[Lazarus] TThread memory leak?
Lukas Gradl
lazarus at ssn.at
Thu Feb 28 12:21:11 CET 2008
OK - seems to be an fpc-bug - and the good news: Already fixed in
current 2.2.1.
In fpc 2.2.0 the TThread.FreeOnTerminate doesn't work as expected
regards
Lukas
Lukas Gradl schrieb:
> Hello!
>
> I have some strange memory problem with a TThread-Descendant.
> For debugging I created a little test-app with a button on it and the
> following OnClick-Handler:
>
> procedure TForm1.Button1Click(Sender: TObject);
> begin
> TThreadDummy.Create;
> end;
>
> The Thread looks like that:
>
> type
> TThreadDummy=class(TThread)
> protected
> procedure Execute; override;
> public
> constructor Create;
> end;
>
> constructor TThreadDummy.Create;
> begin
> inherited create(true);
> FreeOnTerminate := true;
> Resume;
> end;
>
> procedure TThreadDummy.Execute;
> begin
> //do nothing - just exit!
> end;
>
> The program is compiled using FPC 2.2.0, Lazarus 0.9.24-0 precompiled
> from Lazarus Page and Debian as OS
>
>
>
> Every time I press the button, the program uses 8192 Bytes of memory
> more (according to the ps-command). I've another app with a big TThread
> descendant, which eats up the same 8192 on every TThreadDescendant.Create...
>
> Anyone an idea what I might have done wrong?
>
>
>
> regards
> Lukas
>
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Lukas Gradl <lazarus#ssn.at>
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