[Mingw-users] g++ 3.2.3 libstdc++ output stream not thread-safe

[David E. <dav...@al...>]

The output stream formatting is not thread-safe in g++-3.2.3-20030504-1.
This is the case for example for std::stringstream and std::ofstream, 
for operator << (int).
It uses the setlocale() function from msvcrt.dll, which is not thread-safe.

The patch is in attachement.

Note: The bug is resolved in g++ 3.4.5, but I couldn't get a working 
libstdc++ dll with that version.
It is also resolved in g++ 4.2.1, but this version also has other bugs.

-- 
David Ergo
Chief Software Engineer

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