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On 19 December 2010 20:35, François Dumont wrote: > > I though mutex usage was a C++0x feature but you are right, once I directly > use ext/concurrence.h I didn't need C++0x mode anymore. std::mutex is only available in C++0x and is defined in <mutex>, but __gnu_cxx::__mutex is a GCC extension available in C++03 mode and is defined in <ext/concurrence.h>
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