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Re: [virt-tools-list] [PATCH virt-viewer 03/25] spice: disconnect signal handlers when either object is destroyed



On Tue, Jul 17, 2012 at 09:24:45PM +0200, Marc-André Lureau wrote:
> Use virt_viewer_signal_connect_object(), a copy of telepathy
> utility function tp_g_signal_connect_object(). This function
> will take care of removing signal handler if any of emitter or
> attached object are destroyed.
> 
> The following patches will have this condition met, since there is no
> longer 1-1 relation between channel and display. The channels can
> continue to be around when some of the display are removed.
> ---
>  src/virt-viewer-display-spice.c |   26 ++++-----
>  src/virt-viewer-util.c          |  117 +++++++++++++++++++++++++++++++++++++++
>  src/virt-viewer-util.h          |    6 ++
>  3 files changed, 135 insertions(+), 14 deletions(-)
> diff --git a/src/virt-viewer-util.h b/src/virt-viewer-util.h
> index 3a40651..38c8078 100644
> --- a/src/virt-viewer-util.h
> +++ b/src/virt-viewer-util.h
> @@ -40,6 +40,12 @@ int virt_viewer_util_extract_host(const char *uristr,
>                                    char **user,
>                                    int *port);
>  
> +gulong virt_viewer_signal_connect_object(gpointer instance,
> +                                         const gchar *detailed_signal,
> +                                         GCallback c_handler,
> +                                         gpointer gobject,
> +                                         GConnectFlags connect_flags);
> +
>  #endif

Superficially this looks like it tries todo the same as
g_signal_connect_object ?

http://developer.gnome.org/gobject/stable/gobject-Signals.html#g-signal-connect-object

Does it avoids the flaws mentioned about that API ?


Daniel
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