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https://reviews.apache.org/r/39363/
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Review request for mesos, Jie Yu and Joris Van Remoortere.
Bugs: MESOS-3728
https://issues.apache.org/jira/browse/MESOS-3728
Repository: mesos
Description
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The current code non-atomically checks for the gate being empty in order to
have last thread to arrive at the gate delete it. This is racy, and can lead to
multiple threads trying to delete the gate! The information about how many
waiters remain must come atomically from the call to Gate::arrive.
Diffs
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3rdparty/libprocess/src/gate.hpp 7d5df706c601c3a1e2055d7f9b78caea0f4182e8
3rdparty/libprocess/src/process.cpp 0454554e7b6a39f94cfea02f08ca51ef6b35859a
Diff: https://reviews.apache.org/r/39363/diff/
Testing
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Ran the tests in a loop.
Thanks,
Ben Mahler
