diff options
Diffstat (limited to 'meta')
| -rw-r--r-- | meta/packages/udev/udev-115/init | 254 |
1 files changed, 38 insertions, 216 deletions
diff --git a/meta/packages/udev/udev-115/init b/meta/packages/udev/udev-115/init index f3eaaf0ffe..5711d74b40 100644 --- a/meta/packages/udev/udev-115/init +++ b/meta/packages/udev/udev-115/init @@ -1,227 +1,49 @@ -#!/bin/sh -e -### BEGIN INIT INFO -# Provides: udev -# Required-Start: mountvirtfs -# Required-Stop: -# Default-Start: S -# Default-Stop: -# Short-Description: Start udevd, populate /dev and load drivers. -### END INIT INFO - -# we need to unmount /dev/pts/ and remount it later over the tmpfs -unmount_devpts() { - if mountpoint -q /dev/pts/; then - umount -l /dev/pts/ - fi - - if mountpoint -q /dev/shm/; then - umount -l /dev/shm/ - fi +export TZ=/etc/localtime + +[ -d /sys/class ] || exit 1 +[ -r /proc/mounts ] || exit 1 +[ -x /sbin/udevd ] || exit 1 +[ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf + +kill_udevd() { + if [ -x /sbin/pidof ]; then + pid=`/sbin/pidof -x udevd` + [ -n "$pid" ] && kill $pid + fi } -# mount a tmpfs over /dev, if somebody did not already do it -mount_tmpfs() { - if grep -E -q "^[^[:space:]]+ /dev tmpfs" /proc/mounts; then - return - fi - - # /dev/.static/dev/ is used by MAKEDEV to access the real /dev/ directory. - # /etc/udev/ is recycled as a temporary mount point because it's the only - # directory which is guaranteed to be available. - mount -n -o bind /dev /etc/udev - - if ! mount -n -o size=$tmpfs_size,mode=0755 -t tmpfs tmpfs /dev; then - umount /etc/udev - echo "udev requires tmpfs support, not started." - exit 1 - fi - - mkdir -p /dev/.static/dev - chmod 700 /dev/.static/ - # The mount options in busybox are non-standard... - if test -x /bin/mount.util-linux - then - /bin/mount.util-linux --move /etc/udev /dev/.static/dev - elif test -x /bin/busybox - then - busybox mount -n -o move /etc/udev /dev/.static/dev - else - echo "udev requires an identifiable mount command, not started." - umount /etc/udev - umount /dev - exit 1 - fi -} - -# I hate this hack. -- Md -make_extra_nodes() { - if [ "$(echo /lib/udev/devices/*)" != "/lib/udev/devices/*" ]; then - cp -a /lib/udev/devices/* /dev/ - fi - - [ -e /etc/udev/links.conf ] || return 0 - grep '^[^#]' /etc/udev/links.conf | \ - while read type name arg1; do - [ "$type" -a "$name" -a ! -e "/dev/$name" -a ! -L "/dev/$name" ] ||continue - case "$type" in - L) ln -s $arg1 /dev/$name ;; - D) mkdir -p /dev/$name ;; - M) mknod -m 600 /dev/$name $arg1 ;; - *) echo "links.conf: unparseable line ($type $name $arg1)" ;; - esac - done -} - -supported_kernel() { - case "$(uname -r)" in - 2.[012345].*|2.6.[0-9]|2.6.[0-9][!0-9]*) return 1 ;; - 2.6.1[01]|2.6.1[01][!0-9]*) return 1 ;; - esac - return 0 -} +export ACTION=add +# propagate /dev from /sys +echo -n "Starting udev" -set_hotplug_handler() { - case "$(uname -r)" in - 2.6.1[0-4]|2.6.1[0-4][!0-9]*) HANDLER='/sbin/udevsend' ;; - esac - echo $HANDLER > /proc/sys/kernel/hotplug +# mount the tmpfs on /dev, if not already done +LANG=C awk "\$2 == \"/dev\" && \$4 == \"tmpfs\" { exit 1 }" /proc/mounts && { + mount -n -o mode=0755 -t tmpfs none "/dev" + mkdir -m 0755 /dev/pts + mkdir -m 0755 /dev/shm } -# shell version of /usr/bin/tty -my_tty() { - [ -x /bin/readlink ] || return 0 - [ -e /proc/self/fd/0 ] || return 0 - readlink --silent /proc/self/fd/0 || true -} - -warn_if_interactive() { - if [ "$RUNLEVEL" = "S" -a "$PREVLEVEL" = "N" ]; then - return - fi - - TTY=$(my_tty) - if [ -z "$TTY" -o "$TTY" = "/dev/console" ]; then - return - fi - - printf "\n\n\nIt has been detected that the command\n\n\t$0 $*\n\n" - printf "has been run from an interactive shell.