Retrieves the last serial number assigned to a #GDBusMessage on
the current thread. This includes messages sent via both low-level
API such as g_dbus_connection_send_message() as well as
high-level API such as g_dbus_connection_emit_signal(),
g_dbus_connection_call() or g_dbus_proxy_call().
Return: the last used serial or zero when no message has been sent
within the current thread
Retrieves the last serial number assigned to a #GDBusMessage on the current thread. This includes messages sent via both low-level API such as g_dbus_connection_send_message() as well as high-level API such as g_dbus_connection_emit_signal(), g_dbus_connection_call() or g_dbus_proxy_call().
Return: the last used serial or zero when no message has been sent within the current thread