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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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143
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'From Smalltalk/X, Version:2.10.7 on 29-sep-1995 at 02:24:01' !
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85
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93
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SimpleView 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 showDetail'
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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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144
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$Header: /cvs/stx/stx/libtool/ProcessMonitor.st,v 1.23 1995-10-23 20:08:21 cg 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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90
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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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90
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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:'ProcMon.xbm'.
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i notNil ifTrue:[^ i].
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85
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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 preferredExtent.
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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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143
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!ProcessMonitor methodsFor:'destroying'!
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destroy
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updateBlock notNil ifTrue:[
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Processor removeTimedBlock:updateBlock.
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Processor removeTimedBlock:listUpdateBlock.
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] ifFalse:[
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updateProcess notNil ifTrue:[updateProcess terminate]
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].
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super destroy
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! !
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!ProcessMonitor methodsFor:'drawing'!
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titleLine
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showDetail ifTrue:[
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143
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^ 'id name state prio usedStack totalStack current-segment switches where'.
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].
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143
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^ 'id name state prio usedStack where'.
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85
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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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showDetail 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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85
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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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90
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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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85
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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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85
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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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110
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|oldList list line dIndex con interrupted plist|
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85
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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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85
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144
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interrupted := Processor interruptedProcess.
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85
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144
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dIndex := 1.
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1 to:processes size do:[:index |
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|aProcess nm st c c0 n found|
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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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85
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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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144
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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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143
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144
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n := aProcess numberOfStackSegments.
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n == 0 ifTrue:[
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con := nil
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] ifFalse:[
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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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].
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showDetail ifTrue:[
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line := line , (aProcess totalStackSize printStringLeftPaddedTo:10).
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line := line , '(' , n printString , ')'.
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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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c := con.
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[c sender notNil] whileTrue:[
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c := c sender
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].
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line := line , ((ObjectMemory addressOf:c) printStringRadix:16).
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] ifFalse:[
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line := line , (String new:20)
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].
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line := line , ' '.
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line := line , (aProcess numberOfStackBoundaryHits printStringLeftPaddedTo:5).
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].
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143
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144
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con notNil ifTrue:[
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"/ search for a semaphore-wait in the top 10 contexts
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found := false.
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c := con.
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1 to:10 do:[:n |
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found ifFalse:[
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c notNil ifTrue:[
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(c receiver isMemberOf:Semaphore) ifTrue:[
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c selector == #wait ifTrue:[
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found := true.
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]
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].
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c := c sender.
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]
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]
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].
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found ifFalse:[
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c := con.
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1 to:10 do:[:n |
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found ifFalse:[
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c notNil ifTrue:[
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(c receiver ~~ Processor) ifTrue:[
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found := true.
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] ifFalse:[
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c := c sender.
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]
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]
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]
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]
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].
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found ifFalse:[
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c := con
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].
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275 |
[c notNil and:[c isBlockContext]] whileTrue:[
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276 |
c := c home
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].
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c notNil ifTrue:[
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n := c receiver class name , '>>' , c selector.
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line := line , ' ' , n
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]
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].
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283 |
list add:line.
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284 |
processes at:dIndex put:aProcess.
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285 |
dIndex := dIndex + 1
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]
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287 |
].
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288 |
].
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289 |
dIndex to:processes size do:[:index |
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290 |
processes at:index put:nil
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291 |
]
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292 |
].
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293 |
"avoid flicker"
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294 |
(oldList notNil and:[oldList size == list size]) ifTrue:[
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295 |
list keysAndValuesDo:[:idx :entry |
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296 |
(oldList at:idx) ~= entry ifTrue:[
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297 |
listView at:idx put:entry
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298 |
]
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299 |
]
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300 |
] ifFalse:[
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301 |
listView setList:list.
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302 |
"the first two entries cannot be selected"
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303 |
listView attributeAt:1 put:#disabled.
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304 |
listView attributeAt:2 put:#disabled.
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305 |
]
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85
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306 |
].
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307 |
updateBlock notNil ifTrue:[
|
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144
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308 |
Processor removeTimedBlock:updateBlock.
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309 |
Processor addTimedBlock:updateBlock afterSeconds:updateDelay
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85
|
310 |
]
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311 |
!
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312 |
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313 |
updateView
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314 |
self updateList.
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315 |
self updateStatus
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19
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316 |
! !
