[PATCH] signal: Use <sigsetops.h> for sigemptyset, sigfillset

[Adhemerval Zanella]

On 22/04/2020 07:02, Florian Weimer wrote:
> * Florian Weimer:
> 
>> * Andreas Schwab:
>>
>>> On Apr 22 2020, Florian Weimer wrote:
>>>
>>>> * Andreas Schwab:
>>>>
>>>>> On Apr 22 2020, Florian Weimer wrote:
>>>>>
>>>>>> This avoids changing the entire sigset_t structure.  Updating the
>>>>>> actually used part is sufficient.
>>>>>
>>>>> I'm not sure it's a good idea to leave most of the structure
>>>>> uninitialized.
>>>>
>>>> Would you please elaborate?  How is this different from padding?
>>>
>>> Padding is always unnamed.
>>
>> Not if it is called __glibc_reserved.  I obviously meant named
>> padding.
> 
> And sigprocmask has always left the padding uninitialized (even before
> Adhemerval's changes).
> 

Should we change __sigemptyset/__sigfillset to fill the ununsed bits
instead?