ntdll: make NtDelayExecution a bit more efficient

[Stefan Dösinger]

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Am 2013-03-08 15:11, schrieb Graham Knap:
> Michael Stefaniuc wrote:
>> If the ancient wisdom isn't backed by tests there's a fair chance
>> that it might not be applicable today. Or that it was a wrong
>> theory
This is guesswork, but maybe the yield is there to make code like this
work (or more likely to work):

start = GetTickCount();
Sleep(0);
end = GetTickCount();
output = input / (end - start);

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