>

<p>boost.asio extension similar to <code>peer_socket-&gt;non_blocking(true); auto n = peer_socket-&gt;write_some(payload_blob)</code> with the added capability of accompanying the <code>Blob_const payload_blob</code> with a native handle to be transmitted to the opposing peer. </p>
<p >In other words it attempts to immediately send <code>payload_hndl</code> and at least 1 byte of <code>payload_blob</code>; returns would-block error code if this would require blocking; or another error if the connection h