Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!uunet!brunix!cgy
From: cgy@cs.brown.edu (Curtis Yarvin)
Newsgroups: comp.unix.wizards
Subject: Re: FIONREAD
Message-ID: <69906@brunix.UUCP>
Date: 26 Mar 91 22:02:23 GMT
References: <69819@brunix.UUCP> <11473@dog.ee.lbl.gov>
Sender: news@brunix.UUCP
Reply-To: cgy@cs.brown.edu (Curtis Yarvin)
Organization: Brown University Department of Computer Science
Lines: 15

In article <11473@dog.ee.lbl.gov> torek@elf.ee.lbl.gov (Chris Torek) writes:
>In article <69819@brunix.UUCP> cgy@cs.brown.edu (Curtis Yarvin) writes:
>>What is the most elegant way of duplicating Sun's FIONREAD ioctl, which
>>gets the number of bytes readable from a descriptor, on 4.3BSD systems?
>
>The `most elegant' is to avoid it altogether---FIONREAD tends to induce races

This is no doubt why Ultrix, at least, buried it deep within the bowels of
the tty(4) page.  Thanks to everyone who replied.

curtis

"I tried living in the real world
 Instead of a shell
 But I was bored before I even began." - The Smiths