Subject: Re: Prototype kernel continuation-passing for NetBSD
To: Gordon Waidhofer <>
From: Jesper Louis Andersen <>
List: tech-kern
Date: 01/29/2004 01:04:37
Quoting Gordon Waidhofer (

> The kcont mechanism posted is a nice framework for
> callbacks, as the poster (Johnathon Stone) said.
> I can see how it took its inspiration from continuations.
> All the fiddling to get spls() right for callbacks,
> sequencing, off-level deferal, etc, etc, are kinda
> bundled up here. It looks like one of those things
> that, once you get used to it, you wonder how you did
> without it. We all do the same sorts of things all
> the time without the framework.

mmmm, dynamic-wind and unwind-protect in the NetBSD kernel ?