Date: Thu, 26 Dec 1996 08:21:05 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: Gene Buckle <geneb AT web DOT wa DOT net>
cc: djgpp AT delorie DOT com
Subject: Re: Need "fancy" trick...
In-Reply-To: <Pine.LNX.3.93.961223223553.2067D-100000@web.wa.net>
Message-ID: <Pine.SUN.3.91.961226081853.6244D-100000@is>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII


On Mon, 23 Dec 1996, Gene Buckle wrote:

> I need to develop a program that will act as a "shell" or kernel to other
> applications.  Writing an app that hooks an INT for communication between
> the shell and application isn't a problem.  My sticking point is finding a
> good method of *executing* the application within the shell and have the
> app still be able to talk to the shell via the interrupt hook for doing
> special "system" calls such as graphics drawing, etc.

What's wrong with library functions such as `system' and `spawnXX'?  
Don't they fit the bill?  If you install your own interrupt hooks, I 
don't think you need anything special from the function which launches 
the child.