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Date: Tue, 13 Dec 2011 10:03:46 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-help] When startup the preemptive priority-base
 scheduling, at the start pont, I observed the output with wrong order.
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To: Lifeng Wang <lfwangcn@domain.hid>
Cc: xenomai@xenomai.org

On 12/13/2011 03:48 AM, Lifeng Wang wrote:
> Why is it not?
> Can someone tell me why and tell me how to write the correct code for the
> preemptive priority-base scheduling.

rt_printf does not preserve the order of prints between tasks. Besides
with rt_print_auto_init, the first rt_printf may cause a call to malloc,
which may cause a switch to secondary mode.

So you should not rely on what the test prints.

-- 
                                                                Gilles.