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From: dewar@cs.nyu.edu (Robert Dewar)
Newsgroups: comp.lang.ada
Subject: Re: Ada replacements for DOS I/O
Date: 3 Nov 1994 18:05:37 -0500
Organization: Courant Institute of Mathematical Sciences
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References: <399kl4$4fv@news.delphi.com>
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Date: 1994-11-03T18:05:37-05:00
List-Id: <comp.lang.ada>

The limitation in DOS on simultaneous I/O has nothing to do with device
drivers, it comes from the fact that the Int 21h handler is single
threaded!