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From: "Tarjei T. Jensen" <tarjei.jensen@kvaerner.com>
Newsgroups: comp.lang.ada
Subject: Re: howto make system calls (newbie question)
Date: Tue, 8 May 2001 16:12:57 +0200
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Larry Kilgallen
>Console I/O - secure operating systems are likely to prevent a program
> run by an ordinary user from accessing the console, to prevent
> password grabbing attacks against the operator.

Try again. console I/O means that there are no GUI.

>Turbo Poascal style strings - please describe.  Given Ada String,
>Bounded String and Unbounded Strings, I am hard-pressed to thing
>of capabilities that are missing.

This has been discussed before in this newsgroup.

>Set File Protection - this certainly cannot be made uniform across
>operating systems. VMS has SOGW, Unix (at least some) have one fewer.
>A major way operating systems distinguish themselves is by differences
>in their ACLs.

Of course it can. It is just a bit of work and som common sense. The posix
(or was it C) standard have some suggestions about how to do it.

>Standard datatypes for system calls - And what good will a VMS-style
>descriptor do me on a Unix system ?

Beats me. Why would you want that?


Greetings,