Re: [PATCH][RFC] global errno considered harmful

[Ralf Baechle]

On Sun, Dec 30, 2001 at 08:52:57PM -0500, Lennert Buytenhek wrote:

> > As user application are trying to use unistd.h and expect errno to get
> > set properly unistd.h or at least it's syscallX macros will have to be
> > made unusable from userspace or silent breakage of such apps rebuild
> > against new headers will occur.
> 
> How about conditionalising definition of_syscallX on __KERNEL_SYSCALLS__?
> 	(http://www.math.leidenuniv.nl/~buytenh/errno_ectomy-1-to-2.diff)
> 
> I guess I'll go ask all arch maintainers' permission now..

Be careful, you'll have to fix at least util-linux (doubleplusyuck) and
e2fsprogs.

  Ralf