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From: Terry Lambert <terry@lambert.org>
Message-Id: <199703121842.LAA27798@phaeton.artisoft.com>
Subject: Re: pcvt/132 columns
To: james@wgold.demon.co.uk (James Mansion)
Date: Wed, 12 Mar 1997 11:42:07 -0700 (MST)
Cc: FreeBSD-hackers@freebsd.org
In-Reply-To: <3325AB73.7FD1@wgold.demon.co.uk> from "James Mansion" at Mar 11, 97 06:58:59 pm
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> Be realistic - it might load your app, but it continues to provide
> services to the app (and the various device drivers).
> 
> It is not 'just a loader'.
> 
> Its an OS.
> 
> A nasty one.

Heh.

> > o       Resource tracking
> >         o       Memory (the big one)
> >         o       Open file handles
> >         o       Anything not hung off the PSP
> 
> Show me a definition (other than YOURS that makes this a requirement.

Will you accept Tannebaum as a reference, or is that too prejudicial?  8-).

> > o       Memory protection
> 
> Hmm - maybe we should call Apple's system 'MacLoader' then.

Good idea.  I second the motion. Opposition?

...

Motion passes.  8-).


> > o       System reentrancy (there is a single BIOS call stack for
> >         most BIOS calls, which is why they are not available to
> >         TSR's that don't supply their own system stack)
> 
> Again, show me a justification why this is a requirement.

You said that DOS provides services to the app after it loads it.
I would say that DOS does not provide servies to the app, it becomes
part of the app.  Whether you can unglue it enough to unload the
app or not is a valid question with a large number of DOS programs.
FBSDBOOT.EXE for instance... 8-).


					Regards,
					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.