<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>thread</title> <link rel="stylesheet" href="../../boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2"> <link rel="start" href="../../index.html" title="Asio"> <link rel="up" href="../reference.html" title="Reference"> <link rel="prev" href="system_error/_system_error.html" title="system_error::~system_error"> <link rel="next" href="thread/join.html" title="thread::join"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr><td valign="top"><img alt="asio C++ library" width="250" height="60" src="../../asio.png"></td></tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="system_error/_system_error.html"><img src="../../prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../home.png" alt="Home"></a><a accesskey="n" href="thread/join.html"><img src="../../next.png" alt="Next"></a> </div> <div class="section" lang="en"> <div class="titlepage"><div><div><h3 class="title"> <a name="asio.reference.thread"></a><a class="link" href="thread.html" title="thread">thread</a> </h3></div></div></div> <p> A simple abstraction for starting threads. </p> <pre class="programlisting"><span class="keyword">class</span> <span class="identifier">thread</span> <span class="special">:</span> <span class="identifier">noncopyable</span> </pre> <a name="asio.reference.thread.member_functions"></a><h5> <a name="id1178618"></a> <a class="link" href="thread.html#asio.reference.thread.member_functions">Member Functions</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <a class="link" href="thread/join.html" title="thread::join"><span class="bold"><strong>join</strong></span></a> </p> </td> <td> <p> Wait for the thread to exit. </p> </td> </tr> <tr> <td> <p> <a class="link" href="thread/thread.html" title="thread::thread"><span class="bold"><strong>thread</strong></span></a> </p> </td> <td> <p> Start a new thread that executes the supplied function. </p> </td> </tr> <tr> <td> <p> <a class="link" href="thread/_thread.html" title="thread::~thread"><span class="bold"><strong>~thread</strong></span></a> </p> </td> <td> <p> Destructor. </p> </td> </tr> </tbody> </table></div> <p> The <a class="link" href="thread.html" title="thread"><code class="computeroutput"><span class="identifier">thread</span></code></a> class implements the smallest possible subset of the functionality of boost::thread. It is intended to be used only for starting a thread and waiting for it to exit. If more extensive threading capabilities are required, you are strongly advised to use something else. </p> <a name="asio.reference.thread.thread_safety"></a><h5> <a name="id1178777"></a> <a class="link" href="thread.html#asio.reference.thread.thread_safety">Thread Safety</a> </h5> <p> <span class="bold"><strong>Distinct</strong></span> <span class="bold"><strong>objects:</strong></span> Safe. </p> <p> <span class="bold"><strong>Shared</strong></span> <span class="bold"><strong>objects:</strong></span> Unsafe. </p> <a name="asio.reference.thread.example"></a><h5> <a name="id1178827"></a> <a class="link" href="thread.html#asio.reference.thread.example">Example</a> </h5> <p> A typical use of <a class="link" href="thread.html" title="thread"><code class="computeroutput"><span class="identifier">thread</span></code></a> would be to launch a thread to run an io_service's event processing loop: </p> <pre class="programlisting"><span class="identifier">asio</span><span class="special">::</span><span class="identifier">io_service</span> <span class="identifier">io_service</span><span class="special">;</span> <span class="comment">// ... </span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">thread</span> <span class="identifier">t</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">bind</span><span class="special">(&</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">io_service</span><span class="special">::</span><span class="identifier">run</span><span class="special">,</span> <span class="special">&</span><span class="identifier">io_service</span><span class="special">));</span> <span class="comment">// ... </span><span class="identifier">t</span><span class="special">.</span><span class="identifier">join</span><span class="special">();</span> </pre> <a name="asio.reference.thread.requirements"></a><h5> <a name="id1179010"></a> <a class="link" href="thread.html#asio.reference.thread.requirements">Requirements</a> </h5> <p> <span class="bold"><strong>Header: </strong></span><code class="literal">asio/thread.hpp</code> </p> <p> <span class="bold"><strong>Convenience header: </strong></span><code class="literal">asio.hpp</code> </p> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2003 - 2010 Christopher M. Kohlhoff<p> Distributed under the Boost Software License, Version 1.0. (See accompanying 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>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="system_error/_system_error.html"><img src="../../prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../home.png" alt="Home"></a><a accesskey="n" href="thread/join.html"><img src="../../next.png" alt="Next"></a> </div> </body> </html>