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52
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"
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COPYRIGHT (c) 1993 by Claus Gittinger
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All Rights Reserved
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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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"
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85
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'From Smalltalk/X, Version:2.10.5 on 24-mar-1995 at 11:25:51 am'!
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View subclass:#ProcessMonitor
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instanceVariableNames:'listView processes listUpdateDelay updateDelay updateBlock
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listUpdateBlock updateProcess hideDead runColor suspendedColor
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waitColor cpuUsages'
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45
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classVariableNames:''
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poolDictionaries:''
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category:'Interface-Tools'
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!
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!ProcessMonitor class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1993 by Claus Gittinger
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All Rights Reserved
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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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"
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!
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version
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"
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85
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$Header: /cvs/stx/stx/libtool/ProcessMonitor.st,v 1.8 1995-03-25 22:24:39 claus Exp $
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52
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"
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!
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documentation
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"
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This view shows smalltalks (light-weight) processes, and also offers
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a popup menu for various useful operations on them.
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Especially 'debug' is useful, to see what a process is currently
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doing.
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85
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The information shown is:
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id - the numeric id of the process
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name - the name (if any) of the process
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(the name has no semantic meaning; it exists for the processMonitor only)
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state - what is it doing;
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wait - waiting on a semaphore
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eventWait - waiting on a view-event semaphore
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ioWait - waiting on an io-semaphore
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timeWait - waiting for a time-semaphore
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run - run, but currently not scheduled
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active - really running (this info is useless, since at
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update time, its always the update process which is
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running)
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suspended - suspended; not waiting on a semaphore
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light - not yet started (i.e. has no stack yet)
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prio - the processes priority (1..30)
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usedStack - the current stack use
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totalStack - the stack currently allocated (i.e. the maximum ever needed)
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"
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! !
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!ProcessMonitor class methodsFor:'defaults'!
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defaultLabel
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^ 'Process Monitor'
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!
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defaultIcon
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|i|
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i := Image fromFile:'bitmaps/ProcMon.xbm'.
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i notNil ifTrue:[^ i].
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^ StandardSystemView defaultIcon
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! !
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!ProcessMonitor class methodsFor:'startup'!
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open
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|top monitor|
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top := StandardSystemView new.
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monitor := self origin:0.0@0.0 corner:1.0@1.0 in:top.
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top extent:monitor preferedExtent.
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top label:self defaultLabel.
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top icon:self defaultIcon.
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top open
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"
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ProcessMonitor open
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"
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! !
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!ProcessMonitor methodsFor:'drawing'!
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titleLine
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"/ ^ 'id name cpu state prio usedStack totalStack'.
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^ 'id name state prio usedStack totalStack'.
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!
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updateList
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"update list of processes"
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|newList|
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shown ifTrue:[
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(Smalltalk at:#SystemDebugging ifAbsent:[false]) ifTrue:[
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newList := Process allInstances.
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] ifFalse:[
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newList := ProcessorScheduler knownProcesses asOrderedCollection.
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].
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"sort by id - take care of nil ids of dead processes"
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newList sort:[:p1 :p2 |
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|id1 id2|
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(p1 isNil or:[(id1 := p1 id) isNil])
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ifTrue:[true]
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ifFalse:[
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(p2 isNil or:[(id2 := p2 id) isNil])
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ifTrue:[false]
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ifFalse:[id1 < id2]
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]
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].
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newList ~= processes ifTrue:[
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processes := WeakArray withAll:newList.
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self updateStatus
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].
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].
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updateBlock notNil ifTrue:[
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Processor removeTimedBlock:listUpdateBlock.
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Processor addTimedBlock:listUpdateBlock afterSeconds:listUpdateDelay
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].
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!
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updateStatus
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"update status display of processes"
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|oldList list line dIndex con interrupted|
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shown ifTrue:[
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oldList := listView list.
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processes notNil ifTrue:[
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list := OrderedCollection new.
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list add:self titleLine.
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list add:(String new:self titleLine size withAll:$-).
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interrupted := Processor interruptedProcess.
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dIndex := 1.
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1 to:processes size do:[:index |
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|aProcess nm st c n|
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aProcess := processes at:index.
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aProcess notNil ifTrue:[
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(aProcess id notNil or:[hideDead not]) ifTrue:[
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line := aProcess id printStringPaddedTo:5.
