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From: Cornelius@SUMEX-AIM.STANFORD.EDU (Craig Cornelius)
Newsgroups: comp.sys.sgi
Subject: Programming question
Message-ID: <12352172491.17.CORNELIUS@SUMEX-AIM.STANFORD.EDU>
Date: Fri, 20-Nov-87 14:10:01 EST
Article-I.D.: SUMEX-AI.12352172491.17.CORNELIUS
Posted: Fri Nov 20 14:10:01 1987
Date-Received: Sun, 22-Nov-87 21:47:13 EST
Sender: daemon@ucbvax.BERKELEY.EDU
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I'm writing a network interface (TCP/IP) for a program (written in C for
an IRIS 3020) that also does graphics display.  The idea is that the program
will accept a connection over the net, check the connection for commands,
and then interpret the commands and change the display appropriately.

In an early version of this, Bruce Duncan of our lab had the display responding
to mouse positions and other commands from a Xerox 11XX LISP workstation.

The problem:  SELECT is a graphics routine.  There is also a SELECT routine
for determining in a network message has been received.  I want to use
both!  Does SGI have a solution to this problem?  Has anyone else
developed a work-around?  Our initial solution was to use IOCTL to use
the network connection as if it were a stream from a terminal, but this
is really hacky and not at all in the spirit of network interfacing.

Comments and suggestions are welcome.

Craig Cornelius
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