| #!/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 |
| |
| export TZ=/etc/localtime |
| |
| [ -d /sys/class ] || exit 1 |
| [ -r /proc/mounts ] || exit 1 |
| [ -x @UDEVD@ ] || exit 1 |
| |
| [ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf |
| [ -f /etc/default/rcS ] && . /etc/default/rcS |
| |
| kill_udevd () { |
| pid=`pidof -x udevd` |
| [ -n "$pid" ] && kill $pid |
| } |
| |
| case "$1" in |
| start) |
| export ACTION=add |
| # propagate /dev from /sys |
| echo "Starting udev" |
| |
| # Check for requireed devtmpfs before trying to start udev and |
| # mount a no-existant fs. |
| if ! grep -q devtmpfs /proc/filesystems |
| then |
| echo "Missing devtmpfs, which is required for udev to run"; |
| echo "Halting..." |
| halt |
| fi |
| # mount the devtmpfs on /dev, if not already done |
| LANG=C awk '$2 == "/dev" && ($3 == "devtmpfs") { exit 1 }' /proc/mounts && { |
| mount -n -o mode=0755 -t devtmpfs none "/dev" |
| } |
| [ -e /dev/pts ] || mkdir -m 0755 /dev/pts |
| [ -e /dev/shm ] || mkdir -m 1777 /dev/shm |
| # the automount rule for udev needs /tmp directory available, as /tmp is a symlink |
| # to /var/tmp which in turn is a symlink to /var/volatile/tmp, we need to make sure |
| # /var/volatile/tmp directory to be available. |
| mkdir -m 1777 -p /var/volatile/tmp |
| |
| # make_extra_nodes |
| kill_udevd > "/dev/null" 2>&1 |
| |
| # trigger the sorted events |
| [ -e /proc/sys/kernel/hotplug ] && printf '\0\n' >/proc/sys/kernel/hotplug |
| @UDEVD@ -d |
| |
| udevadm control --env=STARTUP=1 |
| if [ "$not_first_boot" != "" ];then |
| if [ "$PROBE_PLATFORM_BUS" != "yes" ]; then |
| PLATFORM_BUS_NOMATCH="--subsystem-nomatch=platform" |
| else |
| PLATFORM_BUS_NOMATCH="" |
| fi |
| 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 $PLATFORM_BUS_NOMATCH |
| (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 udevd --quiet |
| ;; |
| restart) |
| $0 stop |
| sleep 1 |
| $0 start |
| ;; |
| status) |
| pid=`pidof -x udevd` |
| if [ -n "$pid" ]; then |
| echo "udevd (pid $pid) is running ..." |
| else |
| echo "udevd is stopped" |
| fi |
| ;; |
| *) |
| echo "Usage: $0 {start|stop|status|restart}" |
| exit 1 |
| esac |
| exit 0 |