From: Rodrigo Rosenfeld Rosas <lbocseg@domain.hid>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Have condition variables Priority Inheritance Protection (PIP)?
Date: Wed, 3 May 2006 13:15:01 -0300 [thread overview]
Message-ID: <200605031315.01583.lbocseg@domain.hid> (raw)
In-Reply-To: <4458625C.5020808@domain.hid>
Em Quarta 03 Maio 2006 04:57, Jan Kiszka escreveu:
>> ...Or should I use other IPC mechanism for sharing resource with
>> PIP?
>
>Mutexes were invented for such resource access control :). They have a
>strict ownership concept, thus allowing to apply PIP as well.
Yes, however I can't figure out how could I use mutexes as counting
semaphores, for instance. They have different meanings. However I could think
in semaphores protected by PIP in singular cases, although I couldn't figure
out how to do it in a systematic approach so that it could be used in a
realtime framework such as Xenomai...
Rodrigo.
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next prev parent reply other threads:[~2006-05-03 16:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-28 20:36 [Xenomai-help] Have condition variables Priority Inheritance Protection (PIP)? Rodrigo Rosenfeld Rosas
2006-04-28 20:42 ` Jan Kiszka
2006-05-02 12:36 ` Rodrigo Rosenfeld Rosas
2006-05-03 7:57 ` Jan Kiszka
2006-05-03 16:15 ` Rodrigo Rosenfeld Rosas [this message]
2006-05-04 6:54 ` Jan Kiszka
2006-05-04 13:58 ` Rodrigo Rosenfeld Rosas
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