"

 COPYRIGHT (c) 1996-2015 by Claus Gittinger

 New code and modifications done at SWING Research Group [1]:

 COPYRIGHT (c) 2010-2015 by Jan Vrany, Jan Kurs and Marcel Hlopko

                            SWING Research Group, Czech Technical University in Prague

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

 [1] Code written at SWING Research Group contains a signature

     of one of the above copright owners. For exact set of such code,

     see the differences between this version and version stx:libjava

     as of 1.9.2010

"

"{ Package: 'stx:libjava' }"

"{ NameSpace: Smalltalk }"

Process subclass:#JavaProcess

	instanceVariableNames:'suspendedContext'

	classVariableNames:''

	poolDictionaries:''

	category:'Languages-Java-Classes'

!

Object subclass:#Helper

	instanceVariableNames:'javaThreadObject javaProcess'

	classVariableNames:''

	poolDictionaries:''

	privateIn:JavaProcess

!

!JavaProcess class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 1996-2015 by Claus Gittinger

 New code and modifications done at SWING Research Group [1]:

 COPYRIGHT (c) 2010-2015 by Jan Vrany, Jan Kurs and Marcel Hlopko

                            SWING Research Group, Czech Technical University in Prague

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

 [1] Code written at SWING Research Group contains a signature

     of one of the above copright owners. For exact set of such code,

     see the differences between this version and version stx:libjava

     as of 1.9.2010

"

! !

!JavaProcess class methodsFor:'instance creation'!

newHelper

    ^Helper new

    "Created: / 15-12-2010 / 11:11:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaProcess class methodsFor:'others'!

version_HG

    ^ '$Changeset: <not expanded> $'

! !

!JavaProcess methodsFor:'accessing'!

suspendedContext

    |con|

"/    suspendedContext notNil ifTrue:[^ suspendedContext].

"/    state ~~ #debug ifTrue:[

"/        "/ hide non-JAVA contexts ...

"/        con := super suspendedContext.

"/        [con notNil] whileTrue:[

"/            (con isMemberOf:JavaContext) ifTrue:[^ con].

"/            con := con sender.

"/        ].

"/    ].

    ^ super suspendedContext

    "Created: / 7.5.1996 / 09:02:03 / cg"

    "Modified: / 4.2.1998 / 20:44:31 / cg"

!

suspendedContext:aContext

    suspendedContext := aContext

    "Created: 7.5.1996 / 09:02:12 / cg"

! !

!JavaProcess methodsFor:'interrupts'!

clearInterruptActions

    interruptActions := nil

    "Created: 14.8.1997 / 17:27:22 / cg"

!

isInterrupted

    ^ interruptActions notNil

    "Created: 14.8.1997 / 17:26:40 / cg"

!

markInterrupted

    super interruptWith:[]

    "Modified: / 10.4.1998 / 15:20:58 / cg"

    "Created: / 10.4.1998 / 15:21:15 / cg"

! !

!JavaProcess methodsFor:'suspend & resume'!

terminateNoSignal

    | jThread |

    jThread := Java threadForStProcess: self.

    jThread notNil ifTrue:[

        JavaVM acquireMonitorAndNotifyAll: jThread.

    ].

    super terminateNoSignal

    "Created: / 15-12-2010 / 00:18:52 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 09-12-2011 / 12:51:16 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

    "Modified: / 27-08-2012 / 11:50:50 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaProcess::Helper methodsFor:'initialization'!

javaProcess:something

    javaProcess := something.

!

javaThreadObject:something

    javaThreadObject := something.

! !

!JavaProcess::Helper methodsFor:'support'!

value

    | procName |

    AbortOperationRequest handle:[:ex | 

        procName := javaProcess name.

        (procName startsWith:'JAVA-AWT-EventQueue') ifTrue:[

            Logger 

                log:('thread ' , procName , ' aborted - restarting process.')

                severity:Logger severityDEBUG

                facility:'JVM'.

            ex restart.

