[SDL] no SDL_YieldThread() function?

[Ryan C. Gordon]

> Nope, that's an undocumented side effect of the way the underlying 
> Win32 call works.
> 
> For example, SDL_Delay(0) on Linux does precisely nothing. (At least, 
> that was the case last time I checked.)

David's right, but an SDL_Delay(10) (or perhaps even an SDL_Delay(100), 
depending on the thread in question) works wonders in most places.

--ryan.