kern_return_t launchd_set_bport(mach_port_t name);
kern_return_t launchd_get_bport(mach_port_t *name);
kern_return_t launchd_mport_notify_req(mach_port_t name, mach_msg_id_t which);
kern_return_t launchd_set_bport(mach_port_t name);
kern_return_t launchd_get_bport(mach_port_t *name);
kern_return_t launchd_mport_notify_req(mach_port_t name, mach_msg_id_t which);