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update pair doc #3170

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Jun 21, 2018
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update pair doc #3170

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update pair doc
jamesdillonharvey Jun 21, 2018
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update pair doc
jamesdillonharvey Jun 21, 2018
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5 changes: 5 additions & 0 deletions doc/zmq_socket.txt
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Expand Up @@ -358,6 +358,11 @@ high water mark for the connected peer, or if no peer is connected, then
any linkzmq:zmq_send[3] operations on the socket shall block until the peer
becomes available for sending; messages are not discarded.

While 'ZMQ_PAIR' sockets can be used over transports other than linkzmq:zmq_inproc[7],
their inability to auto-reconnect coupled with the fact new incoming connections will
be terminated while any previous connections (including ones in a closing state)
exist makes them unsuitable in most cases.
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it's actually only TCP that is a problem - IPC obviously doesn't have problems with connections dropping

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I changed the text


NOTE: 'ZMQ_PAIR' sockets are designed for inter-thread communication across
the linkzmq:zmq_inproc[7] transport and do not implement functionality such
as auto-reconnection.
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