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317 |
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143
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318 |
!ProcessMonitor methodsFor:'events'!
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319 |
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320 |
keyPress:key x:x y:y
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321 |
<resource: #keyboard ( #InspectIt ) >
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322 |
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|
323 |
key == #InspectIt ifTrue:[
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|
324 |
^ self inspectProcess.
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325 |
].
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326 |
^ super keyPress:key x:x y:y
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327 |
!
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328 |
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329 |
canHandle:key
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|
330 |
^ key == #InspectIt
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331 |
! !
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332 |
|
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19
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333 |
!ProcessMonitor methodsFor:'initialization'!
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334 |
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335 |
initialize
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|
107
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336 |
|v|
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19
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337 |
|
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|
338 |
super initialize.
|
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|
339 |
|
|
45
|
340 |
hideDead := true.
|
|
109
|
341 |
showDetail := Smalltalk at:#SystemDebugging ifAbsent:false.
|
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45
|
342 |
|
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110
|
343 |
v := HVScrollableView for:SelectionInListView miniScrollerH:true in:self.
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19
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344 |
v origin:0.0@0.0 corner:1.0@1.0.
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85
|
345 |
|
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|
346 |
"/ self extent:(font widthOf:self titleLine) + v scrollBar width @ 100.
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|
347 |
|
|
19
|
348 |
listView := v scrolledView.
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|
349 |
listView font:font.
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98
|
350 |
listView menuHolder:self; menuPerformer:self; menuMessage:#processMenu.
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45
|
351 |
|
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19
|
352 |
listView multipleSelectOk:true.
|
|
97
|
353 |
listView delegate:(KeyboardForwarder toView:self).
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19
|
354 |
|
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|
355 |
updateDelay := 0.5.
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|
356 |
listUpdateDelay := 5.
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45
|
357 |
|
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|
358 |
"/ true
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|
359 |
ProcessorScheduler isPureEventDriven
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|
360 |
ifTrue:[
|
|
90
|
361 |
updateBlock := [self updateStatus].
|
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|
362 |
listUpdateBlock := [self updateList].
|
|
19
|
363 |
].
|
|
45
|
364 |
|
|
19
|
365 |
device hasColors ifTrue:[
|
|
90
|
366 |
runColor := Color green.
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|
367 |
suspendedColor := Color yellow.
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|
368 |
waitColor := Color red.
|
|
19
|
369 |
] ifFalse:[
|
|
90
|
370 |
runColor := suspendedColor := waitColor := Color black
|
|
19
|
371 |
]
|
|
|
372 |
|
|
45
|
373 |
"
|
|
|
374 |
ProcessMonitor open
|
|
|
375 |
"
|
|
19
|
376 |
!
|
|
|
377 |
|
|
85
|
378 |
mapped
|
|
|
379 |
super mapped.
|
|
|
380 |
self updateStatus.
|
|
|
381 |
self updateList.
|
|
|
382 |
!
|
|
|
383 |
|
|
93
|
384 |
startUpdateProcess
|
|
19
|
385 |
updateBlock notNil ifTrue:[
|
|
90
|
386 |
Processor addTimedBlock:updateBlock afterSeconds:updateDelay.
|
|
|
387 |
Processor addTimedBlock:listUpdateBlock afterSeconds:listUpdateDelay.
|
|
19
|
388 |
] ifFalse:[
|
|
90
|
389 |
updateProcess := [
|
|
|
390 |
Process terminateSignal handle:[:ex |
|
|
|
391 |
updateProcess := nil
|
|
|
392 |
] do:[
|
|
|
393 |
|id cnt|
|
|
56
|
394 |
|
|
90
|
395 |
"
|
|
|
396 |
every 20ms, we look which process runs;
|
|
|
397 |
every half second, the status is updated.
|
|
|
398 |
every 5 seconds, the list of processes is
|
|
|
399 |
built up again
|
|
|
400 |
"
|
|
|
401 |
[true] whileTrue:[
|
|
|
402 |
1 to:9 do:[:i |
|
|
85
|
403 |
"/ cpuUsages := IdentityDictionary new.
|
|
|
404 |
"/ 1 to:25 do:[:i |
|
|
|
405 |
"/ (Delay forSeconds:0.02) wait.
|
|
|
406 |
"/ id := Processor interruptedProcess id.
|
|
|
407 |
"/ cnt := cpuUsages at:id ifAbsent:[0].