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(nm := aProcess name) isNil ifFalse:[
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nm := nm printString
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] ifTrue:[
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nm := ' '
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].
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nm size >= 29 ifTrue:[
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nm := (nm contractTo:28) , ' '
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] ifFalse:[
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nm := (nm printStringPaddedTo:29).
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].
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line := line , nm.
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"/ n := cpuUsages at:(aProcess id) ifAbsent:[0].
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"/ n ~~ 0 ifTrue:[
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"/ line := line , ((n * 4) printStringLeftPaddedTo:3)
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"/ ] ifFalse:[
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"/ line := line , ' '
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"/ ].
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st := aProcess state.
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(st == #run
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and:[aProcess == interrupted]) ifTrue:[
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c := ' *'.
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] ifFalse:[
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c := ' '.
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].
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line := line , c , (st printStringPaddedTo:9).
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line := line , (aProcess priority printStringLeftPaddedTo:3).
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line := line , (aProcess usedStackSize printStringLeftPaddedTo:11).
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line := line , (aProcess totalStackSize printStringLeftPaddedTo:10).
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line := line , '(' , aProcess numberOfStackSegments printString , ')'.
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(Smalltalk at:#SystemDebugging ifAbsent:[false]) ifTrue:[
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con := aProcess suspendedContext.
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con isNil ifTrue:[
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aProcess == Processor activeProcess ifTrue:[
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con := thisContext
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]
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].
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con notNil ifTrue:[
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line := line , ' '.
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line := line , ((ObjectMemory addressOf:con) printStringRadix:16).
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line := line , ' .. '.
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[con sender notNil] whileTrue:[
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con := con sender
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].
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line := line , ((ObjectMemory addressOf:con) printStringRadix:16).
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]
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].
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list add:line.
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processes at:dIndex put:aProcess.
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dIndex := dIndex + 1
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]
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].
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].
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dIndex to:processes size do:[:index |
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processes at:index put:nil
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]
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].
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"avoid flicker"
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(oldList notNil and:[oldList size == list size]) ifTrue:[
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list keysAndValuesDo:[:idx :entry |
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(oldList at:idx) ~= entry ifTrue:[
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listView at:idx put:entry
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]
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]
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] ifFalse:[
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listView setList:list.
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"the first two entries cannot be selected"
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listView attributeAt:1 put:#disabled.
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listView attributeAt:2 put:#disabled.
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]
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].
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updateBlock notNil ifTrue:[
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Processor removeTimedBlock:updateBlock.
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Processor addTimedBlock:updateBlock afterSeconds:updateDelay
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]
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!
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updateView
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self updateList.
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self updateStatus
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! !
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!ProcessMonitor methodsFor:'initialization'!
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initialize
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|v menu|
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super initialize.
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258 |
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hideDead := true.
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v := ScrollableView for:SelectionInListView in:self.
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v origin:0.0@0.0 corner:1.0@1.0.
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85
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263 |
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"/ self extent:(font widthOf:self titleLine) + v scrollBar width @ 100.
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265 |
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listView := v scrolledView.
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listView font:font.
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listView model:self; menu:#processMenu.
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listView multipleSelectOk:true.
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listView keyboardHandler:self.
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272 |
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updateDelay := 0.5.
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listUpdateDelay := 5.
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45
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"/ true
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ProcessorScheduler isPureEventDriven
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ifTrue:[
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updateBlock := [self updateStatus].
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listUpdateBlock := [self updateList].
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].
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45
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device hasColors ifTrue:[
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runColor := Color green.
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suspendedColor := Color yellow.
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waitColor := Color red.
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19
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] ifFalse:[
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runColor := suspendedColor := waitColor := Color black
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]
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290 |
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45
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"
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292 |
ProcessMonitor open
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293 |
"
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19
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!
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295 |
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85
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mapped
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super mapped.
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self updateStatus.
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self updateList.
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!
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301 |
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realize
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303 |
super realize.
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45
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304 |
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19
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updateBlock notNil ifTrue:[
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85
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Processor addTimedBlock:updateBlock afterSeconds:updateDelay.
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307 |
Processor addTimedBlock:listUpdateBlock afterSeconds:listUpdateDelay.
