ASF GitHub Bot commented on THRIFT-3974:

GitHub user jeking3 opened a pull request:


    THRIFT-3974: fix ThreadSanitizer identified issues

    Tested with pthread, boost and std threads and -fsanitizer=thread with 

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/jeking3/thrift THRIFT-3974

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    This closes #1331
commit 8a7d13e6a7acde8883be88ecca6506fb0ee695d7
Author: James E. King, III <jk...@apache.org>
Date:   2017-08-12T20:04:55Z

    THRIFT-3974: fix ThreadSanitizer identified issues


> Using clang-3.8 and ThreadSanitizer on the concurrency_test claims bad 
> PThread behavior
> ---------------------------------------------------------------------------------------
>                 Key: THRIFT-3974
>                 URL: https://issues.apache.org/jira/browse/THRIFT-3974
>             Project: Thrift
>          Issue Type: Bug
>          Components: C++ - Library
>    Affects Versions: 0.9.3, 0.10.0
>            Reporter: James E. King, III
>            Assignee: James E. King, III
>            Priority: Minor
> After using ThreadSanitizer to prove THRIFT-2755 is no longer present after 
> THRIFT-3932 was completed, it looks like there are some issues in the 
> PThreadThread class, specifically that the destructor calls a virtual method. 
>  ThreadSanitizer picks calls this out (many, many times).  
> The usage may be correct, but since we're not using C++11 we cannot seal the 
> class (mark it with the final keyword) which would tell ThreadSanitizer 
> nothing can inherit from the class, making that behavior safe.
> Another way to deal with this is to move the join implementation to a 
> non-virtual method and have both the dtor and join() call it.

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