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From: jim@ci-dandelion.UUCP (Jim Fulton)
Newsgroups: comp.graphics
Subject: Re: Using MIT X window-system
Message-ID: <275@ci-dandelion.UUCP>
Date: Wed, 21-Jan-87 15:24:48 EST
Article-I.D.: ci-dande.275
Posted: Wed Jan 21 15:24:48 1987
Date-Received: Fri, 23-Jan-87 06:40:51 EST
References: <502@daimi.UUCP> <102300001@datacube>
Organization: Cognition, Inc., Billerica, Ma.
Lines: 20
Summary: Porting X to non-Unix systems

> How hard is it to port X to non-unix environments?

For the server code, it depends on how easily you can emulate select(2).  If
you can do that (including providing a way for it to be woken up by the
network and by the input device) then you should have relatively few problems.
This is what enables the server to efficiently wait for input from any client
on the network or from the tablet or mouse.  If your server doesn't have to
share the machine with any other processes then polling will work; but if
you're using a multitasking machine a "real" select is pretty important.

For those who are interested I have a note that I sent out to the XPERT and
XPORT mailing lists describing PC/X, our port of X10 that runs on a PC/AT
under MS-DOS using a 1280x1024 Hitachi ACRTC-based graphics card.  Send me
mail and I'll forward it on to you.

							Jim Fulton
							Cognition Inc.
                                                        900 Tech Park Drive
UUCP:  ...!{mit-eddie,talcott}!ci-dandelion!jim         Billerica, MA
ARPA:  fulton@eddie.mit.edu, jim@athena.mit.edu         (617) 667-4800