Re: [PATCH v2 0/2] vfs: Define new syscall getumask.

[H. Peter Anvin]

On 04/17/16 18:09, Greg KH wrote:
>>
>> There aren't a *lot* of such system calls, but even in that thread the
>> "oh, only two applications need this, let them use syscall(3)" seems to
>> remain.
> 
> And only 2 applications will continue to use it because no one wants to
> write syscall() wrappers for their individual applications, so it's a
> vicious cycle :(
> 
> I really like the 'libinux' idea, did anyone every hack up a first-pass
> at this?  And I'm guessing we have more syscalls now that would need to
> be added (like getrandom(), but that shouldn't be too difficult.
> 

I haven't hacked anything up yet, but I think it would be easy to simply
take the klibc machinery, remove the stuff that isn't needed, and adjust
the handling of errno(3).  I think it is time I admit that it needs to
be put on my TODO list.

	-hpa