Re: [PATCH] socketcall.2: Add note about missing glibc wrapper

["Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>]

Hi Alex,

On 2/15/21 2:15 PM, Alejandro Colomar wrote:
> ......
> 
> .../glibc$ grep_glibc_prototype socketcall
> .../glibc$
> 
> Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

Thanks! Patch applied.

Cheers,

Michael

> ---
>  man2/socketcall.2 | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/man2/socketcall.2 b/man2/socketcall.2
> index a3012d4c7..d1803d906 100644
> --- a/man2/socketcall.2
> +++ b/man2/socketcall.2
> @@ -31,6 +31,9 @@ socketcall \- socket system calls
>  .PP
>  .BI "int socketcall(int " call ", unsigned long *" args );
>  .fi
> +.PP
> +.IR Note :
> +There is no glibc wrapper for this system call; see NOTES.
>  .SH DESCRIPTION
>  .BR socketcall ()
>  is a common kernel entry point for the socket system calls.
> @@ -153,6 +156,9 @@ T}
>  This call is specific to Linux, and should not be used in programs
>  intended to be portable.
>  .SH NOTES
> +Glibc does not provide a wrapper for this system call; call it using
> +.BR syscall (2).
> +.PP
>  On a some architectures\(emfor example, x86-64 and ARM\(emthere is no
>  .BR socketcall ()
>  system call; instead
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/