[zeromq-dev] zmq::socket_t::send blocking

[Alexandre Quessy]

Hi,


ALEXANDRE QUESSY
Consultant software

D-BOX Technologies Inc. | A. 2172 de la Province, Longueuil, QC J4G 1R7 CANADA | T. 450-442-3003 | W. d-box.com<http://www.d-box.com>

De : zeromq-dev [mailto:zeromq-dev-bounces at lists.zeromq.org] De la part de Colin Ingarfield
Envoyé : 20 janvier 2017 12:04
À : ZeroMQ development list <zeromq-dev at lists.zeromq.org>
Objet : Re: [zeromq-dev] zmq::socket_t::send blocking

It depends on the type of socket and whether it has reached its HWM.  Some types of socket will block, others will drop the message, others could enqueue it and return immediately.

The behavior for each type of socket is documented here: http://api.zeromq.org/4-0:zmq-socket

Thank you for your answer!
The socket is a inproc:// ZMQ_PUSH socket.
Will that block until the message is sent, if I don’t provide the ZMQ_DONTWAIT option?
Thanks!

On 1/20/17 11:00 AM, Alexandre Quessy wrote:
Hi
zmq::socket_t::send() - Is that blocking by default?
I need it to be blocking. (wait for the data to be sent before continuing)

If I set the flag ZMQ_DONTWAIT (formerly ZMQ_NOBLOCK) it should be non-blocking. So if I don’t set it, it should block?
Thank you,

ALEXANDRE QUESSY
Consultant software

D-BOX Technologies Inc. | A. 2172 de la Province, Longueuil, QC J4G 1R7 CANADA | T. 450-442-3003 | W. d-box.com<http://www.d-box.com>

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