[zeromq-dev] why zmq_send didn't block in ZMQ_REQ&ZMQ_REP model?

[Pieter Hintjens]

On Wed, Feb 22, 2012 at 12:51 AM, Chenglong Chen
<chenchenglong112 at gmail.com> wrote:

> When a ZMQ_REQ socket enters an exceptional state due to having reached the
> high water mark for all services, or if there are no services at all, then
> any zmq_send(3) operations on the socket shall block until the exceptional
> state ends or at least one service becomes available for sending; messages
> are not discarded.

IMO it's a bug in the man page.

-Pieter