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Re: suspend hack [was LinkedList>>offList]

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Nicolas Cellier
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Re: suspend hack [was LinkedList>>offList]

Nicolas Cellier
Oh, there is this funny implementation of suspend:

UndefinedObject>>#suspend
        "Kills off processes that didn't terminate properly"
        "Display reverse; reverse."  "<-- So we can catch the suspend bug"
        Processor terminateActive

who could tell if this piece of code is really required... It sounds
hackish to me.

Nicolas

2009/12/23 Nicolas Cellier <[hidden email]>:

> In trunk, offList has been deprecated and has no senders:
> offList
>        "OBSOLETE. Process>>suspend will atomically reset myList if the
> process is suspended.
>        There should never be a need to send #offList but some older users
> may not be aware
>        of the changed semantics to suspend and may try the old hickadidoo seen here:
>
>                (suspendingList := process suspendingList) == nil
>                        ifTrue: [process == Processor activeProcess ifTrue: [process suspend]]
>                        ifFalse: [suspendingList remove: process ifAbsent:[].
>                                        process offList].
>
>        Usages like the above should be replaced by a simple 'process suspend' "
>        myList := nil
>
> In Pharo too, but still has one sender.
> The problem is that suspend now return the list, not the process, so
> harvesting of Andreas changes were incomplete... You should remove
> offList and try merging a recent trunk Kernel.
>
> Nicolas
>
> 2009/12/23 Stéphane Ducasse <[hidden email]>:
>> This is strange
>> I did not get the time to look at it but I got a deep recursion in MC which stressed the low space
>> and ended up in this crash
>>
>> Stef
>>
>> ------------------------------------------------------------
>>
>> THERE_BE_DRAGONS_HERE
>> MessageNotUnderstood: LinkedList>>offList
>> 23 December 2009 8:56:10 pm
>>
>> VM: Mac OS - intel - 1062 - Squeak3.8.1 of '28 Aug 2006' [latest update: #6747] Squeak VM 4.2.2b1
>> Image: PharoCore1.1ALPHA [Latest update: #11112]
>>
>> SecurityManager state:
>> Restricted: false
>> FileAccess: true
>> SocketAccess: true
>> Working Dir /Users/ducasse/Workspace/FirstCircle/ActiveResearch/Pharo/Pharo
>> Trusted Dir /foobar/tooBar/forSqueak/bogus
>> Untrusted Dir /Users/ducasse/Library/Preferences/Squeak/Internet/My Squeak
>>
>> LinkedList(Object)>>doesNotUnderstand: #offList
>>        Receiver: a LinkedList()
>>        Arguments and temporary variables:
>>                aMessage:       offList
>>                exception:      MessageNotUnderstood: LinkedList>>offList
>>                resumeValue:    nil
>>        Receiver's instance variables:
>>                firstLink:      nil
>>                lastLink:       nil
>>
>> Project class>>interruptName:preemptedProcess:
>>        Receiver: Project
>>        Arguments and temporary variables:
>>                labelString:    'Space is low'
>>                theInterruptedProcess:  a Process in ByteString(Object)>>shallowCopy
>>                preemptedProcess:       a Process in ByteString(Object)>>shallowCopy
>>                projectProcess:         a Process in ByteString(Object)>>shallowCopy
>>        Receiver's instance variables:
>>                superclass:     Model
>>                methodDict:     a MethodDictionary(#changeSet->(Project>>#changeSet "a CompiledMeth...etc...
>>                format:         170
>>                instanceVariables:      #('world' 'changeSet' 'transcript' 'parentProject' 'previous...etc...
>>                organization:   ('*Polymorph-Widgets' createTaskbarIfNecessary moveCollapsedWindo...etc...
>>                subclasses:     nil
>>                name:   #Project
>>                classPool:      a Dictionary(#AllProjects->an OrderedCollection(a Project) #CurrentP...etc...
>>                sharedPools:    nil
>>                environment:    Smalltalk
>>                category:       #'System-Support'
>>                traitComposition:       {}
>>                localSelectors:         nil
>>
>> SystemDictionary>>lowSpaceWatcher
>>        Receiver: Smalltalk
>>        Arguments and temporary variables:
>>                free:   nil
>>                preemptedProcess:       a Process in ByteString(Object)>>shallowCopy
>>        Receiver's instance variables:
>>                tally:  1817
>>                array:  an Array(nil nil nil #SystemSettingBrowser->SystemSettingBrowser #EFontB...etc...
>>                cachedClassNames:       nil
>>
>> [] in SystemDictionary>>installLowSpaceWatcher
>>        Receiver: Smalltalk
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>>                tally:  1817
