1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>spawn (3 of 7 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="../spawn.html" title="spawn"> 9<link rel="prev" href="overload2.html" title="spawn (2 of 7 overloads)"> 10<link rel="next" href="overload4.html" title="spawn (4 of 7 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="overload2.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../spawn.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="overload4.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.spawn.overload3"></a><a class="link" href="overload3.html" title="spawn (3 of 7 overloads)">spawn (3 of 7 28 overloads)</a> 29</h4></div></div></div> 30<p> 31 Start a new stackful coroutine, inheriting the execution context of another. 32 </p> 33<pre class="programlisting">template< 34 typename <a class="link" href="../Handler.html" title="Handlers">Handler</a>, 35 typename Function> 36void spawn( 37 basic_yield_context< Handler > ctx, 38 Function && function, 39 const boost::coroutines::attributes & attributes = boost::coroutines::attributes()); 40</pre> 41<p> 42 This function is used to launch a new coroutine. 43 </p> 44<h6> 45<a name="boost_asio.reference.spawn.overload3.h0"></a> 46 <span class="phrase"><a name="boost_asio.reference.spawn.overload3.parameters"></a></span><a class="link" href="overload3.html#boost_asio.reference.spawn.overload3.parameters">Parameters</a> 47 </h6> 48<div class="variablelist"> 49<p class="title"><b></b></p> 50<dl class="variablelist"> 51<dt><span class="term">ctx</span></dt> 52<dd><p> 53 Identifies the current coroutine as a parent of the new coroutine. 54 This specifies that the new coroutine should inherit the execution 55 context of the parent. For example, if the parent coroutine is executing 56 in a particular strand, then the new coroutine will execute in the 57 same strand. 58 </p></dd> 59<dt><span class="term">function</span></dt> 60<dd> 61<p> 62 The coroutine function. The function must have the signature: 63</p> 64<pre class="programlisting">void function(basic_yield_context<Handler> yield); 65</pre> 66<p> 67 </p> 68</dd> 69<dt><span class="term">attributes</span></dt> 70<dd><p> 71 Boost.Coroutine attributes used to customise the coroutine. 72 </p></dd> 73</dl> 74</div> 75</div> 76<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 77<td align="left"></td> 78<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 79 Kohlhoff<p> 80 Distributed under the Boost Software License, Version 1.0. (See accompanying 81 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>) 82 </p> 83</div></td> 84</tr></table> 85<hr> 86<div class="spirit-nav"> 87<a accesskey="p" href="overload2.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../spawn.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="overload4.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 88</div> 89</body> 90</html> 91