Reliability of the D-Bus broadcast messages

Bogdan boguslaw.lotko at
Wed Mar 23 04:15:45 PDT 2011


That was exactly what I meant asking starting the thread.
As I understood the first answers to this subject (see the beginning of the discussion), the sender writes in the socket, so the message cannot be lost.
My experiences seem to confirm this. I've already sent thousends of messages to couple of concurrently working clients, with different time delays by receiving of messages and until now I couldn't observe any message get lost!

---- Dean Jenkins <djenkins at> schrieb:
> Hi Havoc,
> On 21 March 2011 20:28, Havoc Pennington <hp at> wrote:
> > Signals do not have replies and cannot be reliable in this sense, though.
> >
> Please can you clarify what you meant by "reliability" wrt to signals.
> For example, if a D-bus client application registers an interest in a
> signal and the D-bus server application sends that signal, is the
> client application guaranteed to receive that signal ?
> I am asking because we see D-bus monitor showing signals being sent
> but out client application only receives 3 out 5 signals. Obviously
> that breaks our application. It could be bug in our application but I
> just wanted to check that it is not a flaw in D-bus that prevents
> signals not being received 100% of the time.
> Regards,
> Dean
> -- 
> Dean Jenkins
> Embedded Software Engineer
> Professional Services UK/EMEA
> MontaVista Software, LLC
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