org.freedesktop.DBus.GLib.Async GLib specific ?

frederic heem frederic.heem at
Fri Sep 8 04:01:35 PDT 2006

Alle 12:41, venerdì 8 settembre 2006, Thiago Macieira ha scritto:
> frederic heem wrote:
> >There is not yet an annotation for asynchronous call for qt binding and
> > I have no other solution that to modify dbusxml2cpp. We have to agree
> > on an unique name for asynchronous call annotation. Also, the xml
> > interface file has to be the same for client/server glib/qt. It doesn't
> > make sense to use the annotation org.freedesktop.DBus.GLib.Async or
> > org.freedesktop.DBus.Qt.Async or
> > org.freedesktop.DBus.<PutYourFavorityBinding>.Async.  The asynchronous
> > property does *not* depend on the binding type, no its name shall not
> > contain the name of the binding.
> There's no such thing as asynchronous for dbusxml2cpp.
Not yet, dbus-binding-tool has these feature, for the my application, 
asynchronous call is mandatory. So either I modified dbusxml2cpp to support 
asynchronous call or I dropped Qt on the client side use in favor of glib 
binding. since I prefer Qt over glib, I'll go for the first solution.

> There's no need to 
> modify the tool nor to create a new annotation.
Why ? Could you comment with a valid reason ?
Do you know a project that uses dbus asynchronous call ? So far, google found 
only one library that has one occurrence of the annotation 
org.freedesktop.DBus.GLib.Async, then looking at the code shows they misused 
this keyword, indeed, the notify_daemon_notify_handler is a *synchronous* 
call, indeed, dbus_g_method_returns is called inside 
notify_daemon_notify_handler !
So far, no one is really using the asynchronous annotation. 

> You want to place a call using callWithCallback.
You missed the whole point, I don't want to write hand written code when a 
tool can do it for me in a better and faster way, and without error. The idea 
is to use dbusxml2cpp to generate callWithCallback calls automatically.


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