Re: CVS commit: src/sys

[Paul Goyette <paul%whooppee.com@localhost>]

On Wed, 4 Jan 2017, Robert Elz wrote:

>    Date:        Wed, 4 Jan 2017 05:52:45 +0000
>    From:        David Holland <dholland-sourcechanges%netbsd.org@localhost>
>    Message-ID:  <20170104055245.GA16923%netbsd.org@localhost>
>
>  | also make it nsec...
>
> Since it is a 64  bt value, better would be pico-secs if it is going
> to continue to be a timeval/timespec kind of number - but better would be
> to make it be a binary fraction of a second (ie: fixed point with the
> point to the left of the MSBit position - then the precision can grow
> as needed (to absurd values) without canging the API)

Either is possible, although converting to fixed-point fraction is
marginally more expensive (requires a division vs multiplication).

Does anyone else have any preferences?  I'd prefer that the next "touch"
on this be the last one, at least for a while.   :)




+------------------+--------------------------+------------------------+
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:      |
| (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com   |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org |
+------------------+--------------------------+------------------------+