dbus interoperability

[Mário Costa]

Hi Simon,

Thanks for the clarification, and for the reference!

mc

On Mon, May 18, 2015 at 10:34 AM, Simon McVittie
<simon.mcvittie at collabora.co.uk> wrote:
> On 18/05/15 08:52, Thiago Macieira wrote:
>> On Monday 18 May 2015 08:13:45 Mário Costa wrote:
>>> org.freedesktop.DBus.GLib.Async
>>
>> This is a GLib-specific annotation. It should not affect other languages. You're
>> free to ignore this one (in fact, you should ignore it).
>
> More specifically, this annotation is specific to dbus-glib, the
> deprecated "language binding" for libdbus into GObject.
>
> The newer GDBus module in GLib, a compatible/interoperable
> reimplementation[1] which is now the recommended way to do D-Bus in a
> GLib/GObject application, ignores that annotation entirely.
>
> That annotation never made a great deal of sense in any case: D-Bus is a
> message-passing protocol, so every D-Bus method is inherently
> asynchronous, although bindings often provide a "pseudo-synchronous"
> interface which blocks waiting for a reply[2].
>
> Annotations are meant to be optional: it should always be valid for a
> language binding or implementation to ignore annotations that it doesn't
> understand.
>
>     S
>
> [1] there are two broad classes of D-Bus library: wrappers around the
> reference implementation (libdbus), such as QtDBus, dbus-glib, dbus-java
> 1.x and dbus-python; and reimplementations that do not use libdbus, such
> as GDBus, dbus-sharp (ndesk-dbus) and dbus-java 2.x
> [2] http://smcv.pseudorandom.co.uk/2008/11/nonblocking/
>
> --
> Simon McVittie
> Collabora Ltd. <http://www.collabora.com/>
>
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