Date:	Fri, 3 May 1996 20:26:45 -0400
From:	dj (DJ Delorie)
Message-Id:	<199605040026.UAA28343@delorie.com>
To:	bram AT gig DOT nl
CC:	djgpp AT delorie DOT com
In-reply-to:	<4m9v6f$mnq@news.euro.net> (bram@gig.nl)
Subject:	Re: [Q] non-blocking reads?

> So, which mega-coder is going to help me out here?

PCs do have one thing that unix doesn't.  There's a BIOS hook that you
can hook (probably a DOS hook also) that will get called with one
value when the system becomes idle waiting for I/O, and later gets
called with another value when the data is ready.  Basically, on the
first call you start doing stuff, and the second sets a flag that the
first notices and thus returns to the original task.

Not likely to be easy to use under DJGPP, but there it is.

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