lass="params">
    <tr><td class="paramname">peer_socket_native_or_null</td><td>The native socket to close. No-op (not an error) if it is <code>.null()</code>. If not <code>.null()</code>, <code>peer_socket_native_or_null.m_native_handle</code> must be suitable for <code>Peer_socket::native_handle()</code>. In practice the use case informing <a class="el" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#af0833f160dffd7f1c6921d27883a186b" title="Little utility that returns the raw Native_h