[Stackless] ALT vs. KQueue? (was: Asyncronous IO (Was: Re: question about stackless)

Christian Tismer tismer at stackless.com
Thu Jan 8 18:16:18 CET 2004

Hi friends,

this is an old Stackless thread from Feb 2002 about
asynchronous I/O.
Especially interesting is the link to the Dan Kegel page.


I promized Tom to find this link, again.
We were discussing usage of ALT statements for
listening on very many internet channels.
There is agreement that ALT isn't suited for
that in it's current form.

I was thinking about a way to mediate between an ALT
(especially the vector ALT, found in Limbo assembly code)
and FreeBSD's KQueue approach.
My idea is to build more primitive code for Stackless,
which is able to support ALT, and KQueue like structures
as well.

Related stuff for the Windows world is the WaitForMultipleObject
system call. By far not as efficient, but with related semantics.

cheers - chris
Christian Tismer             :^)   <mailto:tismer at stackless.com>
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