Re: [Xenomai-help] Maximum number of realtime tasks

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

Daniel Schnell wrote:
> Gilles Chanteperdrix wrote:
> 
>>Pay attention to the stack size of the user-space tasks: the default
>>of 8 Megabytes will exhaust your RAM rapidly. So, you should either :
>>- set the default stack size with ulimit;
>>- or set the the stack size of the created threads, but in this case
>>the main thread will have an 8 Megabytes stack. 
>>
>>In order to set the stack size of a thread, use
>>pthread_attr_setstacksize if using the POSIX skin or the stksize
>>parameter of rt_task_create if using the native skin.  
> 
> 
> If I set the stacksize generally via ulimit -s and additionally via the
> pthread_attr_setstacksize() how is the precedence of one of these calls
> over the other ? Does pthread_attr_setstacksize

Setting the stack size with pthread_attr_setstacksize seems to allow a
stack greater than the limit fixed by ulimit, but I do not think it is
wise to rely on such a behaviour.

-- 
                                                  Gilles Chanteperdrix