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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: RFC: Prototype for a user threading library in Ada
Date: Wed, 6 Jul 2016 19:32:39 -0500
Organization: JSA Research & Innovation
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Date: 2016-07-06T19:32:39-05:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message 
news:nliir0$1a7l$1@gioia.aioe.org...
> On 05/07/2016 23:53, Randy Brukardt wrote:
...
>> Nothing in the core language of Ada requires tasks to be pre-emptive.
>
> Some applications rely on time sharing and most do on close to instant 
> switching to a task of higher priority.

Priorities are evil and almost always used poorly, that is to do something 
that should be accomplished explicitly with locking or the like. No system 
I'm contemplating has any priorities.

                                  Randy.