Re: [PATCH] Add renameat2 function [BZ #17662]

[Paul Eggert <eggert at cs dot ucla dot edu>]

Florian Weimer wrote:
> > * The library now implements the renameat2 function.  On Linux systems that
> >    support the renameat2 system call this is a wrapper for kernel support
> >    and when renameat2's flags are nonzero this should avoid race conditions
> >    present with renameat.  The renameat2 function fails with an errno of
> >    ENOSYS or EINVAL when given nonzero flags that cannot be implemented
> >    atomically by the kernel.
>
> I don't think the current renameat2 fallback code in glibc can return ENOSYS.  
> The generic renameat, which returns ENOSYS, is overriden by Linux and Hurd.

Ah, OK, in that case please remove "ENOSYS or" from the proposed text.