfs trigger |
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| 24 | list=$(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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[103e3eb] | 29 | */device/uevent|*\**) |
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[7e161ea] | 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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[c044e1b] | 56 | echo "Creating /dev in tmpfs..." |
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| 57 | mount -n -t tmpfs tmpfs /dev -o mode=755 |
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| 58 | |
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| 59 | echo "Copying static entries..." |
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| 60 | cp -ar /lib/udev/devices/* /dev |
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| 61 | |
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| 62 | echo "Executing udevstart..." |
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| 63 | udevstart |
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| 64 | |
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[7e161ea] | 65 | # disable hotplug helper, udevd listens to netlink |
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| 66 | echo "" > /proc/sys/kernel/hotplug |
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| 67 | |
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| 68 | # start udevd |
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[d729812] | 69 | boot_mesg "Starting udevd..." |
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[a6cd72e] | 70 | loadproc /sbin/udevd --daemon |
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[7e161ea] | 71 | |
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| 72 | # cleanup some stuff |
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[a6cd72e] | 73 | rm -f /var/run/sysconfig/network |
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[7e161ea] | 74 | rm -rf /events/* |
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| 75 | |
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[a6cd72e] | 76 | # start coldplugging |
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[d729812] | 77 | boot_mesg "Performing Coldplugging..." |
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[a6cd72e] | 78 | |
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[7e161ea] | 79 | # unlikely, but we may be faster than the first event |
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| 80 | mkdir -p /dev/.udev/queue |
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| 81 | |
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| 82 | # configure all devices |
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| 83 | trigger_device_events |
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| 84 | |
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[103e3eb] | 85 | # until we know how to do better, just wait for _all_ events to finish |
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| 86 | loop=300 |
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[7e161ea] | 87 | while test -d /dev/.udev/queue; do |
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| 88 | sleep 0.1; |
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[103e3eb] | 89 | test "$loop" -gt 0 || break |
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| 90 | loop=$(($loop - 1)) |
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[7e161ea] | 91 | done |
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[a6cd72e] | 92 | |
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| 93 | echo_ok |
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[7e161ea] | 94 | ;; |
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| 95 | |
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| 96 | stop) |
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[d729812] | 97 | boot_mesg "Stopping udevd..." |
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[7e161ea] | 98 | echo "/sbin/hotplug" > /proc/sys/kernel/hotplug |
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[a6cd72e] | 99 | killproc /sbin/udevd |
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[7e161ea] | 100 | ;; |
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| 101 | |
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| 102 | restart) |
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[d729812] | 103 | boot_mesg "Restarting udevd..." |
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[a6cd72e] | 104 | killproc /sbin/udevd |
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| 105 | loadproc /sbin/udevd --daemon |
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| 106 | evaluate_retval |
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[7e161ea] | 107 | ;; |
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| 108 | |
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| 109 | status) |
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| 110 | statusproc /sbin/udevd |
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| 111 | ;; |
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| 112 | |
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| 113 | reload) |
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[d729812] | 114 | boot_mesg "Reloading udev rules..." |
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[7e161ea] | 115 | udevcontrol reload_rules |
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| 116 | cp --preserve=all --recursive --update /lib/udev/devices/* /dev |
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| 117 | evaluate_retval |
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| 118 | ;; |
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| 119 | |
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| 120 | force-reload) |
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[d729812] | 121 | boot_mesg "Updating all available device nodes in /dev..." |
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[7e161ea] | 122 | udevcontrol reload_rules |
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| 123 | rm -rf /dev/.udev /dev/disk |
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| 124 | cp --preserve=all --recursive --update /lib/udev/devices/* /dev |
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| 125 | trigger_device_events |
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| 126 | evaluate_retval |
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| 127 | ;; |
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[a6cd72e] | 128 | |
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[7e161ea] | 129 | *) |
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| 130 | echo "Usage: $0 {start|stop|restart|status|reload|force-reload}" |
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| 131 | exit 1 |
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| 132 | ;; |
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| 133 | esac |
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