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-rw-r--r--debian/udev.init255
1 files changed, 255 insertions, 0 deletions
diff --git a/debian/udev.init b/debian/udev.init
new file mode 100644
index 0000000..bb54f61
--- /dev/null
+++ b/debian/udev.init
@@ -0,0 +1,255 @@
+#!/bin/sh -e
+### BEGIN INIT INFO
+# Provides: udev
+# Required-Start: mountkernfs
+# Required-Stop: umountroot
+# Default-Start: S
+# Default-Stop: 0 6
+# Short-Description: Start systemd-udevd, populate /dev and load drivers.
+### END INIT INFO
+
+PATH="/sbin:/bin"
+NAME="systemd-udevd"
+DAEMON="/lib/systemd/systemd-udevd"
+DESC="hotplug events dispatcher"
+PIDFILE="/run/udev.pid"
+CTRLFILE="/run/udev/control"
+OMITDIR="/run/sendsigs.omit.d"
+
+# we need to unmount /dev/pts/ and remount it later over the devtmpfs
+unmount_devpts() {
+ if mountpoint -q /dev/pts/; then
+ umount -n -l /dev/pts/
+ fi
+
+ if mountpoint -q /dev/shm/; then
+ umount -n -l /dev/shm/
+ fi
+}
+
+# mount a devtmpfs over /dev, if somebody did not already do it
+mount_devtmpfs() {
+ if grep -E -q "^[^[:space:]]+ /dev devtmpfs" /proc/mounts; then
+ mount -n -o remount,nosuid,size=$tmpfs_size,mode=0755 -t devtmpfs devtmpfs /dev
+ return
+ fi
+
+ if ! mount -n -o nosuid,size=$tmpfs_size,mode=0755 -t devtmpfs devtmpfs /dev; then
+ log_failure_msg "udev requires devtmpfs support, not started"
+ log_end_msg 1
+ fi
+
+ return 0
+}
+
+create_dev_makedev() {
+ if [ -e /sbin/MAKEDEV ]; then
+ ln -sf /sbin/MAKEDEV /dev/MAKEDEV
+ else
+ ln -sf /bin/true /dev/MAKEDEV
+ fi
+}
+
+# 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 "$TTY" = "/dev/console" -o "$TTY" = "/dev/null" ]; then
+ return
+ fi
+
+ printf "\n\n\nIt has been detected that the command\n\n\t$0 $*\n\n"
+ printf "has been run from an interactive shell.\n"
+ printf "It will probably not do what you expect, so this script will wait\n"
+ printf "60 seconds before continuing. Press ^C to stop it.\n"
+ printf "RUNNING THIS COMMAND IS HIGHLY DISCOURAGED!\n\n\n\n"
+ sleep 60
+}
+
+make_static_nodes() {
+ [ -e /lib/modules/$(uname -r)/modules.devname ] || return 0
+ [ -x /bin/kmod ] || return 0
+
+ /bin/kmod static-nodes --format=tmpfiles --output=/proc/self/fd/1 | \
+ while read type name mode uid gid age arg; do
+ [ -e $name ] && continue
+ case "$type" in
+ c|b|c!|b!) mknod -m $mode $name $type $(echo $arg | sed 's/:/ /') ;;
+ d|d!) mkdir $name ;;
+ *) echo "unparseable line ($type $name $mode $uid $gid $age $arg)" >&2 ;;
+ esac
+
+ if [ -x /sbin/restorecon ]; then
+ /sbin/restorecon $name
+ fi
+ done
+}
+
+
+##############################################################################
+
+
+[ -x $DAEMON ] || exit 0
+
+# defaults
+tmpfs_size="10M"
+
+if [ -e /etc/udev/udev.conf ]; then
+ . /etc/udev/udev.conf
+fi
+
+. /lib/lsb/init-functions
+
+if [ ! -e /proc/filesystems ]; then
+ log_failure_msg "udev requires a mounted procfs, not started"
+ log_end_msg 1
+fi
+
+if ! grep -q '[[:space:]]devtmpfs$' /proc/filesystems; then
+ log_failure_msg "udev requires devtmpfs support, not started"
+ log_end_msg 1
+fi
+
+if [ ! -d /sys/class/ ]; then
+ log_failure_msg "udev requires a mounted sysfs, not started"
+ log_end_msg 1
+fi
+
+if [ ! -w /sys ]; then
+ log_warning_msg "udev does not support containers, not started"
