Re: [Xenomai-help] [ARM_MV 88F6290] Task limit, msg receive error

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

Didenko Sergey wrote:
> Dear Experts

Hi, you do not need to flatter us to get answers :-)

> 
> we are facing 2 problems now:
> 
> 1) in our test application (very simple one) we can create maximum 50
> tasks, next task is failed to create with error *12*
> *- Is there any task number limit?*
> *- what does 12 mean?*

Please read the TROUBLESHOOTING guide which comes with Xenomai, for the
question about the task number limit.

For the error codes, see:
http://www.xenomai.org/index.php/Resolving_Error_Codes

> 
> 2) in our project (originally developed for VxWorks), msgQReceive
> function returns -1 and sets errno to 4
> *We think that it might be related to XNBREAK thread's flag.*

Yes, error 4 is EINTR, it means that msgQReceive was interrupted by a
signal. We can only tell you whether this is normal if you tell us in
exactly what conditions you get this error (a test case reduced to the
minimum would be welcome).

-- 
                                          Gilles