1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>basic_serial_port::get_option (1 of 2 overloads)</title> 5<link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../../boost_asio.html" title="Boost.Asio"> 8<link rel="up" href="../get_option.html" title="basic_serial_port::get_option"> 9<link rel="prev" href="../get_option.html" title="basic_serial_port::get_option"> 10<link rel="next" href="overload2.html" title="basic_serial_port::get_option (2 of 2 overloads)"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="../get_option.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../get_option.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../boost_asio.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="overload2.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<a name="boost_asio.reference.basic_serial_port.get_option.overload1"></a><a class="link" href="overload1.html" title="basic_serial_port::get_option (1 of 2 overloads)">basic_serial_port::get_option 28 (1 of 2 overloads)</a> 29</h5></div></div></div> 30<p> 31 Get an option from the serial port. 32 </p> 33<pre class="programlisting">template< 34 typename <a class="link" href="../../GettableSerialPortOption.html" title="Gettable serial port option requirements">GettableSerialPortOption</a>> 35void get_option( 36 GettableSerialPortOption & option) const; 37</pre> 38<p> 39 This function is used to get the current value of an option on the serial 40 port. 41 </p> 42<h6> 43<a name="boost_asio.reference.basic_serial_port.get_option.overload1.h0"></a> 44 <span class="phrase"><a name="boost_asio.reference.basic_serial_port.get_option.overload1.parameters"></a></span><a class="link" href="overload1.html#boost_asio.reference.basic_serial_port.get_option.overload1.parameters">Parameters</a> 45 </h6> 46<div class="variablelist"> 47<p class="title"><b></b></p> 48<dl class="variablelist"> 49<dt><span class="term">option</span></dt> 50<dd><p> 51 The option value to be obtained from the serial port. 52 </p></dd> 53</dl> 54</div> 55<h6> 56<a name="boost_asio.reference.basic_serial_port.get_option.overload1.h1"></a> 57 <span class="phrase"><a name="boost_asio.reference.basic_serial_port.get_option.overload1.exceptions"></a></span><a class="link" href="overload1.html#boost_asio.reference.basic_serial_port.get_option.overload1.exceptions">Exceptions</a> 58 </h6> 59<div class="variablelist"> 60<p class="title"><b></b></p> 61<dl class="variablelist"> 62<dt><span class="term">boost::system::system_error</span></dt> 63<dd><p> 64 Thrown on failure. 65 </p></dd> 66</dl> 67</div> 68</div> 69<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 70<td align="left"></td> 71<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 72 Kohlhoff<p> 73 Distributed under the Boost Software License, Version 1.0. (See accompanying 74 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 75 </p> 76</div></td> 77</tr></table> 78<hr> 79<div class="spirit-nav"> 80<a accesskey="p" href="../get_option.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../get_option.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../boost_asio.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="overload2.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 81</div> 82</body> 83</html> 84