add_any_inet_port

Listens for TCP connections on any available port number for both IPv6 and IPv4 (if each is available).

This is useful if you need to have a socket for incoming connections but don't care about the specific port number.

If possible, the [class@Gio.SocketListener] will listen on both IPv4 and IPv6 (listening on the same port on both). If listening on one of the socket families fails, the [class@Gio.SocketListener] will only listen on the other. If listening on both fails, an error will be returned.

If you need to distinguish whether listening on IPv4 or IPv6 or both was successful, connect to [signal@Gio.SocketListener: GSocketListener:event].

source_object will be passed out in the various calls to accept to identify this particular source, which is useful if you're listening on multiple addresses and do different things depending on what address is connected to.

Parameters:

this	a SocketListener
source_object	Optional Object identifying this source

Returns:

the port number, or 0 in case of failure.