Re: [Boost-bugs] [Boost C++ Libraries] #6320: race condition in boost::filesystem::path leads to crash when used in multithreaded programs

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #6320: race condition in boost::filesystem::path leads to crash when used in multithreaded programs
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2016-11-08 18:09:08

#6320: race condition in boost::filesystem::path leads to crash when used in
multithreaded programs
-------------------------------+-------------------------
  Reporter:  aris.basic@…      |      Owner:  bemandawes
      Type:  Bugs              |     Status:  reopened
 Milestone:  To Be Determined  |  Component:  filesystem
   Version:  Boost 1.62.0      |   Severity:  Showstopper
Resolution:                    |   Keywords:
-------------------------------+-------------------------

Comment (by stl):

 Replying to [comment:23 stl]:
 > Some simplified code to reproduce the crash. As concurrency bugs are
 timing dependent, this will crash most of the time, but not always.
 >
 > {{{
 > #include <boost/filesystem.hpp>
 > #include <boost/thread.hpp>
 >
 > void thr()
 >       {
 >       boost::filesystem::path file(L"C:\\test");
 >       boost::this_thread::sleep(boost::posix_time::milliseconds(10));
 >       std::cout << file.string() << std::endl;
 >       }
 >
 >
 > int main()
 >       {
 >       boost::thread_group tg;
 >       for (size_t n = 0; n < 5; ++n)
 >               {
 >               tg.create_thread(thr);
 >               }
 >       tg.join_all();
 >       return 0;
 >       }
 >
 > }}}

 Of course, this code is meant to reproduce the crash on Windows, where
 boost::filesystem::path uses wide characters natively, and thus must
 convert when using string().

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/6320#comment:24>
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