[libvirt] [libvirt-glib] gobject: Remove redundant virtual functions

Daniel P. Berrange berrange at redhat.com
Fri Jul 3 15:45:47 UTC 2015


On Fri, Jul 03, 2015 at 04:43:15PM +0100, Zeeshan Ali (Khattak) wrote:
> On Fri, Jul 3, 2015 at 3:35 PM, Daniel P. Berrange <berrange at redhat.com> wrote:
> > On Fri, Jul 03, 2015 at 03:17:42PM +0100, Zeeshan Ali (Khattak) wrote:
> >> These virtual functions were most likely a result of copy&paste error.
> >> ---
> >>  libvirt-gobject/libvirt-gobject-network.h | 5 +----
> >>  1 file changed, 1 insertion(+), 4 deletions(-)
> >>
> >> diff --git a/libvirt-gobject/libvirt-gobject-network.h b/libvirt-gobject/libvirt-gobject-network.h
> >> index 5617ed6..8c31af4 100644
> >> --- a/libvirt-gobject/libvirt-gobject-network.h
> >> +++ b/libvirt-gobject/libvirt-gobject-network.h
> >> @@ -55,10 +55,7 @@ struct _GVirNetworkClass
> >>  {
> >>      GObjectClass parent_class;
> >>
> >> -    void (*started)(GVirNetwork *net);
> >> -    void (*stopped)(GVirNetwork *net);
> >> -
> >> -    gpointer padding[20];
> >> +    gpointer padding[22];
> >>  };
> >
> > Although you maintained the struct size ABI, this is still technically
> > an API incompatible change / break.
> >
> > FWIW this is equivalent the the same named slots in the domain class,
> > where they are used for signals. It seems we never wired up the signals
> > in the network class though, hence why they may appear uneccessary. So
> > I think we shouldn't remove them, but instead add the use by signals
> > as we have for other classes
> 
> Ah they do apply to network as well. Didn't realize that. BTW, virtual
> functions are no longer needed/recommended for signals.

If they're no longer needed, then perhaps just put a comment next to
these two fields mentioning they are unused, rather than deleting
them.

Regards,
Daniel
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