On Tue, Apr 26, 2011 at 4:49 PM, Martin Sustrik <sustrik at 250bpm.com> wrote: > Yes. There's ZMQ_POLLOUT you can use. > Sorry about that. Maybe the possibility to poll on OUT is not stressed > enough in the docs. That's also my fault for entirely ignoring it in the Guide. Didn't have a real use case for it yet, this one may work. -Pieter