Referenced by pw_control_destroy(), and pw_control_link().
Referenced by pw_client::pw_client_new(), pw_control_new(), pw_global::pw_global_new(), pw_link_new(), pw_loop::pw_loop_new(), pw_node_new(), pw_port_new(), pw_proxy::pw_proxy_new(), pw_remote_new(), pw_resource_new(), and pw_stream_new().