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| author | Richard Purdie <richard@openedhand.com> | 2006-07-21 10:10:31 +0000 |
|---|---|---|
| committer | Richard Purdie <richard@openedhand.com> | 2006-07-21 10:10:31 +0000 |
| commit | b2f192faabe412adce79534e22efe9fb69ee40e2 (patch) | |
| tree | 7076c49d4286f8a1733650bd8fbc7161af200d57 /meta/packages/udev/udev-089/init | |
| parent | 2cf0eadf9f730027833af802d7e6c90b44248f80 (diff) | |
| download | poky-b2f192faabe412adce79534e22efe9fb69ee40e2.tar.gz | |
Rename /openembedded/ -> /meta/
git-svn-id: https://svn.o-hand.com/repos/poky/trunk@530 311d38ba-8fff-0310-9ca6-ca027cbcb966
Diffstat (limited to 'meta/packages/udev/udev-089/init')
| -rw-r--r-- | meta/packages/udev/udev-089/init | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/meta/packages/udev/udev-089/init b/meta/packages/udev/udev-089/init new file mode 100644 index 0000000000..5a60d52a9a --- /dev/null +++ b/meta/packages/udev/udev-089/init | |||
| @@ -0,0 +1,227 @@ | |||
| 1 | #!/bin/sh -e | ||
| 2 | ### BEGIN INIT INFO | ||
| 3 | # Provides: udev | ||
| 4 | # Required-Start: mountvirtfs | ||
| 5 | # Required-Stop: | ||
| 6 | # Default-Start: S | ||
| 7 | # Default-Stop: | ||
| 8 | # Short-Description: Start udevd, populate /dev and load drivers. | ||
| 9 | ### END INIT INFO | ||
| 10 | |||
| 11 | # we need to unmount /dev/pts/ and remount it later over the tmpfs | ||
| 12 | unmount_devpts() { | ||
| 13 | if mountpoint -q /dev/pts/; then | ||
| 14 | umount -l /dev/pts/ | ||
| 15 | fi | ||
| 16 | |||
| 17 | if mountpoint -q /dev/shm/; then | ||
| 18 | umount -l /dev/shm/ | ||
| 19 | fi | ||
| 20 | } | ||
| 21 | |||
| 22 | # mount a tmpfs over /dev, if somebody did not already do it | ||
| 23 | mount_tmpfs() { | ||
| 24 | if grep -E -q "^[^[:space:]]+ /dev tmpfs" /proc/mounts; then | ||
| 25 | return | ||
| 26 | fi | ||
| 27 | |||
| 28 | # /dev/.static/dev/ is used by MAKEDEV to access the real /dev/ directory. | ||
| 29 | # /etc/udev/ is recycled as a temporary mount point because it's the only | ||
| 30 | # directory which is guaranteed to be available. | ||
| 31 | mount -n -o bind /dev /etc/udev | ||
| 32 | |||
| 33 | if ! mount -n -o size=$tmpfs_size,mode=0755 -t tmpfs tmpfs /dev; then | ||
| 34 | umount /etc/udev | ||
| 35 | echo "udev requires tmpfs support, not started." | ||
| 36 | exit 1 | ||
| 37 | fi | ||
| 38 | |||
| 39 | mkdir -p /dev/.static/dev | ||
| 40 | chmod 700 /dev/.static/ | ||
| 41 | # The mount options in busybox are non-standard... | ||
| 42 | if test -x /bin/mount.util-linux | ||
| 43 | then | ||
| 44 | /bin/mount.util-linux --move /etc/udev /dev/.static/dev | ||
| 45 | elif test -x /bin/busybox | ||
| 46 | then | ||
| 47 | busybox mount -n -o move /etc/udev /dev/.static/dev | ||
| 48 | else | ||
| 49 | echo "udev requires an identifiable mount command, not started." | ||
| 50 | umount /etc/udev | ||
| 51 | umount /dev | ||
| 52 | exit 1 | ||
| 53 | fi | ||
| 54 | } | ||
| 55 | |||
