[zeromq-dev] PGM 2.0.19rc4 updates require code changes in ZMQ2

[Steven McCoy]

Hi Hi,

  I noticed Malo recently updated to 2.0.18rc3 which missed the rate control
precision update Martin worked on before.  I ran through all the unit and
network tests and discovered a few major regressions in functionality for
certain edge conditions. One of these was the TX thread needs to wake a
waiting RX thread if it's timeout value is longer than the first SPM
heartbeat interval (used for flushing stream ends).  I re-use the pending
event FD that the RX thread currently uses to notify the application of
receive-state generated events.

For ZMQ this means pgm_sender.[ch]pp and pgm_socket.cpp need to be updated
with the additional FD retrieved via pgm_transport_get_pending_fd().

-- 
Steve-o
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