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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: asynchronous task communication
Date: Thu, 3 Jan 2013 14:17:06 +0100
Organization: cbb software GmbH
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Date: 2013-01-03T14:17:06+01:00
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On Thu, 03 Jan 2013 13:11:21 +0100, Georg Bauhaus wrote:

> However, I guess you could use
> CAS based access to the letter boxes, in particular if the number
> of messages is fixed.

If there is strictly one producer, which is normally the case for such
structures, you do not need anything but simple atomic (RM C.6(3)) read and
update in order to implement an lock-free queue or blackboard. No intrinsic
CAS.

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