On Tue, 2003-09-23 at 05:58, Mark Vojkovich wrote:
>   Can we export to the drivers some function that yields the CPU?
> Currently alot of drivers burn the CPU waiting for fifos, etc...
> usleep(0) is not good for this because it's jiffy based and usually
> never returns in less than 10 msec which has the effect of making
> interactivity worse instead of better.  I'm not sure which platforms 
> don't export sched_yield() and which will need alternative 
> implementations.

FIFO busy loops are very quick. You'll harm overall graphic performance
by yielding. 


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