File java.binfmt_misc of Package jpackage-utils

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File java.binfmt_misc of Package jpackage-utils

#!/bin/sh
#
#     Template SUSE system startup script for example service/daemon java.binfmt_misc
#     Copyright (C) 1995--2005  Kurt Garloff, SUSE / Novell Inc.
#          
#     This library is free software; you can redistribute it and/or modify it
#     under the terms of the GNU Lesser General Public License as published by
#     the Free Software Foundation; either version 2.1 of the License, or (at
#     your option) any later version.
#			      
#     This library is distributed in the hope that it will be useful, but
#     WITHOUT ANY WARRANTY; without even the implied warranty of
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#     Lesser General Public License for more details.
#      
#     You should have received a copy of the GNU Lesser General Public
#     License along with this library; if not, write to the Free Software
#     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
#     USA.
#
# /etc/init.d/java.binfmt_misc
#   and its symbolic link
# /(usr/)sbin/rcjava.binfmt_misc
#
# Template system startup script for some example service/daemon java.binfmt_misc
#
# LSB compatible service control script; see http://www.linuxbase.org/spec/
# 
#
### BEGIN INIT INFO
# Provides:          java.binfmt_misc
# Required-Start:    $remote_fs
# Should-Start: 
# Required-Stop:     $remote_fs
# Should-Stop: 
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: enables the system to automatically execute java *.jar and *.class files
# Description:       Start java.binfmt_misc to allow the execution of java programs with *.class or *.jar extension
### END INIT INFO

# see #271198
function java_binfmt_misc_status ()
{
  [ ! -e /proc/sys/fs/binfmt_misc/status ] && return 4
  [ `cat /proc/sys/fs/binfmt_misc/status` != "enabled" ] && return 3
    
  for state in Java ExecutableJAR JavaWebStart
  do
    if [ ! -e /proc/sys/fs/binfmt_misc/$state ]; then
      echo Warning /proc/sys/fs/binfmt_misc/$state is not present
      return 3
    fi

if [ `head -n 1 /proc/sys/fs/binfmt_misc/$state` != "enabled" ]
    then
      echo Warning /proc/sys/fs/binfmt_misc/$state is not enabled
    fi
  done
  
  return 0
}

# Check for missing binaries (stale symlinks should not happen)
# Note: Special treatment of stop for LSB conformance
for file in /usr/bin/javawrapper /usr/bin/jarwrapper /usr/bin/javaclassname
do
  test -x $file || { echo "$file not installed"; 
    if [ "$1" = "stop" ]; then exit 0;
    else exit 5; fi; }
done

# Check for existence of needed config file and read it
#java.binfmt_misc_CONFIG=/etc/sysconfig/java.binfmt_misc
#test -r $java.binfmt_misc_CONFIG || { echo "$java.binfmt_misc_CONFIG not existing";
#	if [ "$1" = "stop" ]; then exit 0;
#	else exit 6; fi; }

# Read config	
#. $java.binfmt_misc_CONFIG

# Source LSB init functions
# providing start_daemon, killproc, pidofproc, 
# log_success_msg, log_failure_msg and log_warning_msg.
# This is currently not used by UnitedLinux based distributions and
# not needed for init scripts for UnitedLinux only. If it is used,
# the functions from rc.status should not be sourced or used.
#. /lib/lsb/init-functions

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     be verbose in local rc status and clear it afterwards
#      rc_status -v -r  ditto and clear both the local and overall rc status
#      rc_status -s     display "skipped" and exit with status 3
#      rc_status -u     display "unused" and exit with status 3
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num>
#      rc_reset         clear both the local and overall rc status
#      rc_exit          exit appropriate to overall rc status
#      rc_active        checks whether a service is activated by symlinks
. /etc/rc.status

# Reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0	  - success
# 1       - generic or unspecified error
# 2       - invalid or excess argument(s)
# 3       - unimplemented feature (e.g. "reload")
# 4       - user had insufficient privileges
# 5       - program is not installed
# 6       - program is not configured
# 7       - program is not running
# 8--199  - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signaling is not supported) are
# considered a success.

case "$1" in
    start)
	echo -n "Starting java.binfmt_misc "

# Insert BINFMT_MISC module into the kernel
  if [ ! -e /proc/sys/fs/binfmt_misc/register ]; then
      if [[ -x /sbin/modprobe ]]; then
          /sbin/modprobe binfmt_misc
    # Some distributions, like Fedora Core, perform
    # the following command automatically when the
    # binfmt_misc module is loaded into the kernel.
    # Thus, it is possible that the following line
    # is not needed at all. Look at /etc/modprobe.conf
    # to check whether this is applicable or not.
        if ! mount | grep -q binfmt
        then
            mount -t binfmt_misc none /proc/sys/fs/binfmt_misc 
        fi
      fi
  fi

