Hi Piergiorgio, sorry but directories in shared files are not supported. The TMapFile is to be seen as one directory. What you could do is to use multiple TMapFiles. Cheers, Fons. Piergiorgio Cerello wrote: > > Dear Rooters, > > I'd like to set up a directory structure into a memory mapped file, in > order to monitor different groups of histograms. > > In the producer, I open the TMapFile and then I create a directory tree, > which I check to be ok by listing the content. > > Then, the producer starts the loop on the events, and it works well until > the end of run. > > On the consumer side, I browse the shared memory, but I can only access > the histograms in the top directory. If I try to retrieve a subdirectory > nothing happens (indeed the browser doesn't show them as folders but as > objects). > > What's wrong or missing? > Thanks, > > Piergiorgio -- Org: CERN, European Laboratory for Particle Physics. Mail: 1211 Geneve 23, Switzerland Phone: +41 22 7679248 E-Mail: Fons.Rademakers@cern.ch Fax: +41 22 7677910
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