| #!/bin/sh |
| |
| ### 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 |
| |
| . /etc/init.d/functions |
| |
| export TZ=/etc/localtime |
| |
| [ -d /sys/class ] || exit 1 |
| [ -r /proc/mounts ] || exit 1 |
| [ -x @UDEVD@ ] || exit 1 |
| [ -f /etc/default/udev-cache ] && . /etc/default/udev-cache |
| [ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf |
| |
| readfile () { |
| filename=$1 |
| READDATA="" |
| if [ -r $filename ]; then |
| while read line; do |
| READDATA="$READDATA$line" |
| done < $filename |
| fi |
| } |
| |
| case "$1" in |
| start) |
| export ACTION=add |
| # propagate /dev from /sys |
| echo "Starting udev" |
| |
| # mount the devtmpfs on /dev, if not already done |
| LANG=C awk '$2 == "/dev" && ($3 == "devtmpfs") { exit 1 }' /proc/mounts && { |
| mount -n -o mode=0755 -t devtmpfs none "/dev" |
| } |
| [ -e /dev/pts ] || mkdir -m 0755 /dev/pts |
| [ -e /dev/shm ] || mkdir -m 1777 /dev/shm |
| mount -a -t tmpfs 2>/dev/null |
| |
| # cache handling |
| if [ "$DEVCACHE" != "" ]; then |
| readfile /proc/version |
| VERSION="$READDATA" |
| readfile /proc/cmdline |
| CMDLINE="$READDATA" |
| readfile /proc/devices |
| DEVICES="$READDATA" |
| readfile /proc/atags |
| ATAGS="$READDATA" |
| |
| if [ -e $DEVCACHE ]; then |
| readfile /etc/udev/cache.data |
| if [ "$READDATA" = "$VERSION$CMDLINE$DEVICES$ATAGS" ]; then |
| (cd /; tar xf $DEVCACHE > /dev/null 2>&1) |
| not_first_boot=1 |
| [ "$VERBOSE" != "no" ] && echo "udev: using cache file $DEVCACHE" |
| [ -e /dev/shm/udev.cache ] && rm -f /dev/shm/udev.cache |
| else |
| echo "$VERSION$CMDLINE$DEVICES$ATAGS" > /dev/shm/udev.cache |
| fi |
| else |
| echo "$VERSION$CMDLINE$DEVICES$ATAGS" > /dev/shm/udev.cache |
| fi |
| fi |
| |
| # make_extra_nodes |
| killproc systemd-udevd > "/dev/null" 2>&1 |
| |
| # trigger the sorted events |
| echo -e '\000\000\000\000' > /proc/sys/kernel/hotplug |
| @UDEVD@ -d |
| |
| udevadm control --env=STARTUP=1 |
| if [ "$not_first_boot" != "" ];then |
| 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 |
| (udevadm settle --timeout=3; udevadm control --env=STARTUP=)& |
| else |
| udevadm trigger --action=add |
| udevadm settle |
| fi |
| ;; |
| stop) |
| echo "Stopping udevd" |
| start-stop-daemon --stop --name systemd-udevd --quiet |
| ;; |
| restart) |
| $0 stop |
| sleep 1 |
| $0 start |
| ;; |
| status) |
| status systemd-udevd |
| ;; |
| *) |
| echo "Usage: $0 {start|stop|status|restart}" |
| exit 1 |
| esac |
| exit 0 |