Ryan Lortie 669b0f2d6b Bug 548967 - 1 bit mutex lock
Add support for a mutex lock that consumes only one bit of storage
inside of an integer on systems that support futexes.  Futex is emulated
(at a higher cost) on systems that don't have it -- but only in the
contended case.
2010-01-28 12:40:46 -05:00
..
2010-01-28 12:40:46 -05:00