>>                array:  an Array(nil nil nil #SystemSettingBrowser->SystemSettingBrowser #EFontB...etc...
>>                cachedClassNames:       nil
>>
>> [] in BlockClosure>>newProcess
>>        Receiver: [closure] in SystemDictionary>>installLowSpaceWatcher
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>>                outerContext:   SystemDictionary>>installLowSpaceWatcher
>>                startpc:        65
>>                numArgs:        0
>>
>>
>> --- The full stack ---
>> LinkedList(Object)>>doesNotUnderstand: #offList
>> Project class>>interruptName:preemptedProcess:
>> SystemDictionary>>lowSpaceWatcher
>> [] in SystemDictionary>>installLowSpaceWatcher
>> [] in BlockClosure>>newProcess
>> ------------------------------------------------------------
>>
>> THERE_BE_DRAGONS_HERE
>> User Interrupt
>> 23 December 2009 8:56:19 pm
>>
>> VM: Mac OS - intel - 1062 - Squeak3.8.1 of '28 Aug 2006' [latest update: #6747] Squeak VM 4.2.2b1
>> Image: PharoCore1.1ALPHA [Latest update: #11112]
>>
>> SecurityManager state:
>> Restricted: false
>> FileAccess: true
>> SocketAccess: true
>> Working Dir /Users/ducasse/Workspace/FirstCircle/ActiveResearch/Pharo/Pharo
>> Trusted Dir /foobar/tooBar/forSqueak/bogus
>> Untrusted Dir /Users/ducasse/Library/Preferences/Squeak/Internet/My Squeak
>>
>> ByteString(Object)>>shallowCopy
>>        Receiver: 'Collections-Sequenceable'
>>        Arguments and temporary variables:
>>                class:  nil
>>                newObject:      nil
>>                index:  nil
>>        Receiver's instance variables:
>> 'Collections-Sequenceable'
>> ByteString(Object)>>copy
>>        Receiver: 'Collections-Sequenceable'
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>> 'Collections-Sequenceable'
>> ByteString(String)>>asLowercase
>>        Receiver: 'Collections-Sequenceable'
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>> 'Collections-Sequenceable'
>> MCPackage>>hash
>>        Receiver: a MCPackage(Collections-Sequenceable)
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>>                name:   'Collections-Sequenceable'
>>
>> Dictionary>>scanFor:
>>        Receiver: a Dictionary(size 103)
>>        Arguments and temporary variables:
>>                anObject:       a MCPackage(Collections-Sequenceable)
>>                element:        nil
>>                start:  nil
>>                finish:         234
>>                index:  nil
>>                index:  nil
>>                indexLimiT:     nil
>>        Receiver's instance variables:
>>                tally:  103
>>                array:  an Array(nil nil nil nil a MCPackage(Tests)->a MCWorkingCopy(Tests) nil ...etc...
>>
>> Dictionary(Set)>>findElementOrNil:
>>        Receiver: a Dictionary(size 103)
>>        Arguments and temporary variables:
>>                anObject:       a MCPackage(Collections-Sequenceable)
>>                index:  nil
>>        Receiver's instance variables:
>>                tally:  103
>>                array:  an Array(nil nil nil nil a MCPackage(Tests)->a MCWorkingCopy(Tests) nil ...etc...
>>
>> Dictionary>>at:ifAbsent:
>>        Receiver: a Dictionary(size 103)
>>        Arguments and temporary variables:
>>                key:    a MCPackage(Collections-Sequenceable)
>>                aBlock:         [closure] in MCWorkingCopy class(MCPackageManager class)>>forPackage:
>>                assoc:  nil
>>        Receiver's instance variables:
>>                tally:  103
>>                array:  an Array(nil nil nil nil a MCPackage(Tests)->a MCWorkingCopy(Tests) nil ...etc...
>>
>> MCWorkingCopy class(MCPackageManager class)>>forPackage:
>>        Receiver: MCWorkingCopy
>>        Arguments and temporary variables:
>>                aPackage:       a MCPackage(Collections-Sequenceable)
>>        Receiver's instance variables:
>>                superclass:     MCPackageManager
>>                methodDict:     a MethodDictionary(#adopt:->(MCWorkingCopy>>#adopt: "a CompiledMeth...etc...
>>                format:         144
>>                instanceVariables:      #('versionInfo' 'ancestry' 'counter' 'repositoryGroup' 'requ...etc...
>>                organization:   ('*scriptloader' theCachedRepository)
>> ('accessing' ancestors ance...etc...
>>                subclasses:     nil
>>                name:   #MCWorkingCopy
>>                classPool:      nil
>>                sharedPools:    nil
>>                environment:    Smalltalk
>>                category:       #'Monticello-Versioning'
>>                traitComposition:       nil
>>                localSelectors:         nil
>>                registry:       a Dictionary(size 103)
>>
>> MCPackage>>workingCopy
>>        Receiver: a MCPackage(Collections-Sequenceable)
