1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> 4<title>system_executor::dispatch</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="../system_executor.html" title="system_executor"> 9<link rel="prev" href="defer.html" title="system_executor::defer"> 10<link rel="next" href="on_work_finished.html" title="system_executor::on_work_finished"> 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="defer.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../system_executor.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="on_work_finished.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.system_executor.dispatch"></a><a class="link" href="dispatch.html" title="system_executor::dispatch">system_executor::dispatch</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="boost_asio.indexterm.system_executor.dispatch"></a> 31Request 32 the system executor to invoke the given function object. 33 </p> 34<pre class="programlisting">template< 35 typename Function, 36 typename Allocator> 37void dispatch( 38 Function && f, 39 const Allocator & a) const; 40</pre> 41<p> 42 This function is used to ask the executor to execute the given function 43 object. The function object will always be executed inside this function. 44 </p> 45<h6> 46<a name="boost_asio.reference.system_executor.dispatch.h0"></a> 47 <span class="phrase"><a name="boost_asio.reference.system_executor.dispatch.parameters"></a></span><a class="link" href="dispatch.html#boost_asio.reference.system_executor.dispatch.parameters">Parameters</a> 48 </h6> 49<div class="variablelist"> 50<p class="title"><b></b></p> 51<dl class="variablelist"> 52<dt><span class="term">f</span></dt> 53<dd> 54<p> 55 The function object to be called. The executor will make a copy of 56 the handler object as required. The function signature of the function 57 object must be: 58</p> 59<pre class="programlisting">void function(); 60</pre> 61<p> 62 </p> 63</dd> 64<dt><span class="term">a</span></dt> 65<dd><p> 66 An allocator that may be used by the executor to allocate the internal 67 storage needed for function invocation. 68 </p></dd> 69</dl> 70</div> 71</div> 72<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 73<td align="left"></td> 74<td align="right"><div class="copyright-footer">Copyright © 2003-2019 Christopher M. Kohlhoff<p> 75 Distributed under the Boost Software License, Version 1.0. (See accompanying 76 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>) 77 </p> 78</div></td> 79</tr></table> 80<hr> 81<div class="spirit-nav"> 82<a accesskey="p" href="defer.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../system_executor.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="on_work_finished.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 83</div> 84</body> 85</html> 86