[zeromq-dev] Problems with PUB/SUB sockets and OpenPGM

Steven McCoy steven.mccoy at miru.hk
Wed Jun 30 11:58:18 CEST 2010

On 30 June 2010 17:44, Jens Mehnert <jens.mehnert at smeet.com> wrote:

> The second problem I've is that if I'm using two contexts I'm running into
> troubles when I'm changing
> the protocol to epgm. Because in that case I'm getting following error: Assertion
> failed: !pgm_supported () (zmq.cpp:239)
    //  Unfortunately, OpenPGM doesn't support refcounted init/shutdown,
    //  let's fail if it was initialised beforehand.
    zmq_assert (!pgm_supported ());

i.e. ZeroMQ only allows one PGM session per process.  OpenPGM v3 has
implemented reference counting to resolve such issues.

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