[jira] [Created] (THRIFT-3995) error: 'boost::thread::id::id(boost::thread::id::data)' is private

[Stefan Zimmermann (JIRA)]

Stefan Zimmermann created THRIFT-3995:
-----------------------------------------

             Summary: error: 'boost::thread::id::id(boost::thread::id::data)' 
is private
                 Key: THRIFT-3995
                 URL: https://issues.apache.org/jira/browse/THRIFT-3995
             Project: Thrift
          Issue Type: Bug
          Components: C++ - Library
         Environment: Windows, MinGW/[MSYS2|https://msys2.github.io], GCC 
6.2.0, Boost 1.62.0
            Reporter: Stefan Zimmermann
            Priority: Blocker


When compiling {{7ab125a253e5aebbf2a0ed9a0a1602a4b879eca7}} under MinGW/MSYS2 
with GCC 6.2.0 and Boost 1.62.0 and some workaround for 
[THRIFT-3994|https://issues.apache.org/jira/browse/THRIFT-3994], the next 
problem occurs:

{code}
src/thrift/concurrency/PosixThreadFactory.cpp: In member function 'virtual 
apache::thrift::concurrency::Thread::id_t 
apache::thrift::concurrency::PthreadThread::getId()':
src/thrift/concurrency/PosixThreadFactory.cpp:175:26: error: 
'boost::thread::id::id(boost::thread::id::data)' is private within this context
     return (Thread::id_t)pthread_;
{code}

{code}
src/thrift/concurrency/PosixThreadFactory.cpp: In member function 'virtual 
apache::thrift::concurrency::Thread::id_t 
apache::thrift::concurrency::PosixThreadFactory::getCurrentThreadId() const':
src/thrift/concurrency/PosixThreadFactory.cpp:309:37: error: 
'boost::thread::id::id(boost::thread::id::data)' is private within this context
   return (Thread::id_t)pthread_self();
{code}

A quick workaround is to create a local {{pthread_t}} variable and do a 
{{reinterpret_cast<Thread::id_t&>(...)}} instead, but this is not a clean 
solution :) and raises:

{code}
warning: dereferencing type-punned pointer will break strict-aliasing rules 
[-Wstrict-aliasing]
{code}



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