------- Comment #16 from jakub at gcc dot gnu dot org  2010-09-09 10:33 -------
The *_unlocked versions are faster a lot actually, at least for the one
character ops, because no locking is performed and the calls are inlined.
But the question is whether libstdc++ can use them, unless there is some
restriction that would disallow several threads from using the same FILE *
(including using STL APIs in one thread and C stdio APIs in another thread).



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