author | vranyj1 |
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branch | jk_new_structure |
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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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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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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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"{ 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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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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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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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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" |
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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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Logger log: ('thread ' , procName , ' aborted - restarting process.') severity: #info facility: 'JVM'. |
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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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Logger log: ('thread ' , procName , ' aborted - restarting process.') severity: #info facility: 'JVM'. |
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ex restart |
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] ifFalse:[ |
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Logger log:('thread ' , procName , ' aborted.') severity: #info facility: 'JVM'. |
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] |
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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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Logger log: ('thread ' , procName , ' terminated') severity: #info facility: 'JVM'. |
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] ifFalse:[ |
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Logger log: |
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('JAVA: thread ''' , procName , ''' terminated with exception: ' |
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, exClass name) severity: #info facility: 'JVM'. |
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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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Logger log: ('thread ' , javaProcess name , ' terminated') severity: #info facility: 'JVM'. |
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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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Logger log: ('after exit of thread ' , javaProcess name) severity: #info facility: 'JVM'. |
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] |
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] |
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] |
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] ensure:[ |
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JavaVM releaseMonitorsOfProcess: 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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Java threads removeKey:javaThreadObject ifAbsent:[]. |
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] |
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] |
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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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! ! |