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Groups > comp.programming.threads > #541

Re: Priority-Inversion

From Gerald Breuer <Gerald.Breuer@googlemail.com>
Newsgroups comp.programming.threads
Subject Re: Priority-Inversion
Date 2011-09-06 16:36 +0200
Organization Aioe.org NNTP Server
Message-ID <j45b5r$qud$1@speranza.aioe.org> (permalink)
References <j43d2h$709$1@speranza.aioe.org> <4e65be1a$0$7628$9b4e6d93@newsspool1.arcor-online.net>

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Am 06.09.2011 08:30, schrieb Marcel Müller:

>> Can anyone tell me a *practical* problem where priority
>> -inversion through mutexes becomes a real problem?

> As soon as you share a resource that is protected by a mutex between
> threads with different priorities, priority inversion comes into play.
> If you need the different priorities of your threads you will also need
> to care about priority inversion. If you do not care about the priority
> inversion the different thread priority are optional too.

I aked for a practical problem, not for a explanation what PI is;
I'm aware of the theoretical problem.

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Thread

Priority-Inversion Gerald Breuer <Gerald.Breuer@googlemail.com> - 2011-09-05 22:56 +0200
  Re: Priority-Inversion Gerald Breuer <Gerald.Breuer@googlemail.com> - 2011-09-06 03:15 +0200
  Re: Priority-Inversion Marcel Müller <news.5.maazl@spamgourmet.com> - 2011-09-06 08:30 +0200
    Re: Priority-Inversion Gerald Breuer <Gerald.Breuer@googlemail.com> - 2011-09-06 16:36 +0200
      Re: Priority-Inversion Marcel Müller <news.5.maazl@spamgourmet.com> - 2011-09-06 23:47 +0200
        Re: Priority-Inversion Gerald Breuer <Gerald.Breuer@googlemail.com> - 2011-09-07 00:37 +0200
          Re: Priority-Inversion Marcel Müller <news.5.maazl@spamgourmet.com> - 2011-09-07 12:06 +0200
      Re: Priority-Inversion Lewis NH2 <lew.nh2@googlemail.com> - 2011-09-09 09:56 -0700
  Re: Priority-Inversion Hallvard B Furuseth <h.b.furuseth@usit.uio.no> - 2011-09-06 12:34 +0200

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