Re: why is Size of sigset_t 128 bytes ?

[Siddu <siddu.sjce@xxxxxxxxx>]

On Wed, Jun 16, 2010 at 9:08 AM, Peter Teoh <htmldeveloper@xxxxxxxxx> wrote:

On Tue, Jun 15, 2010 at 9:00 PM, Siddu <siddu.sjce@xxxxxxxxx> wrote:

> Hello all,
>
> I came across an article (http://www.linuxjournal.com/article/6483) about
> signals . Its a very nice article
>
> It says and also i verified that the size of sigset_t showing 128 bytes ?
>
> while code from /* /usr/include/bits/sigset.h */
>
> "Maybe this is not the right place to ask this .... Sorry, Hoping someone
> would be knowing the answer "
>
> # define _SIGSET_NWORDS (1024 / (8 * sizeof (unsigned long int)))
> typedef struct
>   {
>     unsigned long int __val[_SIGSET_NWORDS];
>   } __sigset_t;
>
> typedef __sigset_t sigset_t;
>
> which is definitely not 128 bytes .

yes but it is!!!

1024/64
16
8*16
128

unsigned long int = 8 fyi.

It could also be possible like this

On my machine

unsigned long int = 4 bytes

1024 / (8 * 4) = 32
 
32 * 4 = 128 bytes

>
> Thanks for your inputs !
>
> --
> Regards,
> ~Sid~
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> - - -
> Gazing through the window at the world outside,
> Wondering will mother earth survive ?
> Hoping that the mankind will stop abusing her
> Sometime !
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> - - -
>

--
Regards,
Peter Teoh

-- 
Regards,
~Sid~
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gazing through the window at the world outside,
Wondering will mother earth survive ?                 
Hoping that the mankind will stop abusing her
Sometime !
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -