-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 2013-07-02 13:39, Antoine Villeret wrote: > > I realize that with iemnet's version of tcpclient/tcpserver, if two > client connect at the same time to server, only on receive data > not the other,
that's a different bug, please report it. (please also report *this* bug in the sourceforge bugtracker for "pure-data") > so I put a timeout to disconnect the client if no answer was > received in a certain time and then reconnect > > i first make this with iemnet's tcpserver and I got a SIGPIPE on > the server side (see my previous post) while I got SIGSEGV on the > client side, here is the gdb backtrace : > > [New Thread 0x7fff7bfff700 (LWP 4478)] > > Program received signal SIGSEGV, Segmentation fault. [Switching to > Thread 0x7fffc8ff9700 (LWP 4477)] 0x0000000000472963 in clock_set > () (gdb) watchdog: signaling pd... tip: when running Pd in a debugger, always use "-nrt". general remark: to get a backtrace, please run "bt" in the debugger (after the crash). > I think in the server side a signal(SIGPIPE, SIG_IGN); could help > but I don't know where to put it (in tcpserver.c ? in > iemlnet_sender.c or somewhere else ?) i don't think this is a good solution. i would prefer something along the lines of "setsockopt(SO_NOSIGPIPE)" and/or "send(..., MSG_NOSIGNAL)" - a solution that does not have side-effects on the entire Pd. > > also I tested it with the mrpeach's version, it doesn't crash but > the GUI hangs gdb doesn't tell anything, it continue to show thread > creation and exiting > > also I'm using iemnet's first because it has a [port( method to > change the binding port on the fly and I made a rebinding routing > to choose an available port in a certain range both in server and > in client side to prenvent connection error if port is still used > after a crash for example > > I don't know how to go further with this, But I really need a > reliable server for some project and for now I just have an > headache :-) please tell me how i can help fixing this (and please > note that I don't know anything on tcp communication...) btw, my experimental repository for iemnet is at [1]. i added the MSG_NOSIGNAL flag (currently this is linux only), and the server does not crash anymore, but the clients still do. fgmasdr IOhannes [1] https://github.com/umlaeute/pd-iemnet -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Icedove - http://www.enigmail.net/ iEYEARECAAYFAlHSxSoACgkQkX2Xpv6ydvRiAwCgrn20fLBsSDaDxDODerVSEGiw AG0An0u5PY21NryZawi/JdH3U02NOYAe =mQ4d -----END PGP SIGNATURE----- _______________________________________________ Pd-dev mailing list Pd-dev@iem.at http://lists.puredata.info/listinfo/pd-dev
