1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>io_context::poll</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="../io_context.html" title="io_context"> 9<link rel="prev" href="notify_fork.html" title="io_context::notify_fork"> 10<link rel="next" href="poll/overload1.html" title="io_context::poll (1 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="notify_fork.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../io_context.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="poll/overload1.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.io_context.poll"></a><a class="link" href="poll.html" title="io_context::poll">io_context::poll</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="boost_asio.indexterm.io_context.poll"></a> 31Run the <a class="link" href="../io_context.html" title="io_context"><code class="computeroutput">io_context</code></a> 32 object's event processing loop to execute ready handlers. 33 </p> 34<pre class="programlisting">count_type <a class="link" href="poll/overload1.html" title="io_context::poll (1 of 2 overloads)">poll</a>(); 35 <span class="emphasis"><em>» <a class="link" href="poll/overload1.html" title="io_context::poll (1 of 2 overloads)">more...</a></em></span> 36</pre> 37<p> 38 (Deprecated: Use non-error_code overload.) Run the <a class="link" href="../io_context.html" title="io_context"><code class="computeroutput">io_context</code></a> 39 object's event processing loop to execute ready handlers. 40 </p> 41<pre class="programlisting">count_type <a class="link" href="poll/overload2.html" title="io_context::poll (2 of 2 overloads)">poll</a>( 42 boost::system::error_code & ec); 43 <span class="emphasis"><em>» <a class="link" href="poll/overload2.html" title="io_context::poll (2 of 2 overloads)">more...</a></em></span> 44</pre> 45</div> 46<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 47<td align="left"></td> 48<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 49 Kohlhoff<p> 50 Distributed under the Boost Software License, Version 1.0. (See accompanying 51 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>) 52 </p> 53</div></td> 54</tr></table> 55<hr> 56<div class="spirit-nav"> 57<a accesskey="p" href="notify_fork.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../io_context.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="poll/overload1.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 58</div> 59</body> 60</html> 61