+ exit 0
+fi
+
+if [ -d /sys/class/mem/null -a ! -L /sys/class/mem/null ] || \
+ [ -e /sys/block -a ! -e /sys/class/block ]; then
+ log_warning_msg "CONFIG_SYSFS_DEPRECATED must not be selected"
+ log_warning_msg "Booting will continue in 30 seconds but many things will be broken"
+ sleep 30
+fi
+
+# When modifying this script, do not forget that between the time that the
+# new /dev has been mounted and udevadm trigger 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 "/run/udev/" ]; then
+ warn_if_interactive
+ fi
+
+ if [ -w /sys/kernel/uevent_helper ]; then
+ echo > /sys/kernel/uevent_helper
+ fi
+
+ if ! mountpoint -q /dev/; then
+ unmount_devpts
+ mount_devtmpfs
+ [ -d /proc/1 ] || mount -n /proc
+ fi
+
+ make_static_nodes
+
+ # clean up parts of the database created by the initramfs udev
+ udevadm info --cleanup-db
+
+ # set the SELinux context for devices created in the initramfs
+ [ -x /sbin/restorecon ] && /sbin/restorecon -R /dev
+
+ log_daemon_msg "Starting $DESC" "$NAME"
+ if start-stop-daemon --start --name $NAME --user root --quiet \
+ --pidfile $PIDFILE --exec $DAEMON --background --make-pidfile \
+ --notify-await; then
+ # prevents udevd to be killed by sendsigs (see #791944)
+ mkdir -p $OMITDIR
+ ln -sf $PIDFILE $OMITDIR/$NAME
+ log_end_msg $?
+ else
+ log_warning_msg $?
+ log_warning_msg "Waiting 15 seconds and trying to continue anyway"
+ sleep 15
+ fi
+
+ log_action_begin_msg "Synthesizing the initial hotplug events (subsystems)"
+ if udevadm trigger --type=subsystems --action=add; then
+ log_action_end_msg $?
+ else
+ log_action_end_msg $?
+ fi
+ log_action_begin_msg "Synthesizing the initial hotplug events (devices)"
+ if udevadm trigger --type=devices --action=add; then
+ log_action_end_msg $?
+ else
+ log_action_end_msg $?
+ fi
+
+ create_dev_makedev
+
+ # wait for the systemd-udevd childs to finish
+ log_action_begin_msg "Waiting for /dev to be fully populated"
+ if udevadm settle; then
+ log_action_end_msg 0
+ else
+ log_action_end_msg 0 'timeout'
+ fi
+ ;;
+
+ stop)
+ log_daemon_msg "Stopping $DESC" "$NAME"
+ if start-stop-daemon --stop --name $NAME --user root --quiet \
+ --pidfile $PIDFILE --remove-pidfile --oknodo --retry 5; then
+ # prevents cryptsetup/dmsetup hangs (see #791944)
+ rm -f $CTRLFILE
+ log_end_msg $?
+ else
+ log_end_msg $?
+ fi
+ ;;
+
+ restart)
+ log_daemon_msg "Stopping $DESC" "$NAME"
+ if start-stop-daemon --stop --name $NAME --user root --quiet \
+ --pidfile $PIDFILE --remove-pidfile --oknodo --retry 5; then
+ # prevents cryptsetup/dmsetup hangs (see #791944)
+ rm -f $CTRLFILE
+ log_end_msg $?
+ else
+ log_end_msg $? || true
+ fi
+
+ log_daemon_msg "Starting $DESC" "$NAME"
+ if start-stop-daemon --start --name $NAME --user root --quiet \
+ --pidfile $PIDFILE --exec $DAEMON --background --make-pidfile \
+ --notify-await; then
+ # prevents udevd to be killed by sendsigs (see #791944)
+ mkdir -p $OMITDIR
+ ln -sf $PIDFILE $OMITDIR/$NAME
+ log_end_msg $?
+ else
+ log_end_msg $?
+ fi
+ ;;
+
+ reload|force-reload)
+ udevadm control --reload-rules
+ ;;
+
+ status)
+ status_of_proc $DAEMON $NAME && exit 0 || exit $?
+ ;;
+
+ *)
+ echo "Usage: /etc/init.d/udev {start|stop|restart|reload|force-reload|status}" >&2
+ exit 1
+ ;;
+esac
+
+exit 0