Hi Hermann-Josef, this bug has been fixed in the development version in CVS and will appear in the next release early next week. Cheers, Fons. Hermann-Josef Mathes wrote: > Dear Rooters, > > I have a problem with the TServerSocket class which is probably a problem of > the system and not of the TServerSocket. I hope, somebody could give me a > hint where to look at ... ? > > This is a part of the code which shows the problem: > TServerSocket *fServer; > > for(int port = 18888;port<18890;port++) { > fServer = new TServerSocket(port); > cout << "port: " << port << " fServer: " << hex << fServer << dec << > endl; > cout << "Desc: " << hex << fServer->GetDescriptor() << dec << endl; > if( fServer->IsValid() ) { > printf("Socket listening on port %d\n",port); > break; > } > } > > if ( fServer && fServer->IsValid() ) { > // do something nice ... > else { > cerr << "Could not open server socket !" << endl; > > throw 1; > } > > *** The relevant output of the program: > port: 18888 fServer: 0x86dd970 > Desc: 86e7280 > port: 18889 fServer: 0x86dd970 > Desc: 86e7a60 > Could not open server socket ! > Abort > > *** What I found in /proc/<pid> when single stepping through the program: > > mathes@iklx12> ls 10216/fd > 0 1 2 3 4 5 6 7 > mathes@iklx12> ls 10216/fd > 0 1 2 3 4 5 6 7 8 > > Doing netstat -a --ip -n | grep LISTEN shows the two created sockets. > So why does GetDescriptor() return such a large number (still > 0), why is > IsValid() always kFALSE ? I cannot use this socket during the program as the > descriptor is surely larger than FDSET_SIZE. > > The System in use is: > SuSE 7.1, kernel 2.4.0-4GB > with gcc 2.95.2 and ROOT 3.00/06 > > Many thanks > Hermann-Josef > > ************************************************************************** > * * > * Dr. Hermann-Josef Mathes * > * KASCADE & AUGER Collaboration * > * Forschungszentrum Karlsruhe Phone: +49 7247 822429 * > * Institut fuer Kernphysik FAX: +49 7247 824075 * > * POB 3640 * > * D-76021 Karlsruhe/Germany Mail: mathes@ik3.fzk.de * > * hjmathes@web.de * > * * > * Feel free to visit my homepage: * > * http://www-ik3.fzk.de/~mathes/Welcome.html * > ************************************************************************** > > > -- Org: CERN, European Laboratory for Particle Physics. Mail: 1211 Geneve 23, Switzerland E-Mail: Fons.Rademakers@cern.ch Phone: +41 22 7679248 WWW: http://root.cern.ch/~rdm/ Fax: +41 22 7679480
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