Re: system calls not intended for user space

["Alejandro Colomar (man-pages)" <alx.manpages@gmail.com>]

Hi Michael,

On 5/17/21 3:04 AM, Michael Kerrisk (man-pages) wrote:
> Hi Alex,
> 
> On Fri, 14 May 2021 at 07:25, Alejandro Colomar (man-pages)
> <alx.manpages@gmail.com> wrote:
>>
>> Hello Michael,
>>
>> There are some syscalls that are not intended to be used from user
>> space.  See restart_syscall(2).  Should I document those as
>> syscall(SYS_...) or not?
> 
> Yes, this function is an odd case. (Are there others? Perhaps
> sigreturn(2) also.)

rt_sigqueueinfo.2 maybe, for which, by the way, I sent a patch recently, 
so you may prefer to ingore it.

> 
> I think I would just ignore these two. (That is, no changes.)

Agree.  I sent the patch for rt_sigqueueinfo.2 because in NOTES it 
already talked about syscall(2), and by the DESCRIPTION it looks like 
it's used by library writers (that's user space).

Thanks,

Alex

-- 
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/