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Re: UpTime() in IOKit ?



Hi Garth!

During the protocol with our card we have to wait on some bits in one of the
cards registers.
We use to do polling with a timeout of some hundreds of microseconds.
With a loop with IOSleep or IODelay inside we lose performance.

What do you think ?


----- Original Message -----
From: "Garth Cummings" <email@hidden>
To: "Markus Bollinger" <email@hidden>
Cc: <email@hidden>
Sent: Monday, February 11, 2002 6:14 PM
Subject: Re: UpTime() in IOKit ?


> Hi Markus,
>
> Before answering this, could you please provide more context on what you
> need to poll? Polling is strongly discouraged on Mac OS X since it
> wastes CPU cycles that could be used to do real work for the user.
>
> Thanks,
> --gc
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References: 
 >Re: UpTime() in IOKit ? (From: Garth Cummings <email@hidden>)



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