1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>ip::basic_resolver::cancel</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="../ip__basic_resolver.html" title="ip::basic_resolver"> 9<link rel="prev" href="basic_resolver/overload3.html" title="ip::basic_resolver::basic_resolver (3 of 3 overloads)"> 10<link rel="next" href="canonical_name.html" title="ip::basic_resolver::canonical_name"> 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="basic_resolver/overload3.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../ip__basic_resolver.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="canonical_name.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="boost_asio.reference.ip__basic_resolver.cancel"></a><a class="link" href="cancel.html" title="ip::basic_resolver::cancel">ip::basic_resolver::cancel</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="boost_asio.indexterm.ip__basic_resolver.cancel"></a> 31Cancel 32 any asynchronous operations that are waiting on the resolver. 33 </p> 34<pre class="programlisting">void cancel(); 35</pre> 36<p> 37 This function forces the completion of any pending asynchronous operations 38 on the host resolver. The handler for each cancelled operation will be 39 invoked with the <code class="computeroutput">boost::asio::error::operation_aborted</code> error 40 code. 41 </p> 42</div> 43<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 44<td align="left"></td> 45<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 46 Kohlhoff<p> 47 Distributed under the Boost Software License, Version 1.0. (See accompanying 48 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>) 49 </p> 50</div></td> 51</tr></table> 52<hr> 53<div class="spirit-nav"> 54<a accesskey="p" href="basic_resolver/overload3.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../ip__basic_resolver.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="canonical_name.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 55</div> 56</body> 57</html> 58
