[zeromq-dev] missing events ZMQ_FD / ZMQ_EVENTS

Martin Hurton hurtonm at gmail.com
Tue Apr 24 00:50:48 CEST 2012

Hi Gerhard, is there an open issue for this? If not, can you file one
and provide a simple program reproducing this problem.
I would like to look into this.

- Martin

On Mon, Apr 23, 2012 at 2:53 PM, Gerhard Lipp <gelipp at googlemail.com> wrote:
> Hello,
> I can observe the same behavior as stated here
> (http://lists.zeromq.org/pipermail/zeromq-dev/2011-November/014615.html).
> What I observe is also a XREP/XREQ (ROUTER/DEALER) prob, where the
> XREQ is waiting forever to receive a message (which has been
> definitely sent). When I poll (timer based) the ZMQ_EVENTs, the XREQ
> is readable as expected. I am using libev (select based) for doing IO
> and I am aware of the edge-based trigger behaviour (I am
> reading/forwarding messages until ZMQ_EVENTs does not include the
> ZMQ_POLLIN bit any more).
> What is the status of this issue?
> Unfortunately my setup is a bit complicated to share, but i would like
> to help as much as possible.
> Regards,
> Gerhard
> A libev workaround is to use both EV_READ and EV_WRITE bits, though
> this adds a lot of unnecessary wake ups / callbacks etc.
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