Re: TMapfile::Update causes segmentation violation

From: Fons Rademakers (Fons.Rademakers@cern.ch)
Date: Thu Jul 22 1999 - 13:49:24 MEST

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Hi Burt,

   I've fixed the problem.

For the time being don't close the TMapFile in the macro.

Cheers, Fons.



Burt Holzman wrote:
> 
> Hi Rooters,
> 
> The following simple macro causes a segmentation violation if I
> uncomment
> the mfile->Update line. This is ROOT 2.22/09, CINT 5.14.8.
> 
> -B
> 
> --
> {
>   TH1S *monhisto = new TH1S("eventnr","event_nr",101,-0.5,100.5);
>   TH1S *monhisto2 = new TH1S("eventnr2","event_nr2",101,-0.5,100.5);
> 
>   mfile = TMapFile::Create("onhistos.map","RECREATE",
> 10000000,"blabla");
>   mfile->Add(monhisto,"eventnr");
> 
>   for (Int_t i = 0; i < 52; i++) { monhisto->Fill(i); }
>   monhisto2->Add(monhisto,monhisto2);
>   //mfile->Update(monhisto);
> 
>   mfile->Close();
>   monhisto2->Draw();
> }

-- 
Org:    CERN, European Laboratory for Particle Physics.
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E-Mail: Fons.Rademakers@cern.ch              Phone: +41 22 7679248
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