A stack trace of the process when zmq_msg_send() blocks could already be telling. It sounds like it's getting stuck in either pipe::terminate() or dealer::xrecv()...
Cheers, Christian Pieter Hintjens <[email protected]> wrote: >Hi Björn, > >The best thing when it comes to specific functionalities like this is >a minimal test case that shows the problem. > >-Pieter > >On Mon, Nov 18, 2013 at 9:09 AM, Björn Kuhlbrodt ><[email protected]> wrote: >> Hello >> >> I' trying to use the new (4.0.1) ZMQ_REQ_RELAXED in C++ with VS2010 (and the >> standard C-Binding from the 0MQ main site), but keep failing. >> >> What I have: >> One context with two ZMQ_REQ sockets in two different threads, one binds and >> answers to REQs, one connects and sends REQs. This runs fine and nice until >> one system crashes before answering a REQ - a known Problem of the REQ-REP. >> >> What I tried: >> I'm not too eager to kill the context to get the REQ-REP running again, >> because that would kill my other socket too. The new ZMQ_REQ_RELAXED came in >> very handy, just fit to solve the problem. >> >> BUT: >> Now the zmq_msg_send(...)-Method fails to return after a few packages (or >> even for the first packet) while the client is up and waiting for packages, >> yes even actively communicating with the server over the other socket. I >> tried ZMQ_REQ_CORRELATE on and off - doesn't make a change. Tried >> ZMQ_REQ_RELAXED off again - everything works (except in crash-case). >> >> So my question: >> Anyone here tried the ZMQ_REQ_RELAXED? Any idea? I'm willing to post code, >> but I'd need to extract the crucial parts, which could take a while. >> >> Regards >> Bjorn >> >> >> >> >> Dr. Björn Kuhlbrodt >> Senior Software Developer >> GP Inspect GmbH >> >> Tel: +49 89 750778 4729 >> Fax: +49 89 750778 4710 >> Mail: [email protected] >> >> GP Inspect GmbH | Hainbuchenring 9-11 | 82061 Neuried | Deutschland >> Geschäftsführer | Christian Probst, Dr. Eric Rüland, Enis Ersü, Martin >> Heinrich >> Amtsgericht München | HRB 173887 >> >> A company of ISRA VISION Group >> >> ------------------------------------------------------------------------------------------------------ >> This e-mail may contain material that is confidential, privileged and for >> the sole use of the intended recipient. Any review, reliance or >> distribution by others or forwarding without express permission is strictly >> prohibited. If you are not the intended recipient, please >> contact the sender and delete all copies. GP Inspect GmbH, ISRA VISION AG, >> its branches and subsidiaries herewith exclude >> any liability for third-party information recognizably contained in this >> email or its attachments. Third-party information does not >> necessarily reflect the opinion of GP Inspect GmbH or ISRA VISION AG. >> ------------------------------------------------------------------------------------------------------ >> WWW.GPSOLAR.COM >> >> WWW.ISRAVISION.COM >> ------------------------------------------------------------------------------------------------------ >> _______________________________________________ >> zeromq-dev mailing list >> [email protected] >> http://lists.zeromq.org/mailman/listinfo/zeromq-dev > > > >-- >- >Pieter Hintjens >CEO of iMatix.com >Founder of ZeroMQ community >blog: http://hintjens.com >_______________________________________________ >zeromq-dev mailing list >[email protected] >http://lists.zeromq.org/mailman/listinfo/zeromq-dev _______________________________________________ zeromq-dev mailing list [email protected] http://lists.zeromq.org/mailman/listinfo/zeromq-dev
