Re: [Paracomp-users] Paracomp crash when compiled in release mode

[Shree K. <shr...@hp...>]

On Fri, 2008-04-11 at 15:22 +0000, James S Perrin wrote:
> Hi Shree,
> 
>         Same as you gcc 4.1.2 and glibc 2.5.
> 

Good news. I've fixed this just now :-)

http://paracomp.svn.sourceforge.net/viewvc/paracomp?view=rev&revision=60

James, do let me know if it works for you.

Cheers
-- Shree

> Shree Kumar wrote:
> > Hi James,
> >
> > I ran into the same problem which you faced : crash when paracomp is
> > compiled in release mode.
> >
> > My system : an x86_64 machine running Fedora Core 8(x86_64). GCC version
> > 4.1.2
> >
> > Basically, any program using the library crashes, _if_ paracomp was
> > compiled in release mode. If paracomp is compiled in debug mode
> > "release=0" things move just fine.
> >
> > I investigated this a bit, and found that a dlclose() in
> > loadCompositePlugin() (pcimpl.cpp) is causing the crash.
> >
> > ----------------------------------------------------------
> >  using namespace paracomp;
> > @@ -236,7 +242,7 @@
> >         // if the init function returns non-zero, then it cannot be used
> >         if(((*initFunc)())!=0)
> >         {
> > -               dlclose(libHandle);
> > +             //dlclose(libHandle); // commenting this out gets rid of
> > the crash
> >                 return false;
> >         }
> > ----------------------------------------------------------
> >
> > Seems to be a compiler related issue, since I don't see this on our RHEL
> > 5 based system (running GCC 3.4.6).
> >
> > James, do you remember what compiler version you saw the issue on ?
> >
> > For now, I don't have a solution. Commenting out gets rid of the
> > problem. This will result in a small memory leak, but should be good to
> > keep people going.
> >
> > Just something I thought everybody must know before we find a solution
> > to the problem.
> >
> > Regards
> > -- Shree
> >
> >
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> --
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>    James S. Perrin
>    Visualization
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