Callback for service changed

[Lawrence D'Oliveiro]

On Wed, 8 May 2019 10:36:03 +1000, JH wrote:

> ... could you pint me a reference or an example how it
> does in C?

I posted this example a little earlier of a server using libdbus written
in C <https://github.com/ldo/slow_dbus_server>. It doesn’t respond to
any signals, but you should be able to adapt the mechanics of
responding to a method call--it’s just a different message type.