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: 103376,1ce6fddc56263182
X-Google-Attributes: gid103376,public,usenet
X-Google-Language: ENGLISH,ASCII-7-bit
Path: 
 g2news2.google.com!news4.google.com!proxad.net!feeder1-2.proxad.net!news.in2p3.fr!in2p3.fr!univ-lyon1.fr!news.ens-lyon.fr!news.imag.fr!not-for-mail
From: Xavier Nicollin <Xavierno.Spamnicollin@imag.nos.pam.fr>
Newsgroups: comp.lang.ada
Subject: Re: Ravenscar and run-time program parameters
Date: Fri, 31 Aug 2007 11:01:03 +0200
Organization: IMAG
Message-ID: <fb8ljg$r4i$1@trompette.imag.fr>
References: <1188373703.936484.105650@w3g2000hsg.googlegroups.com>
   <tfb3bf.09g.ln@hunter.axlog.fr>   <L_gBi.62532$Xa3.17318@attbi_s22>
 <1188456764.786015.30640@o80g2000hse.googlegroups.com>
 <nEKBi.80953$Fc.67423@attbi_s21>
NNTP-Posting-Host: cousson.imag.fr
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
X-Trace: trompette.imag.fr 1188551088 27794 129.88.43.75 (31 Aug 2007 09:04:48
 GMT)
X-Complaints-To: abuse@imag.fr
NNTP-Posting-Date: Fri, 31 Aug 2007 09:04:48 +0000 (UTC)
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.13) Gecko/20060417
X-Accept-Language: en-us, en
In-Reply-To: <nEKBi.80953$Fc.67423@attbi_s21>
Xref: g2news2.google.com comp.lang.ada:1620
Date: 2007-08-31T11:01:03+02:00
List-Id: <comp.lang.ada>

Hi,

Jeffrey R. Carter wrote:

> One is given at
> 
> http://www.sigada.org/ada_letters/jun2004/ravenscar_article.pdf
> 
> However, it is incorrect, because Suspend_Until_True is a potentially 
> blocking operation and may not be called from a protected operation. You 
> may be able to infer a correct implementation from this.

I suppose you are talking about Example 12 (p. 32). I believe (and I hope!)
it is correct: the two calls to Suspend_Until_True take place in the
regular procedures (Place_Item and Extract_Item), and not in the protected
ones (Place and Extract). I am missing something?

-- 
Xavier Nicollin