David 'Digit' Turner 6c6de44f04 libc: optimize pthread_once() implementation.
This patch changes the implementation of pthread_once()
to avoid the use of a single global recursive mutex. This
should also slightly speed up the non-common case where
we have to call the init function, or wait for another
thread to finish the call.

Change-Id: I8a93f4386c56fb89b5d0eb716689c2ce43bdcad9
2011-12-07 22:06:36 +01:00
2011-09-28 12:17:34 -07:00
2011-12-05 16:09:30 -08:00
2010-03-08 18:04:02 -08:00
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