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19
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] ifFalse:[
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85
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309 |
updateProcess := [
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310 |
Process terminateSignal handle:[:ex |
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311 |
updateProcess := nil
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312 |
] do:[
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313 |
|id cnt|
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56
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314 |
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85
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315 |
"
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316 |
every 20ms, we look which process runs;
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317 |
every half second, the status is updated.
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318 |
every 5 seconds, the list of processes is
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319 |
built up again
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320 |
"
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321 |
[true] whileTrue:[
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322 |
1 to:9 do:[:i |
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323 |
"/ cpuUsages := IdentityDictionary new.
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324 |
"/ 1 to:25 do:[:i |
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325 |
"/ (Delay forSeconds:0.02) wait.
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326 |
"/ id := Processor interruptedProcess id.
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327 |
"/ cnt := cpuUsages at:id ifAbsent:[0].
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328 |
"/ cpuUsages at:id put:cnt + 1.
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329 |
"/ ].
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330 |
(Delay forSeconds:0.5) wait.
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331 |
self updateStatus.
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332 |
].
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333 |
(Delay forSeconds:0.5) wait.
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334 |
self updateList.
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335 |
]
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336 |
]
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337 |
] forkAt:(Processor userSchedulingPriority + 1).
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338 |
updateProcess name:'monitor [' ,
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339 |
Processor activeProcess id printString ,
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340 |
'] update'.
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341 |
"
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342 |
raise my own priority
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343 |
"
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344 |
Processor activeProcess priority:(Processor userSchedulingPriority + 2)
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19
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345 |
].
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45
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346 |
waitColor := waitColor on:device.
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347 |
runColor := runColor on:device.
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19
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348 |
suspendedColor := suspendedColor on:device.
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349 |
! !
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350 |
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45
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351 |
!ProcessMonitor methodsFor:'private'!
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352 |
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353 |
selectedProcessesDo:aBlock
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354 |
|p nr sel|
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355 |
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356 |
sel := listView selection.
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357 |
sel isNil ifTrue:[^ self].
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358 |
(sel isKindOf:Collection) ifTrue:[
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85
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359 |
sel do:[:n |
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360 |
nr := n - 2. "for headlines"
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|
361 |
nr notNil ifTrue:[
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362 |
nr > 0 ifTrue:[
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|
363 |
p := processes at:nr.
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364 |
p notNil ifTrue:[
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|
365 |
aBlock value:p
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366 |
]
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367 |
]
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368 |
]
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369 |
]
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45
|
370 |
] ifFalse:[
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85
|
371 |
nr := sel - 2. "for headlines"
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|
372 |
nr notNil ifTrue:[
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373 |
nr > 0 ifTrue:[
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374 |
p := processes at:nr.
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375 |
p notNil ifTrue:[
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376 |
aBlock value:p
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377 |
]
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378 |
]
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379 |
]
|
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45
|
380 |
].
|
|
58
|
381 |
!
|
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|
382 |
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383 |
selectedProcessesSend:aSelector
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|
384 |
self selectedProcessesDo:[:p |
|
|
85
|
385 |
p perform:aSelector
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|
386 |
].
|
|
|
387 |
self updateView.
|
|
45
|
388 |
! !
|
|
|
389 |
|
|
19
|
390 |
!ProcessMonitor methodsFor:'menu actions'!
|
|
|
391 |
|
|
85
|
392 |
terminateProcess
|
|
|
393 |
self selectedProcessesSend:#terminate
|
|
19
|
394 |
!
|
|
|
395 |
|
|
|
396 |
debugProcess
|
|
|
397 |
self selectedProcessesDo:[:p |
|
|
|
398 |
Debugger openOn:p
|
|
|
399 |
]
|
|
85
|
400 |
!
|
|
19
|
401 |
|
|
85
|
402 |
hideDead:aBoolean
|
|
|
403 |
hideDead := aBoolean
|
|
|
404 |
!
|
|
58
|
405 |
|
|
|
406 |
abortProcess
|
|
19
|
407 |
self selectedProcessesDo:[:p |
|
|
58
|
408 |
p interruptWith:[AbortSignal raise]
|
|
19
|
409 |
]
|
|
85
|
410 |
!
|
|
19
|
411 |
|
|
85
|
412 |
inspectProcess
|
|
|
413 |
self selectedProcessesSend:#inspect
|
|
|
414 |
!
|
|
19
|
415 |
|
|
|
416 |
resumeProcess
|
|
58
|
417 |
self selectedProcessesSend:#resume
|
|
85
|
418 |
!
