Re: [PATCH] nptl: Add test nptl/tst-pthread-perthread-inherit

[Florian Weimer <fw at deneb dot enyo dot de>]

* Carlos O'Donell:

>> +               NULL attribute at one level, then that is true for both
>> +               kinds of properties.  */
>> +            if ((outer_perthreadfs == null_attribute)
>> +                != (outer_perthreadids == null_attribute))
>> +              continue;
>> +            if ((inner_perthreadfs == null_attribute)
>> +                != (inner_perthreadids == null_attribute))
>> +              continue;
>
> Do you *have* to exclude these? Could we let the extra tests run?
>
> Sure they don't make sense, but why do you say they are "impossible?"

If threadfs requires a NULL attribute, and threadids requres
PTHREAD_PER_THREAD_NP, then we cannot run the subtest because the NULL
value does not carry any attributes.

Thanks,
Florian