Review Request 27956: Fix race condition in process.cpp

[Joris Van Remoortere]

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Review request for mesos, Benjamin Hindman and Niklas Nielsen.


Bugs: MESOS-1330
    https://issues.apache.org/jira/browse/MESOS-1330


Repository: mesos-git


Description
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Fix race condition between encoder creation and io::poll in 
SocketManager::Send(Message).


Diffs
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  3rdparty/libprocess/src/process.cpp a34b8702b01dec9c954552de0b923866d172c453 

Diff: https://reviews.apache.org/r/27956/diff/


Testing
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make check


Thanks,

Joris Van Remoortere