On Sat, 22 Dec 2012, Pieter Hintjens wrote: > The Guide wasn't very clear on this area; I've updated it. There is > also a reference on the wiki: http://www.zeromq.org/docs:3-1-upgrade The man pages are even less clear; both mention millisecond. <http://api.zeromq.org/2-1:zmq-poll> <http://api.zeromq.org/3-3:zmq-poll> Stefan