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authorMartin Sustrik <sustrik@250bpm.com>2010-08-06 17:49:37 +0200
committerMartin Sustrik <sustrik@250bpm.com>2010-08-25 15:39:20 +0200
commit05d908492dc382941fc633ad7082b5bd86e84e67 (patch)
treeae10e49766152e42521a6c100e622dc616998143 /doc/zmq_close.txt
parentb7e0fa972f45d21e45cacb93a1a92d38fdc11f40 (diff)
WIP: Socket migration between threads, new zmq_close() semantics
Sockets may now be migrated between OS threads; sockets may not be used by more than one thread at any time. To migrate a socket to another thread the caller must ensure that a full memory barrier is called before using the socket from the target thread. The new zmq_close() semantics implement the behaviour discussed at: http://lists.zeromq.org/pipermail/zeromq-dev/2010-July/004244.html Specifically, zmq_close() is now deterministic and while it still returns immediately, it does not discard any data that may still be queued for sending. Further, zmq_term() will now block until all outstanding data has been sent. TODO: Many bugs have been introduced, needs testing. Further, SO_LINGER or an equivalent mechanism (possibly a configurable timeout to zmq_term()) needs to be implemented.
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