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From: costello@mbunix.mitre.org (Costello)
Newsgroups: comp.unix.questions
Subject: Need help generating SIGIO on a unix socket
Keywords: SIGIO, socket
Message-ID: <1991Jan17.132309.25839@linus.mitre.org>
Date: 17 Jan 91 13:23:09 GMT
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Organization: The MITRE Corp., Bedford MA
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Originator: costello@mbunix.mitre.org
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Hello, I am trying to set up a unix socket such that a SIGIO signal is
automatically generated when data arrives on the socket. I have tried
the following:

	s = socket(AF_UNIX, SOCK_STREAM, 0);
	fcntl(s, F_SETOWN, getpid());

This, however, does not seem to work, i.e. the signal handler that I have
set up does not catch the SIGIO signal. (I know that the signal handler
is working properly and I know that I am getting data on the socket.) I am
doing this on an Apple IIx running A/UX 1.1. Any ideas? Please e-mail to 
me: costello@mitre.org  Thanks! /Roger