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>>                name:   'Collections-Sequenceable'
>>
>> [] in MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>                ea:     a MCPackage(Collections-Sequenceable)
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         a MCPackage(Collections-Sequenceable)
>>                each:   [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection>>do:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in OrderedCollection(Collection)>>anySatisfy:
>>                index:  3
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>                ea:     a MCPackage(SLICE-SortBlock)
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         a MCPackage(SLICE-SortBlock)
>>                each:   [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection>>do:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in OrderedCollection(Collection)>>anySatisfy:
>>                index:  4
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>                ea:     a MCPackage(SLICE-SortBlock)
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         a MCPackage(SLICE-SortBlock)
>>                each:   [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection>>do:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in OrderedCollection(Collection)>>anySatisfy:
>>                index:  4
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>                ea:     a MCPackage(SLICE-SortBlock)
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         a MCPackage(SLICE-SortBlock)
>>                each:   [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection>>do:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in OrderedCollection(Collection)>>anySatisfy:
>>                index:  4
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>                ea:     a MCPackage(SLICE-SortBlock)
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         a MCPackage(SLICE-SortBlock)
>>                each:   [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection>>do:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in OrderedCollection(Collection)>>anySatisfy:
>>                index:  4
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>                ea:     a MCPackage(SLICE-SortBlock)
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>> [] in OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         a MCPackage(SLICE-SortBlock)
>>                each:   [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection>>do:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in OrderedCollection(Collection)>>anySatisfy:
>>                index:  4
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> OrderedCollection(Collection)>>anySatisfy:
>>        Receiver: an OrderedCollection(a MCPackage(Collections-Sequenceable) a MCPackage(SLICE-SortBlock))
>>        Arguments and temporary variables:
>>                aBlock:         [closure] in MCWorkingCopy>>needsSaving
>>        Receiver's instance variables:
>>                array:  an Array(nil nil a MCPackage(Collections-Sequenceable) a MCPackage(SLICE...etc...
>>                firstIndex:     3
>>                lastIndex:      4
>>
>> MCWorkingCopy>>needsSaving
>>        Receiver: a MCWorkingCopy(SLICE-SortBlock)
>>        Arguments and temporary variables:
>>
>>        Receiver's instance variables:
>>                package:        a MCPackage(SLICE-SortBlock)
>>                modified:       false
>>                versionInfo:    nil
>>                ancestry:       a MCWorkingAncestry
>>                counter:        2
>>                repositoryGroup:        a MCRepositoryGroup
>>                requiredPackages:       an OrderedCollection(a MCPackage(Collections-Sequenceable) a ...etc...
>>
>>
>> --- The full stack ---
>> ByteString(Object)>>shallowCopy
>> ByteString(Object)>>copy
>> ByteString(String)>>asLowercase
>> MCPackage>>hash
>> Dictionary>>scanFor:
>> Dictionary(Set)>>findElementOrNil:
>> Dictionary>>at:ifAbsent:
>> MCWorkingCopy class(MCPackageManager class)>>forPackage:
>> MCPackage>>workingCopy
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>>  - - - - - - - - - - - - - - -
>>                        - - - - - - - - - - - - - - - - - -
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> OrderedCollection>>do:
>> OrderedCollection(Collection)>>anySatisfy:
>> MCWorkingCopy>>needsSaving
>> [] in MCWorkingCopy>>needsSaving
>> [] in OrderedCollection(Collection)>>anySatisfy:
>> -- and more not shown --------------------------------------------------------------
>>
>>
>>
>> _______________________________________________
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>

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