|
|
|
419 |
|
|
|
420 |
processMenu
|
|
|
421 |
|labels selectors m|
|
|
|
422 |
|
|
|
423 |
labels := resources array:#(
|
|
|
424 |
"/ hideDead functionality no longer needed;
|
|
|
425 |
"/ since ProcSched knownProcesses only returns living ones
|
|
|
426 |
"/
|
|
|
427 |
"/ '\c hide dead'
|
|
|
428 |
"/ '-'
|
|
|
429 |
'inspect'
|
|
|
430 |
'debug'
|
|
|
431 |
'-'
|
|
|
432 |
'resume'
|
|
|
433 |
'suspend'
|
|
|
434 |
'abort'
|
|
|
435 |
'terminate'
|
|
|
436 |
'-'
|
|
|
437 |
'raise prio'
|
|
|
438 |
'lower prio'
|
|
|
439 |
).
|
|
|
440 |
selectors := #(
|
|
|
441 |
"/ hideDead:
|
|
|
442 |
"/ nil
|
|
|
443 |
inspectProcess
|
|
|
444 |
debugProcess
|
|
|
445 |
nil
|
|
|
446 |
resumeProcess
|
|
|
447 |
suspendProcess
|
|
|
448 |
abortProcess
|
|
|
449 |
terminateProcess
|
|
|
450 |
nil
|
|
|
451 |
raisePrio
|
|
|
452 |
lowerPrio
|
|
|
453 |
).
|
|
|
454 |
|
|
|
455 |
updateProcess isNil ifTrue:[
|
|
|
456 |
labels := (resources array:#('update' '-')) , labels.
|
|
|
457 |
selectors := #(updateView nil) , selectors
|
|
|
458 |
].
|
|
|
459 |
|
|
|
460 |
m := PopUpMenu labels:labels
|
|
|
461 |
selectors:selectors.
|
|
|
462 |
|
|
|
463 |
"/ m checkToggleAt:#hideDead: put:hideDead.
|
|
|
464 |
|
|
|
465 |
^ m
|
|
|
466 |
!
|
|
19
|
467 |
|
|
|
468 |
suspendProcess
|
|
58
|
469 |
self selectedProcessesSend:#suspend
|
|
85
|
470 |
!
|
|
45
|
471 |
|
|
|
472 |
raisePrio
|
|
|
473 |
self selectedProcessesDo:[:p |
|
|
|
474 |
p priority:(p priority + 1)
|
|
|
475 |
]
|
|
85
|
476 |
!
|
|
45
|
477 |
|
|
|
478 |
lowerPrio
|
|
|
479 |
self selectedProcessesDo:[:p |
|
|
|
480 |
p priority:(p priority - 1)
|
|
|
481 |
]
|
|
19
|
482 |
! !
|
|
|
483 |
|
|
85
|
484 |
!ProcessMonitor methodsFor:'destroying'!
|
|
|
485 |
|
|
|
486 |
destroy
|
|
|
487 |
updateBlock notNil ifTrue:[
|
|
|
488 |
Processor removeTimedBlock:updateBlock.
|
|
|
489 |
Processor removeTimedBlock:listUpdateBlock.
|
|
|
490 |
] ifFalse:[
|
|
|
491 |
updateProcess notNil ifTrue:[updateProcess terminate]
|
|
|
492 |
].
|
|
|
493 |
super destroy
|
|
|
494 |
! !
|
|
|
495 |
|
|
|
496 |
!ProcessMonitor methodsFor:'queries'!
|
|
|
497 |
|
|
|
498 |
preferedExtent
|
|
|
499 |
^ (font widthOf:self titleLine) + 40 @ 100
|
|
|
500 |
! !
|
|
|
501 |
|
|
19
|
502 |
!ProcessMonitor methodsFor:'events'!
|
|
|
503 |
|
|
|
504 |
canHandle:key
|
|
|
505 |
^ key == #InspectIt
|
|
|
506 |
!
|
|
|
507 |
|
|
|
508 |
keyPress:key x:x y:y
|
|
|
509 |
key == #InspectIt ifTrue:[
|
|
45
|
510 |
^ self inspectProcess.
|
|
19
|
511 |
].
|
|
|
512 |
^ super keyPress:key x:x y:y
|
|
|
513 |
! !
|
|
|
514 |
|