Quelltext der Seite Init-Skript xendriverdomain

Init-Skript '''/etc/init.d/xendriverdomain'''
<pre>
#!/bin/sh
### BEGIN INIT INFO
# Provides:          xendriverdomain
# Required-Start:    $syslog $remote_fs $network
# Required-Stop:     $syslog $remote_fs $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Xen driverdomain daemon
# Description:       Xen driverdomain daemon
### END INIT INFO

. /lib/init/vars.sh
. /lib/lsb/init-functions

PATH=/sbin:/bin:/usr/sbin:/usr/bin
DESC="Xen driverdomain daemon"

case "$(cat /sys/hypervisor/type 2>/dev/null)" in
xen)            ;;
*)      exit 0  ;; # not running under Xen
esac

VERSION=$(/usr/lib/xen-common/bin/xen-version)
ROOT=$(/usr/lib/xen-common/bin/xen-dir)
if [ $? -ne 0 ]; then
        log_warning_msg "No compatible Xen utils for Xen $VERSION"
        exit 1
fi

XENDRIVERDOMAIN="/usr/sbin/xl"
XENDRIVERDOMAIN_PIDFILE="/run/xendriverdomain.pid"
XENDRIVERDOMAIN_ARGS="devd -p /run/xendriverdomain.pid 2>/dev/null"

modules_setup()
{
        modprobe xenfs 2>/dev/null
        modprobe xen-evtchn 2>/dev/null
        modprobe xen-gntdev 2>/dev/null
        modprobe xen-acpi-processor 2>/dev/null
}

xenfs_setup()
{
        [ -e "/proc/xen/capabilities" ] && return 0
        log_progress_msg "xenfs"
        [ -d "/proc/xen" ] || return 1
        mount -t xenfs xenfs /proc/xen || return 1
        return 0
}

capability_check()
{
        [ -d "/proc/xen" ] || return 1
        [ -e "/proc/xen/capabilities" ] || return 1
        return 0
}

xendriverdomain_start()
{
        log_progress_msg "xendriverdomain"
        xendriverdomain_start_real
        return $?
}

xendriverdomain_stop()
{
        log_progress_msg "xendriverdomain"
        xendriverdomain_stop_real
        return $?
}

xendriverdomain_restart()
{
        log_progress_msg "xendriverdomain"
        xendriverdomain_stop_real
        case "$?" in
                0|1)
                xendriverdomain_start_real
                case "$?" in
                        0) ;;
                        *) return 2 ;;
                esac
                ;;
                *) return 2 ;;
        esac
        return 0
}

xendriverdomain_start_real()
{
        start-stop-daemon --start --quiet --pidfile "$XENDRIVERDOMAIN_PIDFILE" --exec "$XENDRIVERDOMAIN" -- \
                $XENDRIVERDOMAIN_ARGS --pid-file "$XENDRIVERDOMAIN_PIDFILE" \
                || return 2
}

xendriverdomain_stop_real()
{
        start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile "$XENDRIVERDOMAIN_PIDFILE" --name xendriverdomain
        RETVAL="$?"
        [ "$RETVAL" = 2 ] && return 2
        kill `cat $XENDRIVERDOMAIN_PIDFILE`
        for pid in `ps aux | grep -v grep | grep 'xl devd' | awk '{print $2}'`; do
            kill $pid
        done
        rm -f $XENDRIVERDOMAIN_PIDFILE
        return "$RETVAL"
}

case "$1" in
  start)
        log_daemon_msg "Starting $DESC"
        modules_setup
        xenfs_setup
        case "$?" in
                0) ;;
                *) log_end_msg 1; exit ;;
        esac
        capability_check
        case "$?" in
                0) ;;
                *) log_end_msg 0; exit ;; # not a dom0, skip the rest
        esac
        xendriverdomain_start
        case "$?" in
                0) ;;
                *) log_end_msg 0; exit ;; # not a dom0, skip the rest
        esac
        log_end_msg 0
        ;;
  stop)
        xendriverdomain_stop
        case "$?" in
                0|1) ;;
                *) ret=1 ;;
        esac
        log_daemon_msg "Stopping $DESC"
        ret=0
        log_end_msg $ret
        ;;
  restart|force-reload)
        xendriverdomain_start
        case "$?" in
                0) ;;
                *) log_end_msg 0; exit ;; # not a dom0, skip the rest
        esac
        log_daemon_msg "Restarting $DESC"
        ret=0
        log_end_msg $ret
        ;;
  *)
        echo "Usage: $0 {start|stop|restart|force-reload}" >&2
        exit 3
        ;;
esac
exit 0
</pre>