Date:	Thu, 26 Dec 1996 14:48:11 -0800 (PST)
From:	Gene Buckle <geneb AT web DOT wa DOT net>
To:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
cc:	djgpp AT delorie DOT com
Subject:	Re: Need "fancy" trick...
In-Reply-To:	<Pine.SUN.3.91.961226084824.6244Q-100000@is>
Message-ID:	<Pine.LNX.3.93.961226144409.8523A-100000@web.wa.net>
MIME-Version:	1.0

> > Eli, my understanding of system() and the spawn() functions leads me to 
> > belive that the program that issues those calls could be swapped out of 
> > memory.  This would be VERY bad.
> 
> Your interrupt handler needs to be in locked memory, then it will never 
> be swapped.  This has nothing to do with the way you call the child 
> programs.  DJGPP has a library function to lock regions of memory (see 
> the docs of `__dpmi_lock_linear_region' in the libc reference).
> 

Is it possible to use this method to lock the *entire* program?

g.

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