From: "Dmitry Adamushko" <dmitry.adamushko@domain.hid>
To: Markus.Franke@domain.hid
Cc: Xenomai help <xenomai@xenomai.org>
Subject: Re: [Xenomai-help] CONFIG_PREEMPT & irqbench
Date: Wed, 14 Feb 2007 13:10:56 +0100 [thread overview]
Message-ID: <b647ffbd0702140410r14617bdbt58f60cd9049c52af@domain.hid> (raw)
In-Reply-To: <45D2E86C.2010200@domain.hid>
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.
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.
--
Best regards,
Dmitry Adamushko
next prev parent reply other threads:[~2007-02-14 12:10 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-14 0:01 [Xenomai-help] CONFIG_PREEMPT & irqbench Markus Franke
2007-02-14 8:53 ` Jan Kiszka
2007-02-14 9:00 ` Jan Kiszka
2007-02-14 9:59 ` Markus Franke
2007-02-14 10:17 ` Jan Kiszka
2007-02-14 9:59 ` Markus Franke
2007-02-14 10:28 ` Jan Kiszka
2007-02-14 10:46 ` Markus Franke
2007-02-14 12:10 ` Dmitry Adamushko [this message]
2007-02-14 12:54 ` Markus Franke
2007-02-14 12:22 ` Jan Kiszka
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