|
|
|
408 |
"/ cpuUsages at:id put:cnt + 1.
|
|
|
409 |
"/ ].
|
|
90
|
410 |
(Delay forSeconds:0.5) wait.
|
|
|
411 |
self updateStatus.
|
|
|
412 |
].
|
|
|
413 |
(Delay forSeconds:0.5) wait.
|
|
|
414 |
self updateList.
|
|
|
415 |
]
|
|
|
416 |
]
|
|
|
417 |
] forkAt:(Processor userSchedulingPriority + 1).
|
|
|
418 |
updateProcess name:'monitor [' ,
|
|
|
419 |
Processor activeProcess id printString ,
|
|
|
420 |
'] update'.
|
|
|
421 |
"
|
|
|
422 |
raise my own priority
|
|
|
423 |
"
|
|
|
424 |
Processor activeProcess priority:(Processor userSchedulingPriority + 2)
|
|
19
|
425 |
].
|
|
93
|
426 |
!
|
|
|
427 |
|
|
|
428 |
realize
|
|
|
429 |
super realize.
|
|
45
|
430 |
waitColor := waitColor on:device.
|
|
|
431 |
runColor := runColor on:device.
|
|
19
|
432 |
suspendedColor := suspendedColor on:device.
|
|
93
|
433 |
|
|
|
434 |
self startUpdateProcess.
|
|
19
|
435 |
! !
|
|
|
436 |
|
|
|
437 |
!ProcessMonitor methodsFor:'menu actions'!
|
|
|
438 |
|
|
85
|
439 |
processMenu
|
|
|
440 |
|labels selectors m|
|
|
|
441 |
|
|
109
|
442 |
device ctrlDown ifTrue:[
|
|
110
|
443 |
labels := resources array:#(
|
|
109
|
444 |
'\c detail'
|
|
|
445 |
).
|
|
|
446 |
selectors := #(
|
|
|
447 |
detail
|
|
|
448 |
).
|
|
|
449 |
] ifFalse:[
|
|
|
450 |
labels := resources array:#(
|
|
|
451 |
'inspect'
|
|
|
452 |
'debug'
|
|
|
453 |
'-'
|
|
|
454 |
'resume'
|
|
|
455 |
'suspend'
|
|
|
456 |
'stop'
|
|
|
457 |
'abort'
|
|
|
458 |
'terminate'
|
|
|
459 |
'-'
|
|
|
460 |
'raise prio'
|
|
|
461 |
'lower prio'
|
|
|
462 |
).
|
|
|
463 |
selectors := #(
|
|
|
464 |
inspectProcess
|
|
|
465 |
debugProcess
|
|
|
466 |
nil
|
|
|
467 |
resumeProcess
|
|
|
468 |
suspendProcess
|
|
|
469 |
stopProcess
|
|
|
470 |
abortProcess
|
|
|
471 |
terminateProcess
|
|
|
472 |
nil
|
|
|
473 |
raisePrio
|
|
|
474 |
lowerPrio
|
|
|
475 |
).
|
|
|
476 |
updateProcess isNil ifTrue:[
|
|
|
477 |
labels := (resources array:#('update' '-')) , labels.
|
|
|
478 |
selectors := #(updateView nil) , selectors
|
|
|
479 |
].
|
|
85
|
480 |
].
|
|
|
481 |
|
|
|
482 |
m := PopUpMenu labels:labels
|
|
90
|
483 |
selectors:selectors.
|
|
85
|
484 |
|
|
109
|
485 |
m checkToggleAt:#detail put:showDetail.
|
|
85
|
486 |
^ m
|
|
|
487 |
!
|
|
19
|
488 |
|
|
143
|
489 |
terminateProcess
|
|
|
490 |
"terminate the selected process"
|
|
|
491 |
|
|
|
492 |
self selectedProcessesSend:#terminate
|
|
|
493 |
!
|
|
|
494 |
|
|
|
495 |
hideDead:aBoolean
|
|
|
496 |
hideDead := aBoolean
|
|
|
497 |
!
|
|
|
498 |
|
|
|
499 |
debugProcess
|
|
|
500 |
"open a debugger on the selected process"
|
|
|
501 |
|
|
|
502 |
self selectedProcessesDo:[:p |
|
|
|
503 |
Debugger openOn:p
|
|
|
504 |
]
|
|
|
505 |
!
