Method register_message_handler

implementation/runtime/src/application_impl.cpp:1215–1219

}

void application_impl::register_message_handler(service_t _service, instance_t _instance, method_t _method,
                                                const message_handler_t& _handler) {

    register_message_handler_ext(_service, _instance, _method, _handler, handler_registration_type_e::HRT_REPLACE);
}

void application_impl::unregister_message_handler(service_t _service, instance_t _instance, method_t _method) {
    std::scoped_lock its_lock{members_mutex_};