[zeromq-dev] Notify send()er that they've hit the high water mark

[Ian Barber]

On Mon, Jul 9, 2012 at 9:24 PM, Edwin Amsler <
edwinamsler at thinkboxsoftware.com> wrote:

>
> Ideally, when a HWM condition happened, send() would return false, then
> I'd test EAGAIN so I could decide for myself whether I should drop the
> message, or retry later. With that kind of functionality, I could throttle
> back my producer algorithm so that I exactly meet the demand of ZeroMQ
> instead of overwhelming/starving it out.
>
>
This is pretty much how it works with most socket types - if you use the
ZMQ_NOBLOCK flag, you'll get the EAGAIN if you've hit HWM.

Ian
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