...

                            // Write the buffer to our socket

                            client.async_send(buffer);

                            if (client.error) {

                                throw std::runtime_error("sending process pipe failed: " + stream_error.message());

                                throw std::runtime_error("sending process pipe failed: " + client.error.message());

                            }

                        } while (read_size > 0 && !stream_error);