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From: Jan Kiszka <jan.kiszka@domain.hid>
To: rob@domain.hid
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Non-Real-Time Asynchronous Notification
Date: Thu, 20 Mar 2008 20:29:19 +0100	[thread overview]
Message-ID: <47E2BB0F.9050704@domain.hid> (raw)
In-Reply-To: <001a01c88a0d$5365af40$9601a8c0@domain.hid>

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Robert McCullough wrote:
> Hi,
> 
> How do I signal an asynchronous notification from a RTDM real-time task to a
> non-real-time user-space Linux thread?
> Do I use Non-Real-Time Signaling Services (rtdm_nrtsig_init,..)?
> If so, how?
> 
> Here is the current code that I am trying to port to RTDM.
> 
> Current driver code to signal non-real-time Linux thread:
> 
> 	// If event
> 	if(event){
> 		// and signal asynchronous readers 
> 		if (kmdpr_device->async_queue)
> 			kill_fasync(&kmdpr_device->async_queue, SIGIO,
> POLL_IN);
> 	}

Just push this code in the rtdm_nrtsig handler and trigger the handler 
execution from RT context.

Jan


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  reply	other threads:[~2008-03-20 19:29 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-19 22:05 [Xenomai-help] Non-Real-Time Asynchronous Notification Robert McCullough
2008-03-20 19:29 ` Jan Kiszka [this message]
2008-03-21 14:57   ` Robert McCullough
2008-03-21 20:09     ` Jan Kiszka
2008-03-31 15:22       ` Robert McCullough
2008-04-01 23:07         ` Jan Kiszka
2008-04-02 13:29           ` Robert McCullough
2008-04-05 15:41             ` Jan Kiszka
2008-04-09 18:31               ` Robert McCullough

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