|
|
|
506 |
|
|
|
507 |
abortProcess
|
|
|
508 |
"abort (raise AbortSignal in) the selected process"
|
|
|
509 |
|
|
|
510 |
self selectedProcessesDo:[:p |
|
|
|
511 |
p interruptWith:[AbortSignal raise]
|
|
|
512 |
]
|
|
|
513 |
!
|
|
|
514 |
|
|
|
515 |
inspectProcess
|
|
|
516 |
"open an inspector on the selected process"
|
|
|
517 |
|
|
|
518 |
self selectedProcessesSend:#inspect
|
|
|
519 |
!
|
|
|
520 |
|
|
|
521 |
detail
|
|
|
522 |
showDetail := showDetail not.
|
|
|
523 |
self updateView
|
|
|
524 |
!
|
|
|
525 |
|
|
|
526 |
resumeProcess
|
|
|
527 |
"resume the selected process (i.e. let it run) "
|
|
|
528 |
|
|
|
529 |
self selectedProcessesSend:#resume
|
|
|
530 |
!
|
|
|
531 |
|
|
92
|
532 |
stopProcess
|
|
|
533 |
"stop the selected process - not even interrupts will wake it up"
|
|
|
534 |
|
|
|
535 |
self selectedProcessesSend:#stop
|
|
|
536 |
!
|
|
|
537 |
|
|
19
|
538 |
suspendProcess
|
|
92
|
539 |
"suspend the selected process - interrupts will let it run again"
|
|
|
540 |
|
|
58
|
541 |
self selectedProcessesSend:#suspend
|
|
85
|
542 |
!
|
|
45
|
543 |
|
|
|
544 |
raisePrio
|
|
92
|
545 |
"raise the selected processes priority"
|
|
|
546 |
|
|
45
|
547 |
self selectedProcessesDo:[:p |
|
|
|
548 |
p priority:(p priority + 1)
|
|
|
549 |
]
|
|
85
|
550 |
!
|
|
45
|
551 |
|
|
|
552 |
lowerPrio
|
|
92
|
553 |
"lower the selected processes priority"
|
|
|
554 |
|
|
45
|
555 |
self selectedProcessesDo:[:p |
|
|
|
556 |
p priority:(p priority - 1)
|
|
|
557 |
]
|
|
19
|
558 |
! !
|
|
|
559 |
|
|
143
|
560 |
!ProcessMonitor methodsFor:'private'!
|
|
|
561 |
|
|
|
562 |
selectedProcessesDo:aBlock
|
|
|
563 |
|p nr sel|
|
|
85
|
564 |
|
|
143
|
565 |
sel := listView selection.
|
|
|
566 |
sel isNil ifTrue:[^ self].
|
|
|
567 |
(sel isKindOf:Collection) ifTrue:[
|
|
|
568 |
sel do:[:n |
|
|
|
569 |
nr := n - 2. "for headlines"
|
|
|
570 |
nr notNil ifTrue:[
|
|
|
571 |
nr > 0 ifTrue:[
|
|
|
572 |
p := processes at:nr.
|
|
|
573 |
p notNil ifTrue:[
|
|
|
574 |
aBlock value:p
|
|
|
575 |
]
|
|
|
576 |
]
|
|
|
577 |
]
|
|
|
578 |
]
|
|
85
|
579 |
] ifFalse:[
|
|
143
|
580 |
nr := sel - 2. "for headlines"
|
|
|
581 |
nr notNil ifTrue:[
|
|
|
582 |
nr > 0 ifTrue:[
|
|
|
583 |
p := processes at:nr.
|
|
|
584 |
p notNil ifTrue:[
|
|
|
585 |
aBlock value:p
|
|
|
586 |
]
|
|
|
587 |
]
|
|
|
588 |
]
|
|
85
|
589 |
].
|
|
143
|
590 |
!
|
|
|
591 |
|
|
|
592 |
selectedProcessesSend:aSelector
|
|
|
593 |
self selectedProcessesDo:[:p |
|
|
|
594 |
p perform:aSelector
|
|
|
595 |
].
|
|
|
596 |
self updateView.
|
|
85
|
597 |
! !
|
|
|
598 |
|
|
|
599 |
!ProcessMonitor methodsFor:'queries'!
|
|
|
600 |
|
|
105
|
601 |
preferredExtent
|
|
85
|
602 |
^ (font widthOf:self titleLine) + 40 @ 100
|
|
|
603 |
! !
|