OSProcess in Cog

>
> I am trying to load and run OSProcess in Cog.  I loaded:
>
>    OSProcess-Base
>    OSProcess-AIO
>    OSProcess-Win32
>    OSProcess-Unix
>    OSProcess-Tests
>
> Then ran the tests.  Many failures.
>
> I looked at the vm and there is no ProcessPlugin or OSProcessPlugin.  
> Should there be?

>
> On Sun, Jul 25, 2010 at 10:59:04AM -0400, Rob Withers wrote:
>>
>> I am trying to load and run OSProcess in Cog.  I loaded:
>>
>>    OSProcess-Base
>>    OSProcess-AIO
>>    OSProcess-Win32
>>    OSProcess-Unix
>>    OSProcess-Tests
>>
>> Then ran the tests.  Many failures.
>>
>> I looked at the vm and there is no ProcessPlugin or OSProcessPlugin.
>> Should there be?
>
> OSProcess will not work without the OSProcessPlugin. AFAIK no one has
> tried this yet (including me - sorry I've been quite busy lately).
>

>
> --------------------------------------------------
> From: "David T. Lewis" <[hidden email]>
> Sent: Sunday, July 25, 2010 11:58 AM
> To: "Squeak Virtual Machine Development Discussion"
> <[hidden email]>
> Cc: "Squeak Dev" <[hidden email]>
> Subject: Re: [Vm-dev] OSProcess in Cog
>
> >
> >On Sun, Jul 25, 2010 at 10:59:04AM -0400, Rob Withers wrote:
> >>
> >>I am trying to load and run OSProcess in Cog.  I loaded:
> >>
> >>   OSProcess-Base
> >>   OSProcess-AIO
> >>   OSProcess-Win32
> >>   OSProcess-Unix
> >>   OSProcess-Tests
> >>
> >>Then ran the tests.  Many failures.
> >>
> >>I looked at the vm and there is no ProcessPlugin or OSProcessPlugin.
> >>Should there be?
> >
> >OSProcess will not work without the OSProcessPlugin. AFAIK no one has
> >tried this yet (including me - sorry I've been quite busy lately).
> >
>
> What about the AIOPlugin?

> >>What should I do?
> >
> >If you are compiling your own COG VM, then load OSProcessPlugin from
> >SqueakSource and give it a try. But just to set expectations, I will
> >be (pleasantly) surprised if it works the first time without
> >modifications,
> >so consider it pre-alpha at this point.
>
> I loaded the OSProcessPlugin package and generated sources under Windows.  
> I built using Cygwin.  It gave me a Win32OSProcessPlugin.dll.
>
> I ran the tests.  It said I don't have the AIOPlugin so it was using
> polling (I think that is what it  said).  Tests failed in
> AioEventHandlerTestCase (failures) and OSPipeTestCase (errors).  Many
> OSPipeTestCase failures have to do with AttachableFileStream being closed.
>
> I tried the following code and it failed because stdout was closed:
>
> ThisOSProcess thisOSProcess openConsole.
> ThisOSProcess thisOSProcess stdOut
> nextPutAll: ('error count: ',
> CryptoDESTest suite run errorCount asString);
> flush.
>
> Which is what I need OSProcess for.

>
> On Sun, Jul 25, 2010 at 12:24:33PM -0400, Rob Withers wrote:
>>
>> --------------------------------------------------
>> From: "David T. Lewis" <[hidden email]>
>> Sent: Sunday, July 25, 2010 11:58 AM
>> To: "Squeak Virtual Machine Development Discussion"
>> <[hidden email]>
>> Cc: "Squeak Dev" <[hidden email]>
>> Subject: Re: [Vm-dev] OSProcess in Cog
>>
>> >
>> >On Sun, Jul 25, 2010 at 10:59:04AM -0400, Rob Withers wrote:
>> >>
>> >>I am trying to load and run OSProcess in Cog.  I loaded:
>> >>
>> >>   OSProcess-Base
>> >>   OSProcess-AIO
>> >>   OSProcess-Win32
>> >>   OSProcess-Unix
>> >>   OSProcess-Tests
>> >>
>> >>Then ran the tests.  Many failures.
>> >>
>> >>I looked at the vm and there is no ProcessPlugin or OSProcessPlugin.
>> >>Should there be?
>> >
>> >OSProcess will not work without the OSProcessPlugin. AFAIK no one has
>> >tried this yet (including me - sorry I've been quite busy lately).
>> >
>>
>> What about the AIOPlugin?
>
> AIOPlugin is Unix only, and totally optional. OSProcess and CommandShell
> will both work without it.
>

