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Re: task #5130 - random translator

From: Thomas Schwinge
Subject: Re: task #5130 - random translator
Date: Fri, 2 Mar 2007 15:16:44 +0100
User-agent: Mutt/1.5.11


On Sun, Feb 04, 2007 at 09:01:03PM +0100, Kenneth ?stby wrote:
> I've finally gotten some time to do some reading and stuff + written my
> first translator,
> which is not all that random at first go, but I'm getting somewhere. Now, as
> Mr. Braun said,
> a random generator need kernel support, and in that case I need some help /
> information.
> So here's a braindump. Please remember that I'm still quite new at this :)
> It seems like the correct way to go is to trap some sort of
> keyboard/network/interrupt. How is the right way to trap those
> ? Is there a interrupt handler somewhere in the code where I can insert a
> trap, or am I on the wrong track ?

You should perhaps have a look at this patch:
<http://download.ibofobi.dk/hurd-entropy/gnumach-entropy.diff.bz2>, (now)
linked from <http://hurd.gnufans.org/bin/view/Hurd/RandomDevice>.

> Now the next question, is there some documentation about the workings of MiG
> and any recommended code parts I can look at to see how the IPC is done?

There are the ``Hurd Hacking Guide, an introduction to GNU Hurd and Mach
programming by Wolfgang J??hrling'', the ``Unofficial GNU Mach IPC
beginner's guide, an easy introduction to Inter Process Comunication in
the Mach microkernel by Manuel Pav??n Valderrama'' and ``Mach IPC without
MIG, an exercise by Neal H Walfield to understand Mach IPC at one of its
lowest application levels'' -- all (now) available from

> Still much to learn, but I'm liking it :)

That's the most important thing of everything!  :-)


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