a proposed callout API

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Nov 15 09:04:19 UTC 2006


In message <20061115084025.GA914 at turion.vk2pj.dyndns.org>, Peter Jeremy writes:

>On Mon, 2006-Nov-13 21:38:21 +0000, Poul-Henning Kamp wrote:
>>The other thing is that covering the entire range from hour long
>>callouts to nanosecond callouts would require a 64 bit value or
>>a tricky pseudo-FP encoding.  By splitting them in two classes,
>>I can use two different 31 bit encodings separated by the top bit.
>
>This sounds like a pseudo-FP encoding with a very small exponent and a
>relatively large mantissa :-)

Well, yes...  :-)
 
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Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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