On Thu, Mar 20, 2008 at 09:10:10PM +0100, vincent-perrier wrote:
> I am doing a network simulator replacing all the cables between
> network machine interfaces by a logical switch in a single process.
> I would need also to simulate serial cables between /dev/ttyx of a
> machine and /dev/ttyz of another machine, how is it possible?
> (a machine is an uml machine, of course)
You can use a host pts device for this. Have one UML hook itself up
to the master side (conx=pts) and have the the other hook itself up to
the slave side (I think it's a tty, so conx=tty:/dev/pts/n once you've
asked the first UML what pts device it got). Host devices aren't
opened until something inside the UML opens the UML /dev/ttyx, so
there will have to be a getty or something running on it before you
ask about what host pts device it got.
Jeff
--
Work email - jdike at linux dot intel dot com
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