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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Getting the index for an element in mutually referencing
 containers
Date: Sun, 12 Mar 2017 11:21:28 +0000
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Date: 2017-03-12T11:21:28+00:00
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"G.B." <bauhaus@notmyhomepage.invalid> writes:

> On 12.03.17 09:22, Simon Wright wrote:
>> Niklas Holsti <niklas.holsti@tidorum.invalid> writes:

>>> How about this one: the SW generates messages (telemetry packets)
>>> reporting various sorts of data and events.

>>> This use of reference counting is a typical design in satellite
>>> on-board SW.

>> I still have a feeling that this is an in-computer software technique
>> which resolves a software problem, rather than a necessary response
>> to an application-domain problem.
>
> The radio operators, log inspectors, or message-monitoring staff might
> feel overlooked after being changed into a software problem! ;-)

Yes, but you could solve that by sending a copy of each message to seach
recipient, rather than a reference to a reference-counted
message. Reference counting is a solution to an internal (memory,
possibly time) resource problem.