Gilles Chanteperdrix wrote:
> Johan Cockx wrote:
>>
>> On Tue, Oct 12, 2010 at 3:04 PM, Gilles Chanteperdrix
>> <gilles.chanteperd...@xenomai.org
>> > Ok: __real_socket is not called, the XENOMAI_SKINCALL3(...) code
>> > returns zero in this case.
>>
>> Ok. zero should be translated in something like 1024 - 128. And the
>> reverse operation happen in select code.
>>
>>
>> If I understand you correctly, the socket call is returning a valid
>> Xenomai file descriptor as it should. So, the next question is: why is
>> this file descriptor (or the corresponding mask) not recognized as such
>> in select()? Do you have any further suggestions on how to debug this?
>
> As I just explained. verify that __wrap_socket returns 1024 - 128, or
> something like that. And that this value gets translated back to 0 in
> select code.
Normally, since there is only one file descriptor in the fdset, the test
which fails should be first_fp_valid_p.
--
Gilles.
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