From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Wed, 14 Feb 2007 13:54:31 +0100
From: Markus Franke <Markus.Franke@domain.hid>
MIME-Version: 1.0
Subject: Re: [Xenomai-help] CONFIG_PREEMPT & irqbench
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Dmitry Adamushko wrote:
> On 14/02/07, Markus Franke <Markus.Franke@domain.hid> wrote:
> 
>> Jan Kiszka wrote:
>> > Of course, irqloop runs in *primary* mode to be able to handle the
>> > events deterministically. So it is not directly affected by
>> CONFIG_PREEMPT.
>>
>> If I start irqloop in User-Mode, a thread is simply created via Linux
>> system call pthread_create() which interacts with the
>> xeno_irqbench-driver via ioctl(). But then I don't understand why
>> irqloop is running in Primary (Xenomai) Mode? Because of the interaction
>> with the RTDM-based driver?
>> I am just wondering because I can't see something like rt_task_create().
> 
> 
> There is life beyond the native skin. e.g. the posix one.

Thank you very much for this hint. :-)
Now I got it.

> After all, Xenomai is all about skins (layers implementing various RT
> API interfaces).
> 
> So pthread_create() as well as ioctl() you may see in irqloop are
> implemented ("shadowed") by the posix skin.

Actually I should know this.

Regards,
Markus


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