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From: Robert A Duff <bobduff@shell01.TheWorld.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada advocacy
Date: Tue, 18 Jun 2013 13:15:07 -0400
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Date: 2013-06-18T13:15:07-04:00
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Peter Brooks <peter.h.m.brooks@gmail.com> writes:

> On Jun 18, 3:28 am, Dennis Lee Bieber <wlfr...@ix.netcom.com> wrote:
>>
>>
>>         Ada was basically the first LANGUAGE that defined multi-tasking IN THE
>> LANGUAGE itself. Before it, one had to use OS specific system calls to
>> create tasks -- if such a call was even available, in contrast to creating
>> processes at the command line level.
>>
> The second. Algol68 did.

Others, too.  Per Brinch-Hansen's Concurrent Pascal, for example.  It
has something-like Ada tasks (no rendezvous; no big loss), and
something-like Ada protected objects (without barriers -- that's
a big loss).

But Dennis is mostly right -- in the olden days, concurrency was mostly
considered an OS issue.

- Bob