Re: two-way communication with TMapFile

From: Fons Rademakers (Fons.Rademakers@cern.ch)
Date: Mon Aug 03 1998 - 13:21:41 MEST


Hi Peter,

   I'll look into making two-way communication for TMapFiles possible.
For the time being is does not work (as you discovered).

Cheers, Fons.



Peter Steinberg wrote:
> 
> Is it, or will it, be possible to use a single TMapFile for
> two-way communication between two processes?  On NT, things look
> like this:
> 
> root [0] TMapFile *f = TMapFile::Create("d:\\test.map","UPDATE")
> Warning in <TMapFile::TMapFile>: map file already open in write mode,
> opening in read-only mode
> 
> Regards,
> Peter
> 
> ---------------------------------------------------------------------------
> Peter Steinberg, Columbia University         mailto:Peter.Steinberg@Cern.ch
> Nevis Laboratories                  http://www.nevis.columbia.edu/~steinber
> P.O. Box 137                            Home Phone:           (212)678-5971
> Irvington, NY 10533                     Nevis:    (914) 591-2276 (fax 8120)
> ---------------------------------------------------------------------------

-- 
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



This archive was generated by hypermail 2b29 : Tue Jan 04 2000 - 00:34:35 MET