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Date: Wed, 07 Aug 2013 21:08:23 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai] polling task and rt_task_sleep()
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To: Skander Bahloul <skander.bahloul@imag.fr>
Cc: xenomai@xenomai.org

On 08/07/2013 05:22 PM, Skander Bahloul wrote:
> Hi,
> 
> well, I surprised that it blocked parent process.
> 
> Is it really normal?

You should read some documentation about the SCHED_FIFO scheduling
policy, yes, the task with the highest priority runs as long as it is
runnable. Whether a task is the parent or child does not matter, only
scheduling policies and priorities matter to the scheduler.

-- 
                                                                Gilles.