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#!/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

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
}

export ACTION=add
# propagate /dev from /sys
echo "Starting udev"

# mount the tmpfs on /dev, if not already done
LANG=C awk '$2 == "/dev" && ($3 == "tmpfs" || $3 == "devtmpfs") { exit 1 }' /proc/mounts && {
	mount -n -o mode=0755 -t tmpfs none "/dev"
}
[ -e /dev/pts ] || mkdir -m 0755 /dev/pts
[ -e /dev/shm ] || mkdir -m 1777 /dev/shm


if [ -e /etc/dev.tar ]; then
	(cd /; tar xf /etc/dev.tar 2>&1 | grep -v 'time stamp' || true)
	not_first_boot=1
fi

# make_extra_nodes
kill_udevd > "/dev/null" 2>&1

# trigger the sorted events
echo -e '\000\000\000\000' > /proc/sys/kernel/hotplug
/sbin/udevd -d

/sbin/udevadm control --env=STARTUP=1
if [ "$not_first_boot" != "" ];then
	/sbin/udevadm trigger --action=add --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/udevadm settle --timeout=3; /sbin/udevadm control --env=STARTUP=)&
else
	/sbin/udevadm trigger --action=add
	/sbin/udevadm settle
fi

exit 0