# Register support for class and jar files
  if [ -e /proc/sys/fs/binfmt_misc/register ]; then
     # support for Java applications:
     if [ -e /proc/sys/fs/binfmt_misc/Java ]
     then
       echo 1 > /proc/sys/fs/binfmt_misc/Java
     else
       echo ':Java:M::\xca\xfe\xba\xbe::/usr/bin/javawrapper:' > /proc/sys/fs/binfmt_misc/register
     fi
     # support for executable Jar files:
     if [ -e /proc/sys/fs/binfmt_misc/ExecutableJAR ]
     then
       echo 1 > /proc/sys/fs/binfmt_misc/ExecutableJAR
     else
       echo ':ExecutableJAR:E::jar::/usr/bin/jarwrapper:' > /proc/sys/fs/binfmt_misc/register
     fi
     # support for executable javaws
     if [ -e /proc/sys/fs/binfmt_misc/JavaWebStart ]
     then
       echo 1 > /proc/sys/fs/binfmt_misc/JavaWebStart
     else
       echo ':JavaWebStart:E::jnlp::/usr/bin/javawswrapper:' > /proc/sys/fs/binfmt_misc/register
     fi
     echo 1 > /proc/sys/fs/binfmt_misc/status
     ## support for Java Applets:
     #  ':Applet:E::html::/usr/bin/appletviewer:'
     ##or the following, if you want to be more selective:
     #  ':Applet:M::<!--applet::/usr/bin/appletviewer:'
  fi

# Remember status and be verbose
	rc_status -v
	;;
    stop)
	echo -n "Shutting down java.binfmt_misc "
  # Register support for class and jar files
  if [ -e /proc/sys/fs/binfmt_misc/register ]; then
   # support for Java applications:
   echo -1 > /proc/sys/fs/binfmt_misc/Java
   # support for executable Jar files:
   echo -1 > /proc/sys/fs/binfmt_misc/ExecutableJAR
   # support for javaws
   echo -1 > /proc/sys/fs/binfmt_misc/JavaWebStart
   ## support for Java Applets:
   #  ':Applet:E::html::/usr/bin/appletviewer:'
   ##or the following, if you want to be more selective:
   #  ':Applet:M::<!--applet::/usr/bin/appletviewer:'
  fi

# Remember status and be verbose
	rc_status -v
	;;
    try-restart|condrestart)
	## Do a restart only if the service was active before.
	## Note: try-restart is now part of LSB (as of 1.9).
	## RH has a similar command named condrestart.
	if test "$1" = "condrestart"; then
		echo "${attn} Use try-restart ${done}(LSB)${attn} rather than condrestart ${warn}(RH)${norm}"
	fi
	$0 status
	if test $? = 0; then
		$0 restart
	else
		rc_reset	# Not running is not a failure.
	fi
	# Remember status and be quiet
	rc_status
	;;
    restart)
	## Stop the service and regardless of whether it was
	## running or not, start it again.
	$0 stop
	$0 start

# Remember status and be quiet
	rc_status
	;;

reload)
        rc_failed 3
        ;;

## removed see #271198

#    force-reload)
#	## Signal the daemon to reload its config. Most daemons
#	## do this on signal 1 (SIGHUP).
#	## If it does not support it, restart the service if it
#	## is running.
#
#	echo -n "Reload service java.binfmt_misc "
#	## if it supports it:
#	echo /sbin/killproc -HUP $java.binfmt_misc_BIN
#	/sbin/killproc -HUP $java.binfmt_misc_BIN
#	#touch /var/run/java.binfmt_misc.pid
#	rc_status -v
#
#	## Otherwise:
#	#$0 try-restart
#	#rc_status
#	;;
#    reload)
#	## Like force-reload, but if daemon does not support
#	## signaling, do nothing (!)
#
#	# If it supports signaling:
#	echo -n "Reload service java.binfmt_misc "
#	/sbin/killproc -HUP $java.binfmt_misc_BIN
#	#touch /var/run/java.binfmt_misc.pid
#	rc_status -v
#	
#	## Otherwise if it does not support reload:
#	#rc_failed 3
#	#rc_status -v
#	;;
    status)
	echo -n "Checking for service java.binfmt_misc "
	## Check status with checkproc(8), if process is running
	## checkproc will return with exit status 0.

# Return value is slightly different for the status command:
	# 0 - service up and running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running (unused)
	# 4 - service status unknown :-(
	# 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.)
	
	# this function returns the LSB compliants status code
	# see #271198
	java_binfmt_misc_status
	# NOTE: rc_status knows that we called this init script with
	# "status" option and adapts its messages accordingly.
	rc_status -v
	;;
#    probe)
#	## Optional: Probe for the necessity of a reload, print out the
#	## argument to this init script which is required for a reload.
#	## Note: probe is not (yet) part of LSB (as of 1.9)
#
#	test /etc/java.binfmt_misc/java.binfmt_misc.conf -nt /var/run/java.binfmt_misc.pid && echo reload
#	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart}"
	exit 1
	;;
esac
rc_exit

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File java.binfmt_misc of Package jpackage-utils

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