[squeak-dev] unloadReloadablePackages
Tobias Pape
Das.Linux at gmx.de
Sun Dec 29 20:13:28 UTC 2013
On 29.12.2013, at 21:02, Frank Shearar <frank.shearar at gmail.com> wrote:
> On 29 December 2013 19:34, Tobias Pape <Das.Linux at gmx.de> wrote:
>> Dear Squeakers
>>
>> I give up.
>> For roughly 6 hours I try to shrink my image using
>> Smalltalk unloadReloadablePackages
>>
>> It simply does not work currently.
>> I have the said trunk image (Squeak4.5-13148#712) (NameVersion-Update#CIJob)
>> but with the obsoletes removed as I explained a few emails ago.
>>
>> But to no avail.
>> * Sometimes (!) ReleaseBuilder retains some obsoletes.
>> (removing the Obsoletes some time later with fixObsoleteReferences works, but
>> mostly not during unload)
>> * same for VersionNumber-bla
>> * SMLoader always retains obsoletes
>> * Services-Base itches itself:
>> When its ServiceRegistry's #isInteractive was unloaded,
>> ServiceRegistry gets called again and calls #isInteractive
>> on its current, resulting in an DNU.
>> Issuing
>> Smalltalk at: #SystemChangeNotifier ifPresent: [:scn | scn
>> uniqueInstance noMoreNotificationsFor: ServiceRegistry].
>> manually works, but not as a #preambleOfRemoval.
>
> So it sounds like some packages' unload/reloads aren't being tested,
> which is why they've now broken. I realise you've now given up :), but
> did your explorations lead you through any #unload implementations?
ServiceRegistry has none, and on my way Exploring, I got confused, when
all this is called. The problem is here:
The unloading works via Monticello with will:
* Create an unloading path by comparing the package to an empty one
* That way, It gets all necessary removal.
* It then carries out the removals.
* However:
* The method removals come first
* then the class removal
* then categories..
The #unload is executed during the class removal phase, which means
that even if ServiceRegistry had an #unload, it won't be triggered
in time. I tried that just now:
* add
ServiceRegistry class>>#unload
1 halt.
Unload ServiceRegistry. > DNU.
>
>> And now I gave up. If someone has, pleas send me a stripped image.
>> Tanks.
>
> If I get anywhere on the problem, you'll be the first to know!
:)
Best
-Tobias
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