[zeromq-dev] [PATCH] Update zmq_socket documentation for PUB socket limitations

Steven McCoy steven.mccoy at miru.hk
Tue Dec 7 09:24:45 CET 2010

Hi Martin,

  Can you add something to the effect of the following message to the
description on PUB sockets.

diff --git a/doc/zmq_socket.txt b/doc/zmq_socket.txt
index 2156af2..a898a58 100644
--- a/doc/zmq_socket.txt
+++ b/doc/zmq_socket.txt
@@ -180,6 +180,9 @@ high water mark for a _subscriber_, then any messages
that would be sent to the
 _subscriber_ in question shall instead be dropped until the exceptional

+The _zmq_send()_ function will always return successful for _publisher_
+no back pressure is provided in situations of a congested _subscriber_.
 .Summary of ZMQ_PUB characteristics
 Compatible peer sockets:: 'ZMQ_SUB'

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