Re: [Xenomai-help] select(2) generates EFAULT

[Jan Kiszka <jan.kiszka@domain.hid>]

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Steve wrote:
> On 18/05/2009, Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org> wrote:
>> Steve wrote:
>>> First, thank you for the help on my previous query.
>>>
>>> I am still working on porting a c++ application from RTAI to Xenomai,
>>> and have encountered a problem with sockets, specifically the select
>>> function.
>>>
>>> When Xenomai is not being used the code runs as expected.  Once the
>>> Xenomai headers, compile options, etc, are used the select function
>>> fails with the error EFAULT.  I have reproduced the error (works
>>> without Xenomai, EFAULTs with Xenomai) using the following program:
>>>
> <snip>
>>> I am using Xenomai 2.4.6.1 on a vanilla 2.6.24.6 Linux kernel, and
>>> running on Ubuntu 8.04.
>> Could you try 2.4.7, to see if you are not having a bug which has
>> already been fixed?
>>
>> What you are trying should work, even though you are not really using
>> Xenomai's select but Linux plain select.
>>
>> --
>>                                                  Gilles.
>>
> 
> I have just tested my example code with Xenomai version 2.4.7 but I am
> still encountering the problem.

You need to pull the latest 2.4.x git version [1].

Jan

[1] http://git.xenomai.org/?p=xenomai-2.4.git;a=summary


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