[PATCH] libc: Added sig2str/str2sig prototypes

[Eshan Dhawan]

Hi Matt,
Since you are making changes only to a header file you don’t need to run autoreconf.
You can directly apply the patch to RSB and it should work 
You need to run autoreconf when u make changes in makefile 
That is when u add a .c file 

> On 17-Jun-2021, at 1:53 AM, Matt Joyce <mfjoyce2004 at gmail.com> wrote:
> 
> ***As Requested: For Review Only. Does Not Compile***
> 
> Added definition of SIG2STR_MAX and function prototypes for sig2str
> and str2sig in sys/signal.h in order to improve POSIX compliance.
> ---
> newlib/libc/include/sys/signal.h | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
> 
> diff --git a/newlib/libc/include/sys/signal.h b/newlib/libc/include/sys/signal.h
> index 45cc0366c..fd2b3c672 100644
> --- a/newlib/libc/include/sys/signal.h
> +++ b/newlib/libc/include/sys/signal.h
> @@ -238,6 +238,18 @@ int sigqueue (pid_t, int, const union sigval);
> 
> #endif /* __POSIX_VISIBLE >= 199309 */
> 
> +#if __GNU_VISIBLE
> +
> +/* 202x_d2-POSIX-Issue-8, p. 327 adds SIG2STR_MAX, p. 332 adds sig2str()
> +   and str2sig(). */
> +
> +#define SIG2STR_MAX 4294967295
> +
> +int sig2str(int, char *);
> +int str2sig(const char *restrict, int *restrict);
> +
> +#endif /* __GNU_VISIBLE  */
> +
> #if defined(___AM29K__)
> /* These all need to be defined for ANSI C, but I don't think they are
>    meaningful.  */
> -- 
> 2.31.1
> 
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