| 56 | # I hate this hack. -- Md | ||
| 57 | make_extra_nodes() { | ||
| 58 | if [ "$(echo /lib/udev/devices/*)" != "/lib/udev/devices/*" ]; then | ||
| 59 | cp -a /lib/udev/devices/* /dev/ | ||
| 60 | fi | ||
| 61 | |||
| 62 | [ -e /etc/udev/links.conf ] || return 0 | ||
| 63 | grep '^[^#]' /etc/udev/links.conf | \ | ||
| 64 | while read type name arg1; do | ||
| 65 | [ "$type" -a "$name" -a ! -e "/dev/$name" -a ! -L "/dev/$name" ] ||continue | ||
| 66 | case "$type" in | ||
| 67 | L) ln -s $arg1 /dev/$name ;; | ||
| 68 | D) mkdir -p /dev/$name ;; | ||
| 69 | M) mknod -m 600 /dev/$name $arg1 ;; | ||
| 70 | *) echo "links.conf: unparseable line ($type $name $arg1)" ;; | ||
| 71 | esac | ||
| 72 | done | ||
| 73 | } | ||
| 74 | |||
| 75 | supported_kernel() { | ||
| 76 | case "$(uname -r)" in | ||
| 77 | 2.[012345].*|2.6.[0-9]|2.6.[0-9][!0-9]*) return 1 ;; | ||
| 78 | 2.6.1[01]|2.6.1[01][!0-9]*) return 1 ;; | ||
| 79 | esac | ||
| 80 | return 0 | ||
| 81 | } | ||
| 82 | |||
| 83 | set_hotplug_handler() { | ||
| 84 | case "$(uname -r)" in | ||
| 85 | 2.6.1[0-4]|2.6.1[0-4][!0-9]*) HANDLER='/sbin/udevsend' ;; | ||
| 86 | esac | ||
| 87 | echo $HANDLER > /proc/sys/kernel/hotplug | ||
| 88 | } | ||
| 89 | |||
| 90 | # shell version of /usr/bin/tty | ||
| 91 | my_tty() { | ||
| 92 | [ -x /bin/readlink ] || return 0 | ||
| 93 | [ -e /proc/self/fd/0 ] || return 0 | ||
| 94 | readlink --silent /proc/self/fd/0 || true | ||
| 95 | } | ||
| 96 | |||
| 97 | warn_if_interactive() { | ||
| 98 | if [ "$RUNLEVEL" = "S" -a "$PREVLEVEL" = "N" ]; then | ||
| 99 | return | ||
| 100 | fi | ||
| 101 | |||
| 102 | TTY=$(my_tty) | ||
| 103 | if [ -z "$TTY" -o "$TTY" = "/dev/console" ]; then | ||
| 104 | return | ||
| 105 | fi | ||
| 106 | |||
| 107 | printf "\n\n\nIt has been detected that the command\n\n\t$0 $*\n\n" | ||
| 108 | printf "has been run from an interactive shell.\n" | ||
| 109 | printf "It will probably not do what you expect, so this script will wait\n" | ||
| 110 | printf "60 seconds before continuing. Press ^C to stop it.\n" | ||
| 111 | printf "RUNNING THIS COMMAND IS HIGHLY DISCOURAGED!\n\n\n\n" | ||
| 112 | sleep 60 | ||
| 113 | } | ||
| 114 | |||
| 115 | ############################################################################## | ||
| 116 | |||
| 117 | PATH="/sbin:/bin:/usr/bin" | ||
| 118 | |||
| 119 | [ -x /sbin/udevd ] || exit 0 | ||
| 120 | |||
| 121 | # defaults | ||
| 122 | tmpfs_size="10M" | ||
| 123 | udev_root="/dev" | ||
| 124 | udevd_timeout=30 | ||
| 125 | |||
| 126 | . /etc/udev/udev.conf | ||
| 127 | |||
| 128 | if ! supported_kernel; then | ||
| 129 | echo "udev requires a kernel >= 2.6.12, not started." | ||
| 130 | exit 1 | ||
| 131 | fi | ||
| 132 | |||
| 133 | if [ ! -e /proc/filesystems ]; then | ||
| 134 | echo "udev requires a mounted procfs, not started." | ||
| 135 | exit 1 | ||
| 136 | fi | ||
| 137 | |||
| 138 | if ! grep -q '[[:space:]]tmpfs$' /proc/filesystems; then | ||
| 139 | echo "udev requires tmpfs support, not started." | ||
| 140 | exit 1 | ||
| 141 | fi | ||
| 142 | |||
| 143 | if [ ! -d /sys/class/ ]; then | ||
| 144 | echo "udev requires a mounted sysfs, not started." | ||
| 145 | exit 1 | ||
| 146 | fi | ||
| 147 | |||
| 148 | if [ ! -e /proc/sys/kernel/hotplug ]; then | ||
| 149 | echo "udev requires hotplug support, not started." | ||
| 150 | exit 1 | ||
| 151 | fi | ||
| 152 | |||
| 153 | ############################################################################## | ||
| 154 | |||
| 155 | # When modifying this script, do not forget that between the time that | ||
| 156 | # the new /dev has been mounted and udevsynthesize has been run there will be | ||
| 157 | # no /dev/null. This also means that you cannot use the "&" shell command. | ||
| 158 | |||
| 159 | case "$1" in | ||
| 160 | start) | ||
| 161 | if [ -e "$udev_root/.udev/" ]; then | ||
| 162 | if mountpoint -q /dev/; then | ||
| 163 | TMPFS_MOUNTED=1 | ||
| 164 | else | ||
| 165 | echo ".udev/ already exists on the static $udev_root!" | ||
| 166 | fi | ||
| 167 | else | ||
| 168 | warn_if_interactive | ||
| 169 | fi | ||
| 170 | |||
| 171 | echo "Starting the hotplug events dispatcher" "udevd" | ||
| 172 | udevd --daemon | ||
| 173 | |||
| 174 | set_hotplug_handler | ||
| 175 | |||
| 176 | if [ -z "$TMPFS_MOUNTED" ]; then | ||
| 177 | unmount_devpts | ||
| 178 | mount_tmpfs | ||
| 179 | [ -d /proc/1 ] || mount -n /proc | ||
| 180 | fi | ||
| 181 | |||
| 182 | # if this directory is not present /dev will not be updated by udev | ||
| 183 | mkdir -p /dev/.udev/ /dev/.udev/db/ /dev/.udev/queue/ /dev/.udevdb/ | ||
| 184 | # /dev/null must be created before udevd is started | ||
| 185 | make_extra_nodes | ||
| 186 | |||
| 187 | echo "Synthesizing the initial hotplug events" | ||
| 188 | udevsynthesize | ||
| 189 | |||
| 190 | # wait for the udevd childs to finish | ||
| 191 | echo "Waiting for /dev to be fully populated" | ||
| 192 | while [ -d /dev/.udev/queue/ ]; do | ||
| 193 | sleep 1 | ||
| 194 | udevd_timeout=$(($udevd_timeout - 1)) | ||
| 195 | if [ $udevd_timeout -eq 0 ]; then | ||
| 196 | # ps axf | ||
| 197 | break | ||
| 198 | fi | ||
| 199 | done | ||
| 200 | if [ $udevd_timeout -eq 0 ]; then | ||
| 201 | echo 'timeout' | ||
| 202 | fi | ||
| 203 | ;; | ||
| 204 | |||
| 205 | stop) | ||
| 206 | echo "Stopping the hotplug events dispatcher" "udevd" | ||
| 207 | start-stop-daemon --stop --name udevd --quiet | ||
| 208 | ;; | ||
| 209 | |||
| 210 | restart|force-reload) | ||
| 211 | echo "Stopping the hotplug events dispatcher" "udevd" | ||
| 212 | if start-stop-daemon --stop --name udevd --quiet ; then | ||
| 213 | exit 1 | ||
| 214 | fi | ||
| 215 | |||
| 216 | echo "Starting the hotplug events dispatcher" "udevd" | ||
| 217 | udevd --daemon | ||
| 218 | ;; | ||
| 219 | |||
| 220 | *) | ||
| 221 | echo "Usage: /etc/init.d/udev {start|stop|restart|force-reload}" | ||
| 222 | exit 1 | ||
| 223 | ;; | ||
| 224 | esac | ||
| 225 | |||
| 226 | exit 0 | ||
| 227 | |||
