From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Thread: 103376,7d5642dc1158588b
X-Google-Attributes: gid103376,public
X-Google-Language: ENGLISH,ASCII-7-bit
Path: 
 g2news2.google.com!news3.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newsfeed00.sul.t-online.de!t-online.de!130.59.10.21.MISMATCH!kanaga.switch.ch!news-zh.switch.ch!switch.ch!cernne03.cern.ch!not-for-mail
From: Maciej Sobczak <no.spam@no.spam.com>
Newsgroups: comp.lang.ada
Subject: Re: Ravenscar - program termination
Date: Tue, 30 Jan 2007 09:09:11 +0100
Organization: CERN News
Message-ID: <epmuf7$ihm$1@cernne03.cern.ch>
References: <epl7mp$tls$1@cernne03.cern.ch>
 <87zm81txs1.fsf@ludovic-brenta.org>
NNTP-Posting-Host: abpc10883.cern.ch
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Trace: cernne03.cern.ch 1170144551 18998 137.138.37.241 (30 Jan 2007
 08:09:11 GMT)
X-Complaints-To: news@@cern.ch
NNTP-Posting-Date: Tue, 30 Jan 2007 08:09:11 +0000 (UTC)
User-Agent: Thunderbird 1.5.0.9 (X11/20061220)
In-Reply-To: <87zm81txs1.fsf@ludovic-brenta.org>
Xref: g2news2.google.com comp.lang.ada:8701
Date: 2007-01-30T09:09:11+01:00
List-Id: <comp.lang.ada>

Ludovic Brenta wrote:

>> Do I understand correctly that Ravenscar programs are by definition
>> running forever? What about programs that are expected to finish?
> 
> Yes, it is my understanding as well, and I'm happy with that.
> 
>     I remember being impressed with Ada because you could write an
>     infinite loop without a faked up condition. The idea being that in
>     Ada the typical infinite loop would normally be terminated by
>     detonation.  -- Larry Wall

:-)

> The Ravenscar profile is specifically targeted at high-integrity
> systems, where infinite loops are, I think, the norm.

Sorry, but I don't see anything in the concept of high-integrity 
software that would make it a norm. High-integrity software is a set of 
quality objectives, whereas infinite loops are (or aren't) part of 
system requirements. These should stay independent, even though I 
understand that expectations for both often come in pairs.

OK, just nit-picking. ;-)
I wanted to be sure that I understand it correctly, thanks.
Still, it looks like I cannot say:

pragma Profile(Ravenscar);

in my Hello World program even though this program meets the objectives 
of the profile. That's not fair! :-)

-- 
Maciej Sobczak : http://www.msobczak.com/
Programming    : http://www.msobczak.com/prog/