From: "Thomas Harte" <ThomasHarte AT DELETE DOT lycos DOT co DOT SPAM DOT uk>
Newsgroups: comp.os.msdos.djgpp
Subject: Logging data from an interrupt to a file
Date: Wed, 17 Jul 2002 18:57:57 +0000 (UTC)
Organization: BT Openworld
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

I wish to write a program that will log all keyboard events during the
execution of another program. This has not proved too taxing to write - I
have simply followed the various parts of the DJGPP FAQ on interrupt
handlers, chained one to the keyboard interrupt, and logged all activity in
that. The second program is then spawn'd and runs perfectly happily.

My problem is that although logging to a memory buffer is nice, I would like
to log to disc. But I can't find a way to do this, assuming that I don't
have the memory to log all keypresses and then write them to disc when the
second program terminates.

What would I do to achieve this?

-Thomas