1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>io_context::run_one_until</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="run_one_for.html" title="io_context::run_one_for"> 10<link rel="next" href="run_until.html" title="io_context::run_until"> 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="run_one_for.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="run_until.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.run_one_until"></a><a class="link" href="run_one_until.html" title="io_context::run_one_until">io_context::run_one_until</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="boost_asio.indexterm.io_context.run_one_until"></a> 31Run 32 the <a class="link" href="../io_context.html" title="io_context"><code class="computeroutput">io_context</code></a> 33 object's event processing loop until a specified time to execute at most 34 one handler. 35 </p> 36<pre class="programlisting">template< 37 typename Clock, 38 typename Duration> 39std::size_t run_one_until( 40 const chrono::time_point< Clock, Duration > & abs_time); 41</pre> 42<p> 43 The <code class="computeroutput">run_one_until()</code> function blocks until one handler has 44 been dispatched, until the <a class="link" href="../io_context.html" title="io_context"><code class="computeroutput">io_context</code></a> 45 has been stopped, or until the specified time has been reached. 46 </p> 47<h6> 48<a name="boost_asio.reference.io_context.run_one_until.h0"></a> 49 <span class="phrase"><a name="boost_asio.reference.io_context.run_one_until.parameters"></a></span><a class="link" href="run_one_until.html#boost_asio.reference.io_context.run_one_until.parameters">Parameters</a> 50 </h6> 51<div class="variablelist"> 52<p class="title"><b></b></p> 53<dl class="variablelist"> 54<dt><span class="term">abs_time</span></dt> 55<dd><p> 56 The time point until which the call may block. 57 </p></dd> 58</dl> 59</div> 60<h6> 61<a name="boost_asio.reference.io_context.run_one_until.h1"></a> 62 <span class="phrase"><a name="boost_asio.reference.io_context.run_one_until.return_value"></a></span><a class="link" href="run_one_until.html#boost_asio.reference.io_context.run_one_until.return_value">Return 63 Value</a> 64 </h6> 65<p> 66 The number of handlers that were executed. 67 </p> 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="run_one_for.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="run_until.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 81</div> 82</body> 83</html> 84