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"
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877
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COPYRIGHT (c) 1996-2011 by Claus Gittinger
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COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko
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SWING Research Group, Czech Technical University in Prague
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Parts of the code written by Claus Gittinger are under following
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license:
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752
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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877
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Parts of the code written at SWING Reasearch Group [1] are MIT licensed:
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the 'Software'), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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[1] Code written at SWING Research Group contain a signature
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of one of the above copright owners.
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752
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"
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"{ Package: 'stx:libjava' }"
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Process subclass:#JavaProcess
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instanceVariableNames:'suspendedContext'
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classVariableNames:''
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poolDictionaries:''
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category:'Languages-Java-Classes'
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!
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Object subclass:#Helper
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instanceVariableNames:'javaThreadObject javaProcess'
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classVariableNames:''
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poolDictionaries:''
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privateIn:JavaProcess
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!
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!JavaProcess class methodsFor:'documentation'!
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copyright
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"
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877
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COPYRIGHT (c) 1996-2011 by Claus Gittinger
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COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko
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SWING Research Group, Czech Technical University in Prague
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Parts of the code written by Claus Gittinger are under following
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license:
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752
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
|
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877
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Parts of the code written at SWING Reasearch Group [1] are MIT licensed:
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the 'Software'), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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[1] Code written at SWING Research Group contain a signature
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of one of the above copright owners.
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752
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"
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! !
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!JavaProcess class methodsFor:'instance creation'!
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newHelper
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^Helper new
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"Created: / 15-12-2010 / 11:11:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!JavaProcess methodsFor:'accessing'!
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suspendedContext
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|con|
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"/ suspendedContext notNil ifTrue:[^ suspendedContext].
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"/ state ~~ #debug ifTrue:[
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"/ "/ hide non-JAVA contexts ...
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"/ con := super suspendedContext.
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"/ [con notNil] whileTrue:[
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"/ (con isMemberOf:JavaContext) ifTrue:[^ con].
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"/ con := con sender.
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"/ ].
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"/ ].
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^ super suspendedContext
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"Created: / 7.5.1996 / 09:02:03 / cg"
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"Modified: / 4.2.1998 / 20:44:31 / cg"
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!
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suspendedContext:aContext
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suspendedContext := aContext
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"Created: 7.5.1996 / 09:02:12 / cg"
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! !
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!JavaProcess methodsFor:'interrupts'!
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clearInterruptActions
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interruptActions := nil
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"Created: 14.8.1997 / 17:27:22 / cg"
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!
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isInterrupted
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^ interruptActions notNil
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"Created: 14.8.1997 / 17:26:40 / cg"
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!
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markInterrupted
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super interruptWith:[]
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"Modified: / 10.4.1998 / 15:20:58 / cg"
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"Created: / 10.4.1998 / 15:21:15 / cg"
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! !
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!JavaProcess methodsFor:'suspend & resume'!
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terminateNoSignal
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| jThread |
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jThread := Java threads keyAtValue: self.
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JavaVM wakeup: jThread.
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super terminateNoSignal
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"Created: / 15-12-2010 / 00:18:52 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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"Modified: / 15-12-2010 / 11:19:32 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!JavaProcess::Helper methodsFor:'initialization'!
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javaProcess:something
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javaProcess := something.
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!
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javaThreadObject:something
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javaThreadObject := something.
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! !
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!JavaProcess::Helper methodsFor:'support'!
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value
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|procName|
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Object abortSignal
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handle:[:ex |
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procName := javaProcess name.
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(procName startsWith:'JAVA-AWT-EventQueue') ifTrue:[
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('JAVA [info]: thread ' , procName , ' aborted - restarting process.')
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infoPrintCR.
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ex restart.
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] ifFalse:[
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(javaProcess == (Smalltalk at:#'JavaVM:JavaScreenUpdaterThread')
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or:[javaProcess == (Smalltalk at:#'JavaVM:JavaEventQueueThread')])
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ifTrue:[
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('JAVA [info]: thread ' , procName , ' aborted - restarting process.')
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infoPrintCR.
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ex restart
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]
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ifFalse:[('JAVA [info]: thread ' , procName , ' aborted.') infoPrintCR.]
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].
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]
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do:[
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[
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JavaVM javaExceptionSignal
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handle:[:ex |
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|exClass|
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procName := javaProcess name.
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exClass := ex parameter class.
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exClass == (Java at:'java.lang.ThreadDeath') ifTrue:[
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('JAVA: thread ' , procName , ' terminated') infoPrintCR.
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] ifFalse:[
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Transcript
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showCR:('JAVA: thread ''' , procName , ''' terminated with exception: '
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, exClass name).
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].
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ex return.
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]
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do:[
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Object messageNotUnderstoodSignal
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handle:[:ex |
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"/ remap doesNotUnderstand with nil-receiver to
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"/ a nullPointerException ...
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con m|
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con := ex suspendedContext.
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con receiver isNil ifTrue:[
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((m := con sender method) notNil and:[m isJavaMethod]) ifTrue:[
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JavaVM throwNullPointerException.
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AbortSignal raise.
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"/ ex proceed.
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]
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].
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ex reject.
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]
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do:[
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"/ Transcript showCR:(Timestamp now printString , 'start thread: ', stProcess name).
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javaThreadObject perform:#'run()V'.
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(Smalltalk at:#'JavaVM:ThreadTrace') == true ifTrue:[
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('JAVA: thread ' , javaProcess name , ' terminated') infoPrintCR.
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].
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javaThreadObject perform:#'exit()V'.
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(Smalltalk at:#'JavaVM:ThreadTrace') == true ifTrue:[
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('JAVA: after exit of thread ' , javaProcess name) infoPrintCR.
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]
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]
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]
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] ensure:[
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|monitors|
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monitors := (Smalltalk at:#'JavaVM:EnteredMonitorsPerProcess')
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at:javaProcess
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ifAbsent:nil.
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monitors notNil ifTrue:[
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monitors do:[:obj |
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|mon|
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mon := JavaVM monitorFor:obj.
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mon notNil ifTrue:[
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mon owningProcess == javaProcess ifTrue:[
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('JAVA: release monitor owned by dying thread: ' , javaProcess name)
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infoPrintCR.
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self breakPoint: #jv.
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mon exit
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].
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].
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].
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(Smalltalk at:#'JavaVM:EnteredMonitorsPerProcess') removeKey:javaProcess.
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javaProcess == (Smalltalk at:#'JavaVM:JavaScreenUpdaterThread') ifTrue:[
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Smalltalk at:#'JavaVM:JavaScreenUpdaterThread' put:nil.
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].
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javaProcess == (Smalltalk at:#'JavaVM:JavaEventQueueThread') ifTrue:[
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Smalltalk at:#'JavaVM:JavaEventQueueThread' put:nil.
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].
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"/ screenUpdaterClass := Java at:'sun.awt.ScreenUpdater'.
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"/ screenUpdaterClass notNil ifTrue:[
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"/ screenUpdaterClass instVarNamed:'updater' put:nil.
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"/ ].
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].
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Java threads removeKey:javaThreadObject ifAbsent:[].
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]
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]
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752
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"Created: / 15-12-2010 / 11:06:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!JavaProcess class methodsFor:'documentation'!
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version
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^ '$Id$'
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!
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version_SVN
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^ '$Id$'
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! !
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