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Re: KITTEN: IETF 75 - 76

Nicolas Williams <Nicolas.Williams@sun.com> Thu, 03 September 2009 16:33 UTC

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Date: Thu, 03 Sep 2009 11:05:23 -0500
From: Nicolas Williams <Nicolas.Williams@sun.com>
To: Volker Lendecke <Volker.Lendecke@SerNet.DE>
Subject: Re: KITTEN: IETF 75 - 76
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References: <20090901181307.fe1d4efa.miallen@ioplex.com> <98F14484-1B48-45A1-86E7-5E78383F5109@kth.se> <20090901214059.17a309e6.miallen@ioplex.com> <4A9E22D9.9050405@samba.org> <20090902153241.GJ1033@Sun.COM> <20090902172015.da056c19.miallen@ioplex.com> <20090902212652.GX1033@Sun.COM> <395_1251953035_n834hs6R012125_20090902211200.8a2dd378.miallen@ioplex.com> <0AB8FDC38BE7B55EB358D7FA@minbar.fac.cs.cmu.edu> <E1MjESp-003YOF-Vu@intern.SerNet.DE>
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Cc: kitten@ietf.org, Love@core3.amsl.com, Volker Lendecke <vl@SerNet.DE>, Jeffrey Hutzelman <jhutz@cmu.edu>
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On Thu, Sep 03, 2009 at 05:43:11PM +0200, Volker Lendecke wrote:
> Sorry to step in here, but there's tons of example for
> portable async APIs. One that I just adapted Samba to is the
> API used in the avahi libs. You hand the avahi libs a set of
> callback functions like "listen on this fd for read" and so
> on, and you are called back by avahi when something
> interesting happens.

Yes, that too is possible: abstract the application's event loop and
export it to libraries.  That is complicated and only sightly more
portable than just exporting file descriptor lists from the library to
the app.

> This is definitely doable without the requirement for
> threads. It may be a complex API, but async programming
> never has been easy.

Indeed.

I'm not sure we'll ever reach consensus on a single async GSS API.  We
might have to do more than one, or none at all.

Nico
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