[Lazarus] Linux and Threads

[Funky Beast]

Matt Shaffer wrote:
> I'm really not quite sure what the problem is.
> 
> Here's a quick rundown:
> 1. I'm running Ubuntu 9.04
> 2. Lazarus .9.26
> 3. Using Andorra 2D
> 
> To be honest, I'm not sure if this is an andorra 2d specific problem
> (Andorra is an openGL engine for FPC if you didn't know), but as it
> works flawlessly under Windows and do to my observation below, I thought
> it might not be a problem with Andorra.
> 
> The error I'm getting is Run time Error 232 "SYSTEM_NOTHREADERROR". As
> threading sounds more like a FPC/Lazarus issue and not specific to
> andorra, I thought I'd try my luck here. Is there a unit I have to
> include to use threading? First thing that came to my mind was
> "cthreads" as I've seen that used before, but including that file only
> created a different error (I'm assuming, because cthreads is unix and
> unix != linux?)
> 
> Section of code where it has a problem:
> constructor TAdParticleCalculationThread.Create(AParticleList:
> TAdParticleList;
>   AEffectSize: integer);
> begin
>   inherited Create(false); // Compiler auto highlights this line, for
> some reason
> 
>   FParticleList := AParticleList;
>   FParticleClass := nil;
> 
>   ResizeData(AEffectSize);
> 
>   FStartedCalculation := true;
> end;
> 
> I'd love to actually be able to create some apps for linux ;) Game
> development seems especially hard, however. (PS: Nice job on .9.28
> developers! Haven't had a chance (and don't want to risk) upgrading to
> the latest lazarus yet)
> 
> 
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> 
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Hi,

Maybe you could read up here:
http://wiki.lazarus.freepascal.org/Multithreaded_Application_Tutorial#Units_needed_for_a_multi-threaded_application

HTH,
Funky Beast