        ] ifFalse:[

            (javaProcess == (Smalltalk at:#'JavaVM:JavaScreenUpdaterThread') 

                or:[ javaProcess == (Smalltalk at:#'JavaVM:JavaEventQueueThread') ]) 

                    ifTrue:[

                        Logger 

                            log:('thread ' , procName , ' aborted - restarting process.')

                            severity:Logger severityDEBUG

                            facility:'JVM'.

                        ex restart

                    ]

                    ifFalse:[

                        Logger 

                            log:('thread ' , procName , ' aborted.')

                            severity:Logger severityDEBUG

                            facility:'JVM'.

                    ]

        ].

    ] do: [

            [

                JavaVM javaExceptionSignal handle:[:ex | 

                    | exClass |

                    procName := javaProcess name.

                    exClass := ex parameter class.

                    exClass == (Java at:'java.lang.ThreadDeath') ifTrue:[

                        Logger 

                            log:('thread ' , procName , ' terminated')

                            severity:Logger severityDEBUG

                            facility:'JVM'.

                    ] ifFalse:[

                        Logger 

                            log:('JAVA: thread ''' , procName , ''' terminated with exception: ' 

                                    , exClass name)

                            severity:Logger severityDEBUG

                            facility:'JVM'.

                    ].

                    ex return.

                ] do:[

                    MessageNotUnderstood handle:[:ex | 

                            | 

                            "/ remap doesNotUnderstand with nil-receiver to

                            "/ a nullPointerException ...

                             con  m |

                            con := ex suspendedContext.

                            con receiver isNil ifTrue:[

                                ((m := con sender method) notNil and:[ m isJavaMethod ]) ifTrue:[

                                    JavaVM throwNullPointerException.

                                    AbortSignal raise.

                                    "/ ex proceed.

                                ]

                            ].

                            ex reject.

                        ]

                        do:[

                            "/ Transcript showCR:(Timestamp now printString , 'start thread: ', stProcess name).

                            [

                                javaThreadObject instVarNamed:'tid' put:javaProcess id.

                                JavaUnhandledThreadDeathError handle:[ 

                                    "/ Ignore unhandled ThreadDeath, see Thread#stop()

                                ] do:[

                                    javaThreadObject perform:#'run()V'.

                                ].

                                (Smalltalk at:#'JavaVM:ThreadTrace') == true ifTrue:[

                                    Logger 

                                        log:('thread ' , javaProcess name , ' terminated')

                                        severity:Logger severityDEBUG

                                        facility:'JVM'.

                                ].

                            ] ensure:[

                                javaThreadObject perform:#'exit()V'.

                                (Smalltalk at:#'JavaVM:ThreadTrace') == true ifTrue:[

                                    Logger 

                                        log:('after exit of thread ' , javaProcess name)

                                        severity:Logger severityDEBUG

                                        facility:'JVM'.

                                ]

                            ]

                        ]

                    ]

            ] ensure:[

                JavaVM leaveMonitorsOfProcess:javaProcess.

                javaProcess == (Smalltalk at:#'JavaVM:JavaScreenUpdaterThread') ifTrue:[

                    Smalltalk at:#'JavaVM:JavaScreenUpdaterThread' put:nil.

                ].

                javaProcess == (Smalltalk at:#'JavaVM:JavaEventQueueThread') ifTrue:[

                    Smalltalk at:#'JavaVM:JavaEventQueueThread' put:nil.

                ].

"/                                    screenUpdaterClass := Java at:'sun.awt.ScreenUpdater'.    

"/                                    screenUpdaterClass notNil ifTrue:[

"/                                        screenUpdaterClass instVarNamed:'updater' put:nil.

"/                                    ].

            ]

        ]

    "Created: / 15-12-2010 / 11:06:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 09-12-2011 / 12:51:55 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

    "Modified: / 02-03-2015 / 14:02:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaProcess class methodsFor:'documentation'!

version

    ^ '$Header: /cvs/stx/stx/libjava/JavaProcess.st,v 1.24 2015-03-20 12:08:00 vrany Exp $'

!

version_CVS

    ^ '$Header: /cvs/stx/stx/libjava/JavaProcess.st,v 1.24 2015-03-20 12:08:00 vrany Exp $'

!

version_SVN

    ^ 'Id'

! !