New "timeout" api, to replace callout

[Poul-Henning Kamp]

In message <20071202.085316.723205116.imp at bsdimp.com>, "M. Warner Losh" writes:

>Does this mean that you're planning a so-called tickless
>implementation?

Time permitting, yes.

First order of business is getting the API introduced, then to clean
up the places where the 20-line hack for cleaning up callouts has
happened, and them move on in natural order from there.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.