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From: Niklas Holsti <niklas.holsti@tidorum.invalid>
Newsgroups: comp.lang.ada
Subject: Re: RFC: Prototype for a user threading library in Ada
Date: Thu, 7 Jul 2016 09:08:19 +0300
Organization: Tidorum Ltd
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Xref: news.eternal-september.org comp.lang.ada:31030
Date: 2016-07-07T09:08:19+03:00
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On 16-07-07 03:32 , Randy Brukardt wrote:
> "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.

Are you not contemplating any real-time systems? If you are, what do you 
use instead of priorites, to ensure that urgent activities are done in time?

-- 
Niklas Holsti
Tidorum Ltd
niklas holsti tidorum fi
       .      @       .