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=-0.3 required=5.0 tests=BAYES_00,
	REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4
X-Google-Thread: 103376,344faf475a6f812a
X-Google-NewGroupId: yes
X-Google-Attributes: gida07f3367d7,domainid0,public,usenet
X-Google-Language: ENGLISH,ASCII-7-bit
X-Received: by 10.68.246.229 with SMTP id xz5mr5587477pbc.1.1366707436997;
        Tue, 23 Apr 2013 01:57:16 -0700 (PDT)
Path: 
 bp1ni465pbd.1!nntp.google.com!news.glorb.com!feeder.erje.net!eu.feeder.erje.net!newsfeed.datemas.de!rt.uk.eu.org!aioe.org!.POSTED!not-for-mail
From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Interresting difference in Normal-Returns/Expression-Functions
 and Extended-Returns.
Date: Tue, 23 Apr 2013 10:58:14 +0200
Organization: cbb software GmbH
Message-ID: <1859197u3t4oa$.1wtkmyshdiqo1$.dlg@40tude.net>
References: <97967083-d21d-4de2-aeb8-76d0d5818993@googlegroups.com>
 <1b3buvosg9fcq$.z1uq1tdfril2$.dlg@40tude.net>
 <e0c67da2-159a-4a37-b199-1d80312f6aca@googlegroups.com>
Reply-To: mailbox@dmitry-kazakov.de
NNTP-Posting-Host: FbOMkhMtVLVmu7IwBnt1tw.user.speranza.aioe.org
Mime-Version: 1.0
X-Complaints-To: abuse@aioe.org
User-Agent: 40tude_Dialog/2.0.15.1
X-Notice: Filtered by postfilter v. 0.8.2
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Date: 2013-04-23T10:58:14+02:00
List-Id: <comp.lang.ada>

On Mon, 22 Apr 2013 13:11:41 -0700 (PDT), Shark8 wrote:

> On Monday, April 22, 2013 1:13:47 PM UTC-6, Dmitry A. Kazakov wrote:

>> 3. Do not return anonymous access objects created by allocator new. It is
>> almost always a bug.
> 
> Yeah, adding a named access-type probably would clean up the code a little.

No, it is not cleaning the code it is about having a bug. Anonymous access
types is an evil (as well as expression-functions, of course).

Anyway, the relevant RM section is 7.6.1(11). You have finalization
intermixed with the tasks warm-up. The result is a race condition.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de