diff options
Diffstat (limited to 'meta/recipes-core/udev/files/init')
| -rwxr-xr-x | meta/recipes-core/udev/files/init | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/meta/recipes-core/udev/files/init b/meta/recipes-core/udev/files/init deleted file mode 100755 index 8cbab188f0..0000000000 --- a/meta/recipes-core/udev/files/init +++ /dev/null @@ -1,212 +0,0 @@ -#!/bin/sh -e - -UDEVSTART=/sbin/udevstart - -# defaults -tmpfs_size="10M" -udev_root="/dev" - -[ -x $UDEVSTART ] || exit 0 - -. /etc/udev/udev.conf - -############################################################################## - -# we need to unmount /dev/pts/ and remount it later over the tmpfs -unmount_devpts() { - if mountpoint -q /dev/pts/; then - umount -l /dev/pts/ - fi - - if mountpoint -q /dev/shm/; then - umount -l /dev/shm/ - fi -} - -# mount a tmpfs over /dev, if somebody did not already do it -mount_tmpfs() { - if grep -E -q "^[^[:space:]]+ /dev tmpfs" /proc/mounts; then - return 0 - fi - - # /dev/.static/dev/ is used by MAKEDEV to access the real /dev/ directory. - # /etc/udev/ is recycled as a temporary mount point because it's the only - # directory which is guaranteed to be available. - mount -n -o bind /dev /etc/udev - - if ! mount -n -o size=$tmpfs_size,mode=0755 -t tmpfs tmpfs /dev; then - umount /etc/udev - echo "udev requires tmpfs support, not started." - exit 1 - fi - - # using ln to test if /dev works, because touch is in /usr/bin/ - if ln -s test /dev/test-file; then - rm /dev/test-file - else - echo "udev requires tmpfs support, not started." - umount /etc/udev - umount /dev - 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() { - [ -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 $arg1)" ;; - esac - done -} - -# this function is duplicated in preinst, postinst and d-i -supported_kernel() { - case "$(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 -} - -# 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 0 - fi - - TTY=$(my_tty) - if [ -z "$TTY" -o "$TTY" = "/dev/console" ]; then - return 0 - fi - - printf "\n\n\nIt has been detected that the command\n\n\t$0 $*\n\n" - printf "has been run from an interactive shell.\n" - printf "It will probably not do what you expect, so this script will wait\n" - printf "60 seconds before continuing. Press ^C to stop it.\n" - printf "RUNNING THIS COMMAND IS HIGHLY DISCOURAGED!\n\n\n\n" - sleep 60 -} - -############################################################################## - -if ! supported_kernel; then - echo "udev requires a kernel >= 2.6.12, not started." - exit 1 -fi - -if [ ! -e /proc/filesystems ]; then - echo "udev requires a mounted procfs, not started." - exit 1 -fi - -if ! grep -q '[[:space:]]tmpfs$' /proc/filesystems; then - echo "udev requires tmpfs support, not started." - exit 1 -fi - -if [ ! -d /sys/class/ ]; then - echo "udev requires a mounted sysfs, not started." - exit 1 -fi - -if [ ! -e /proc/sys/kernel/hotplug ] && [ ! -e /sys/kernel/uevent_helper ]; 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 udevstart has been run there will be -# no /dev/null. This also means that you cannot use the "&" shell command. - -case "$1" in - start) - if [ -e "$udev_root/.udevdb" ]; then - if mountpoint -q /dev/; then - TMPFS_MOUNTED=1 - else - echo ".udevdb already exists on the old $udev_root!" - fi - fi - warn_if_interactive - - #echo /sbin/udevsend > /proc/sys/kernel/hotplug - if [ -e /sys/kernel/uevent_helper ] ; then - echo "" > /sys/kernel/uevent_helper - else - echo "" > /proc/sys/kernel/hotplug - fi - udevsend - if [ "$UDEV_DISABLED" = "yes" ]; then - echo "udev disabled on the kernel command line, not started." - exit 0 - fi - - if [ ! "$TMPFS_MOUNTED" ]; then - unmount_devpts - mount_tmpfs - [ -d /proc/1 ] || mount -n /proc - # if this directory is not present /dev will not be updated by udev - mkdir /dev/.udevdb/ - echo "Creating initial device nodes..." - udevstart - fi - make_extra_nodes - ;; - stop) - warn_if_interactive - start-stop-daemon --stop --exec /sbin/udevd --quiet - unmount_devpts - if [ -d /dev/.static/dev/ ]; then - umount -l /dev/.static/dev/ || true - fi - echo "Unmounting /dev..." - # unmounting with -l should never fail - if ! umount -l /dev; then - exit 1 - fi - ;; - restart|force-reload) - start-stop-daemon --stop --exec /sbin/udevd --quiet - log_begin_msg "Recreating device nodes..." - udevstart - make_extra_nodes - log_end_msg 0 - ;; - *) - echo "Usage: /etc/init.d/udev {start|stop|restart|force-reload}" - exit 1 - ;; -esac - -exit 0 |