\n" - printf "It will probably not do what you expect, so this script will wait\n" - printf "60 seconds before continuing. Press ^C to stop it.\n" - printf "RUNNING THIS COMMAND IS HIGHLY DISCOURAGED!\n\n\n\n" - sleep 60 -} - -############################################################################## - -PATH="/sbin:/bin:/usr/bin" - -[ -x /sbin/udevd ] || exit 0 - -# defaults -tmpfs_size="10M" -udev_root="/dev" -udevd_timeout=30 - -. /etc/udev/udev.conf - -if ! supported_kernel; then - echo "udev requires a kernel >= 2.6.12, not started." - exit 1 -fi - -if [ ! -e /proc/filesystems ]; then - echo "udev requires a mounted procfs, not started." - exit 1 -fi - -if ! grep -q '[[:space:]]tmpfs$' /proc/filesystems; then - echo "udev requires tmpfs support, not started." - exit 1 +if [ -e /etc/dev.tar ]; then + (cd /; tar xf /etc/dev.tar) + not_first_boot=1 fi -if [ ! -d /sys/class/ ]; then - echo "udev requires a mounted sysfs, not started." - exit 1 -fi - -if [ ! -e /proc/sys/kernel/hotplug ]; then - echo "udev requires hotplug support, not started." - exit 1 -fi - -############################################################################## - -# When modifying this script, do not forget that between the time that -# the new /dev has been mounted and udevsynthesize has been run there will be -# no /dev/null. This also means that you cannot use the "&" shell command. +# make_extra_nodes +kill_udevd > "/dev/null" 2>&1 -case "$1" in - start) - if [ -e "$udev_root/.udev/" ]; then - if mountpoint -q /dev/; then - TMPFS_MOUNTED=1 - else - echo ".udev/ already exists on the static $udev_root!" - fi - else - warn_if_interactive - fi + # trigger the sorted events + echo -e '\000\000\000\000' > /proc/sys/kernel/hotplug + /sbin/udevd -d - echo "Starting the hotplug events dispatcher" "udevd" - udevd --daemon - - set_hotplug_handler - - if [ -z "$TMPFS_MOUNTED" ]; then - unmount_devpts - mount_tmpfs - [ -d /proc/1 ] || mount -n /proc - fi - - # if this directory is not present /dev will not be updated by udev - mkdir -p /dev/.udev/ /dev/.udev/db/ /dev/.udev/queue/ /dev/.udevdb/ - # /dev/null must be created before udevd is started - make_extra_nodes - - echo "Synthesizing the initial hotplug events" - udevtrigger - - # wait for the udevd childs to finish - echo "Waiting for /dev to be fully populated" - while [ -d /dev/.udev/queue/ ]; do - sleep 1 - udevd_timeout=$(($udevd_timeout - 1)) - if [ $udevd_timeout -eq 0 ]; then - # ps axf - break - fi - done - if [ $udevd_timeout -eq 0 ]; then - echo 'timeout' - fi - ;; - - stop) - echo "Stopping the hotplug events dispatcher" "udevd" - start-stop-daemon --stop --name udevd --quiet - ;; - - restart|force-reload) - echo "Stopping the hotplug events dispatcher" "udevd" - if start-stop-daemon --stop --name udevd --quiet ; then - exit 1 - fi - - echo "Starting the hotplug events dispatcher" "udevd" - udevd --daemon - ;; - - *) - echo "Usage: /etc/init.d/udev {start|stop|restart|force-reload}" - exit 1 - ;; -esac + /sbin/udevcontrol env STARTUP=1 + if [ "$not_first_boot" != "" ];then + /sbin/udevtrigger --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 --subsystem-nomatch=platform + (/sbin/udevsettle --timeout=3; /sbin/udevcontrol env STARTUP=)& + else + /sbin/udevtrigger + /sbin/udevsettle + (cd /; tar cf /etc/dev.tar /dev) + fi +echo exit 0 - |