0MQ version 2.1.7 (Stable), released on 2011/05/12
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Bug fixes
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* Fixed issue 191, message atomicity issue with PUB sockets (an old issue).
* Fixed issue 199 (affected ROUTER/XREP sockets, an old issue).
* Fixed issue 206, assertion failure in zmq.cpp:223, affected all sockets
(bug was introduced in 2.1.6 as part of message validity checking).
* Fixed issue 211, REP socket asserted if sent malformed envelope (old issue
due to abuse of assertions for error checking).
* Fixed issue 212, reconnect failing after resume from sleep on Windows
(due to not handling WSAENETDOWN).
* Properly handle WSAENETUNREACH on Windows (e.g. if client connects
before server binds).
Changes
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* Runtime checking of socket and context validity, to catch e.g. using a
socket after closing it, or passing an invalid pointer to context/socket
methods.
* Test cases moved off port 5555, which conflicts with other services.
* Clarified zmq_poll man page that the resolution of the timeout is 1msec.
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