Date: Sat, 18 Nov 1995 12:40:14 +0100 (MET) From: Didier Derny <didier@aida.org> To: Terry Lambert <terry@lambert.org> Cc: terry@lambert.org, joerg_wunsch@uriah.heep.sax.de, hackers@FreeBSD.ORG Subject: Re: pty Message-ID: <Pine.BSF.3.91.951118122417.1027A-100000@aida> In-Reply-To: <199511171735.KAA05728@phaeton.artisoft.com>
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On Fri, 17 Nov 1995, Terry Lambert wrote: > > HEY! I've written Minitel code before, for a contract with your ministry > of defense! Big building, looks like an upside-down squared-off "U"! > > 8-). In Paris ? In 1987 I sold a minitel server to a teacher union. During spring time they make more than 12000 connections a day. I will replace their old 486DX33/Interactive Unix by a Pentium-133/FreeBSD-2.1-STABLE machine. I also plan to improve the minitel server for the new services; fast minitel and PC accesses. > I think that the expensive part of the pty is going to be there whether > or not you put in the endpoint. > > You may save on fd's doing this, but I think overall the increased code > complexity in the muxed pty driver will steal back whatever savings you > get that way. > An other idea is to add a bit map of opened pty/ttyp in the pty/ttyp driver to speed up the function that find an unopened pty/ttyp. > Something like this will probably be a false economy, unless maybe you > will put *all* of your code in the kernel. > I'm sure that it would be the best solution but I dont have any idea on how to use tcp/ip from inside the kernel. > > Terry Lambert > terry@lambert.org > --- > Any opinions in this posting are my own and not those of my present > or previous employers. > -- Didier Derny didier@aida.org
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