[Bug 46099] Star Citizen not loading after implementation of WaitOnAddress () in wine

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=46099

--- Comment #34 from Zebediah Figura <z.figura12 at gmail.com> ---
Created attachment 62897
  --> https://bugs.winehq.org/attachment.cgi?id=62897
ntdll: Add a futex-based implementation of WaitOnAddress().

Thanks for the confirmation.

I have another patch here, which implements WaitOnAddress() on top of futexes.
It's a bit of an unorthodox approach, but is the best I was able to come up
with. I'd appreciate it if people could test it (applied on top of the other
patches in this thread) with a real application.

Fabian, this patch fails your tests, because it treats WakeByAddressSingle()
like WakeByAddressΑll() and wakes up every thread. Since spurious wakeups
should always be anticipated by the application, I doubt this should break
anything, but since you wrote the tests, are you aware of any application that
depends on that behaviour?

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