>> >>What should I do?
>> >
>> >If you are compiling your own COG VM, then load OSProcessPlugin from
>> >SqueakSource and give it a try. But just to set expectations, I will
>> >be (pleasantly) surprised if it works the first time without
>> >modifications,
>> >so consider it pre-alpha at this point.
>>
>> I loaded the OSProcessPlugin package and generated sources under Windows.
>> I built using Cygwin.  It gave me a Win32OSProcessPlugin.dll.
>>
>> I ran the tests.  It said I don't have the AIOPlugin so it was using
>> polling (I think that is what it  said).  Tests failed in
>> AioEventHandlerTestCase (failures) and OSPipeTestCase (errors).  Many
>> OSPipeTestCase failures have to do with AttachableFileStream being
>> closed.
>>
>> I tried the following code and it failed because stdout was closed:
>>
>> ThisOSProcess thisOSProcess openConsole.
>> ThisOSProcess thisOSProcess stdOut
>> nextPutAll: ('error count: ',
>> CryptoDESTest suite run errorCount asString);
>> flush.
>>
>> Which is what I need OSProcess for.
>
> On Windows, you will need to do one hack in order for this to work.
> In the platforms sources, edit platforms/win32/vm/sqWin32HandleTable.h
> and disable the handle registry checking. IIRC, you can just hack
> the IsHandleInTable() function to always return true.
>

>> Another issue: I am trying to generate sources so I can move them from
>> Win32 to Unix and compile the vm there.  I cannot run VMMaker on linux -
>> it
>> is headless/no X.  I noticed that the OSProcessPlugin generates per
>> platform, and in fact there is platform support code.  So under Windows,
>> we
>> generate a Win32OSProcessPlugin.  Under Unix I assume it generates a
>> UnixOSProcessPlugin.  Is there any way I can generate a
>> UnixOSProcessPlugin
>> under Windows?
>
> Open your VMMaker window in Squeak, click the "Find platform" button,
> and change from "Win32" to "unix". Generate your sources, and you
> should have the Unix variant of OSProcessPlugin rather than the Windows
> flavor.
>

> In principle should should work for all of the sources, although
> I have not tried. It definitely should produce correct Unix sources
> for OSProcessPlugin, AIOPlugin, and XDisplayControlPlugin (though
> I don't have a Windows system handy to check).
>
> Note that the handle registry issue mentioned above applies only
> for building the Windows plugin to run on a Windows platform. There
> is no such handle registry on Unix and Mac.
>
> Dave
>

