[PATCH 4/4] signal: Only handle on NSIG signals on signal functions (BZ #25657)

[Adhemerval Zanella]

On 21/04/2020 10:47, Florian Weimer wrote:
> * Adhemerval Zanella:
> 
>> On 21/04/2020 10:14, Florian Weimer wrote:
>> Only handle __NSIG_WORDS on linux sigsetopts.h instead of _SIGSET_NWORDS
>> when manipulating sigset_t masks.
> 
> Hmm.  __NSIG_WORDS is defined like this:
> 
>> +# define __NSIG_WORDS (_NSIG / (8 * sizeof (unsigned long int )))
> 
> This gives us two words for _NSIG == 65.  Is this correct?
> 

Two words (32-bits) for all 64-bit architectures, except mips64 that
defined _NSIG as 128 as requires 4 words. And 4 words for all 32-bit 
architectures and 8 for mips32.