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From: johnherro@aol.com (John Herro)
Subject: Re: How to bypass CTRL-C?
Date: 1999/01/28
Message-ID: <19990128091704.01259.00000118@ngol04.aol.com>#1/1
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Organization: AOL http://www.aol.com
Newsgroups: comp.lang.ada
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Date: 1999-01-28T00:00:00+00:00
List-Id: <comp.lang.ada>


psx2@videotron.ca wrote:
> How can I block the CTRL-C keys so that the
> program can not terminate that way.

If you're using DOS with an Ada compiler that lets you call the DOS interrupts,
call interrupt 16#21#, function 16#07#.  This will put the character in AL
without echoing it, and without allowing Ctrl-C to break.  Separately echo the
character if you want.

If you're using DOS with the Open Ada compiler, there's a simpler solution:
with Tty;
...
  C : Character;
...
  C := Tty.Get(Direct => True);

- John Herro
You can download a shareware AdaTutor program at
http://members.aol.com/AdaTutor.