These will be used to implement RtlWaitOnAddress() and other in-process
synchronization primitives, as they are on Windows.

These patches went through quite a few revisions in order to ensure that they
had sufficient performance and correctness compared to the current
implementation. I am particularly grateful to Etienne Juvigny and Dmitry
Skvortsov for performing extensive testing.
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>