svn commit: r215572 - stable/8/sys/sys

[Gavin Atkinson]

On Sun, 21 Nov 2010, Jilles Tjoelker wrote:
> On Sun, Nov 21, 2010 at 12:42:24PM +0000, Gavin Atkinson wrote:
> > On Sat, 20 Nov 2010, Jilles Tjoelker wrote:
> > > Author: jilles
> > > Date: Sat Nov 20 16:46:16 2010
> > > New Revision: 215572
> > > URL: http://svn.freebsd.org/changeset/base/215572
> 
> > > Log:
> > >   MFC r215183: Make POLL_ERR and POLL_HUP different.
> 
> > >   The kernel currently does not generate any of the POLL_* constants, but
> > >   some applications use them and break if they are not all distinct.
> 
> > Is this a good idea to merge to a stable branch?  Presumably some of those 
> > same applications will now break due to the constants changing?
> 
> The typical usage appears to be
> 	switch (si->si_code) {
> 		case POLL_IN: ...; break;
> 		...
> 		case POLL_ERR: ...; break;
> 		case POLL_HUP: ...; break;
> 	}

OK, thanks for explaining.

Gavin