>
> --------------------------------------------------
> From: "David T. Lewis" <[hidden email]>
> Sent: Sunday, July 25, 2010 3:01 PM
> To: "The general-purpose Squeak developers list"
> <[hidden email]>
> Cc: "Squeak Virtual Machine Development Discussion"
> <[hidden email]>
> Subject: Re: [squeak-dev] Re: [Vm-dev] OSProcess in Cog
>
> >
> >On Sun, Jul 25, 2010 at 12:24:33PM -0400, Rob Withers wrote:
> >>
> >>--------------------------------------------------
> >>From: "David T. Lewis" <[hidden email]>
> >>Sent: Sunday, July 25, 2010 11:58 AM
> >>To: "Squeak Virtual Machine Development Discussion"
> >><[hidden email]>
> >>Cc: "Squeak Dev" <[hidden email]>
> >>Subject: Re: [Vm-dev] OSProcess in Cog
> >>
> >>>
> >>>On Sun, Jul 25, 2010 at 10:59:04AM -0400, Rob Withers wrote:
> >>>>
> >>>>I am trying to load and run OSProcess in Cog.  I loaded:
> >>>>
> >>>>   OSProcess-Base
> >>>>   OSProcess-AIO
> >>>>   OSProcess-Win32
> >>>>   OSProcess-Unix
> >>>>   OSProcess-Tests
> >>>>
> >>>>Then ran the tests.  Many failures.
> >>>>
> >>>>I looked at the vm and there is no ProcessPlugin or OSProcessPlugin.
> >>>>Should there be?
> >>>
> >>>OSProcess will not work without the OSProcessPlugin. AFAIK no one has
> >>>tried this yet (including me - sorry I've been quite busy lately).
> >>>
> >>
> >>What about the AIOPlugin?
> >
> >AIOPlugin is Unix only, and totally optional. OSProcess and CommandShell
> >will both work without it.
> >
>
> I see.  I am including in hopes that I get the cross-platform thing working
> for unix.
>
> >>>>What should I do?
> >>>
> >>>If you are compiling your own COG VM, then load OSProcessPlugin from
> >>>SqueakSource and give it a try. But just to set expectations, I will
> >>>be (pleasantly) surprised if it works the first time without
> >>>modifications,
> >>>so consider it pre-alpha at this point.
> >>
> >>I loaded the OSProcessPlugin package and generated sources under Windows.
> >>I built using Cygwin.  It gave me a Win32OSProcessPlugin.dll.
> >>
> >>I ran the tests.  It said I don't have the AIOPlugin so it was using
> >>polling (I think that is what it  said).  Tests failed in
> >>AioEventHandlerTestCase (failures) and OSPipeTestCase (errors).  Many
> >>OSPipeTestCase failures have to do with AttachableFileStream being
> >>closed.
> >>
> >>I tried the following code and it failed because stdout was closed:
> >>
> >>ThisOSProcess thisOSProcess openConsole.
> >>ThisOSProcess thisOSProcess stdOut
> >>nextPutAll: ('error count: ',
> >>CryptoDESTest suite run errorCount asString);
> >>flush.
> >>
> >>Which is what I need OSProcess for.
> >
> >On Windows, you will need to do one hack in order for this to work.
> >In the platforms sources, edit platforms/win32/vm/sqWin32HandleTable.h
> >and disable the handle registry checking. IIRC, you can just hack
> >the IsHandleInTable() function to always return true.
> >
>
> I did this, recompiled, launched Cog with my test image, and I am still
> getting the same failures and errors.
>
> >>Another issue: I am trying to generate sources so I can move them from
> >>Win32 to Unix and compile the vm there.  I cannot run VMMaker on linux -
> >>it
> >>is headless/no X.  I noticed that the OSProcessPlugin generates per
> >>platform, and in fact there is platform support code.  So under Windows,
> >>we
> >>generate a Win32OSProcessPlugin.  Under Unix I assume it generates a
> >>UnixOSProcessPlugin.  Is there any way I can generate a
> >>UnixOSProcessPlugin
> >>under Windows?
> >
> >Open your VMMaker window in Squeak, click the "Find platform" button,
> >and change from "Win32" to "unix". Generate your sources, and you
> >should have the Unix variant of OSProcessPlugin rather than the Windows
> >flavor.
> >
>
> First thing is Cog doesn't use the window, it uses this script:
>
> (VMMaker
> generate: CoInterpreter
> to: (FileDirectory default / '..\src') fullName
> platformDir: (FileDirectory default / '..\platforms')
> fullName
> excluding:#(BrokenPlugin IA32ABIPluginSimulator
> SlangTestPlugin TestOSAPlugin))
>
> Second, I tried using the window, changes the intepreterClass to
> 'CoInterpreter', set the platform path, set the sources path, and clicked
> "Find platform" and selected "unix".  This did not change the text entry
> value.
>
> Third, I set self halts in UnixOSProcessPlugin class>>#shouldBeTranslated
> and Win32OSProcessPlugin class>>#shouldBeTranslated.   The unix side
> eventually calls:
>
> UnixOSProcessPlugin class>>#isResponsibleForThisPlatform
> "Answer true is this is an instance of the class which is
> responsible for representing
> the OS process for the Squeak VM running on the current platform. A
> false answer is
> usually the result of running the image on a different platform and
> VM.
> Note: Keep this method is sync with OSProcess>>isUnix."
>
> | numericOsVersion |
>
> ^ (self platformName = 'unix') or:
> [numericOsVersion := self osVersion asInteger ifNil: [0].
> (self platformName = 'Mac OS') and: [numericOsVersion >=
> 1000]]
>
> and this calls:
>
> OSProcessPlugin class>>#platformName
> "After Squeak version 3.6, #platformName was moved to SmalltalkImage
> "
>
> ^ ((Smalltalk classNamed: 'SmalltalkImage')
> ifNil: [^ Smalltalk platformName]) current platformName
>
> which kills any hope of being a cross-compiled source.