1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>basic_socket::non_blocking (3 of 3 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="../non_blocking.html" title="basic_socket::non_blocking"> 9<link rel="prev" href="overload2.html" title="basic_socket::non_blocking (2 of 3 overloads)"> 10<link rel="next" href="../open.html" title="basic_socket::open"> 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="overload2.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../non_blocking.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="../open.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_socket.non_blocking.overload3"></a><a class="link" href="overload3.html" title="basic_socket::non_blocking (3 of 3 overloads)">basic_socket::non_blocking 28 (3 of 3 overloads)</a> 29</h5></div></div></div> 30<p> 31 Sets the non-blocking mode of the socket. 32 </p> 33<pre class="programlisting">void non_blocking( 34 bool mode, 35 boost::system::error_code & ec); 36</pre> 37<h6> 38<a name="boost_asio.reference.basic_socket.non_blocking.overload3.h0"></a> 39 <span class="phrase"><a name="boost_asio.reference.basic_socket.non_blocking.overload3.parameters"></a></span><a class="link" href="overload3.html#boost_asio.reference.basic_socket.non_blocking.overload3.parameters">Parameters</a> 40 </h6> 41<div class="variablelist"> 42<p class="title"><b></b></p> 43<dl class="variablelist"> 44<dt><span class="term">mode</span></dt> 45<dd><p> 46 If <code class="computeroutput">true</code>, the socket's synchronous operations will 47 fail with <code class="computeroutput">boost::asio::error::would_block</code> if they 48 are unable to perform the requested operation immediately. If 49 <code class="computeroutput">false</code>, synchronous operations will block until complete. 50 </p></dd> 51<dt><span class="term">ec</span></dt> 52<dd><p> 53 Set to indicate what error occurred, if any. 54 </p></dd> 55</dl> 56</div> 57<h6> 58<a name="boost_asio.reference.basic_socket.non_blocking.overload3.h1"></a> 59 <span class="phrase"><a name="boost_asio.reference.basic_socket.non_blocking.overload3.remarks"></a></span><a class="link" href="overload3.html#boost_asio.reference.basic_socket.non_blocking.overload3.remarks">Remarks</a> 60 </h6> 61<p> 62 The non-blocking mode has no effect on the behaviour of asynchronous 63 operations. Asynchronous operations will never fail with the error <code class="computeroutput">boost::asio::error::would_block</code>. 64 </p> 65</div> 66<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 67<td align="left"></td> 68<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 69 Kohlhoff<p> 70 Distributed under the Boost Software License, Version 1.0. (See accompanying 71 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>) 72 </p> 73</div></td> 74</tr></table> 75<hr> 76<div class="spirit-nav"> 77<a accesskey="p" href="overload2.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../non_blocking.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="../open.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 78</div> 79</body> 80</html> 81