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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60 | bootmesg "Starting udevd..." |
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61 | loadproc /sbin/udevd --daemon |
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62 | |
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63 | # cleanup some stuff |
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64 | rm -f /var/run/sysconfig/network |
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65 | rm -rf /events/* |
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66 | |
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67 | # start coldplugging |
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68 | bootmesg "Performing Coldplugging..." |
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69 | |
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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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83 | |
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84 | echo_ok |
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85 | ;; |
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86 | |
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87 | stop) |
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88 | bootmesg "Stopping udevd..." |
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89 | echo "/sbin/hotplug" > /proc/sys/kernel/hotplug |
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90 | killproc /sbin/udevd |
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91 | ;; |
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92 | |
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93 | restart) |
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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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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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105 | bootmesg "Reloading udev rules..." |
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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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112 | bootmesg "Updating all available device nodes in /dev..." |
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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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119 | |
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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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