1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Chapter 39. Thread 4.8.0</title> 6<link rel="stylesheet" href="../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="libraries.html" title="Part I. The Boost C++ Libraries (BoostBook Subset)"> 10<link rel="prev" href="boost_stlinterfaces/rationale.html" title="Rationale"> 11<link rel="next" href="thread/build.html" title="Using and building the library"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../boost.png"></td> 16<td align="center"><a href="../../index.html">Home</a></td> 17<td align="center"><a href="../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="boost_stlinterfaces/rationale.html"><img src="../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="libraries.html"><img src="../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="thread/build.html"><img src="../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="chapter"> 27<div class="titlepage"><div> 28<div><h2 class="title"> 29<a name="thread"></a>Chapter 39. Thread 4.8.0</h2></div> 30<div><div class="author"><h3 class="author"> 31<span class="firstname">Anthony</span> <span class="surname">Williams</span> 32</h3></div></div> 33<div><div class="author"><h3 class="author"> 34<span class="firstname">Vicente J.</span> <span class="surname">Botet Escriba</span> 35</h3></div></div> 36<div><p class="copyright">Copyright © 2007 -11 Anthony Williams</p></div> 37<div><p class="copyright">Copyright © 2011 -17 Vicente J. Botet Escriba</p></div> 38<div><div class="legalnotice"> 39<a name="thread.legal"></a><p> 40 Distributed under the Boost Software License, Version 1.0. (See accompanying 41 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>) 42 </p> 43</div></div> 44</div></div> 45<div class="toc"> 46<p><b>Table of Contents</b></p> 47<dl class="toc"> 48<dt><span class="section"><a href="thread.html#thread.overview">Overview</a></span></dt> 49<dt><span class="section"><a href="thread/build.html">Using and building the library</a></span></dt> 50<dd><dl> 51<dt><span class="section"><a href="thread/build.html#thread.build.configuration">Configuration</a></span></dt> 52<dt><span class="section"><a href="thread/build.html#thread.build.limitations">Limitations</a></span></dt> 53</dl></dd> 54<dt><span class="section"><a href="thread/changes.html">History</a></span></dt> 55<dt><span class="section"><a href="thread/future.html">Future</a></span></dt> 56<dt><span class="section"><a href="thread/thread_management.html">Thread Management</a></span></dt> 57<dd><dl> 58<dt><span class="section"><a href="thread/thread_management.html#thread.thread_management.synopsis">Synopsis</a></span></dt> 59<dt><span class="section"><a href="thread/thread_management.html#thread.thread_management.tutorial">Tutorial</a></span></dt> 60<dt><span class="section"><a href="thread/thread_management.html#thread.thread_management.thread">Class <code class="computeroutput"><span class="identifier">thread</span></code></a></span></dt> 61<dt><span class="section"><a href="thread/thread_management.html#thread.thread_management.this_thread">Namespace <code class="computeroutput"><span class="identifier">this_thread</span></code></a></span></dt> 62<dt><span class="section"><a href="thread/thread_management.html#thread.thread_management.threadgroup">Class <code class="computeroutput"><span class="identifier">thread_group</span></code> EXTENSION</a></span></dt> 63</dl></dd> 64<dt><span class="section"><a href="thread/ScopedThreads.html">Scoped Threads</a></span></dt> 65<dd><dl> 66<dt><span class="section"><a href="thread/ScopedThreads.html#thread.ScopedThreads.motivation">Motivation</a></span></dt> 67<dt><span class="section"><a href="thread/ScopedThreads.html#thread.ScopedThreads.tutorial">Tutorial</a></span></dt> 68<dt><span class="section"><a href="thread/ScopedThreads.html#thread.ScopedThreads.thread_functors">Free Thread Functors</a></span></dt> 69<dt><span class="section"><a href="thread/ScopedThreads.html#thread.ScopedThreads.strict_scoped_thread">Class <code class="computeroutput"><span class="identifier">strict_scoped_thread</span></code></a></span></dt> 70<dt><span class="section"><a href="thread/ScopedThreads.html#thread.ScopedThreads.scoped_thread">Class <code class="computeroutput"><span class="identifier">scoped_thread</span></code></a></span></dt> 71<dt><span class="section"><a href="thread/ScopedThreads.html#thread.ScopedThreads.non_member_swap">Non-member function 72 <code class="computeroutput"><span class="identifier">swap</span><span class="special">(</span><span class="identifier">scoped_thread</span><span class="special">&,</span><span class="identifier">scoped_thread</span><span class="special">&)</span></code></a></span></dt> 73</dl></dd> 74<dt><span class="section"><a href="thread/synchronization.html">Synchronization</a></span></dt> 75<dd><dl> 76<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.tutorial">Tutorial</a></span></dt> 77<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.mutex_concepts">Mutex Concepts</a></span></dt> 78<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.lock_option">Lock Options</a></span></dt> 79<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.lock_guard">Lock Guard</a></span></dt> 80<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.with_lock_guard">With Lock Guard</a></span></dt> 81<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.lock_concepts">Lock Concepts</a></span></dt> 82<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.locks">Lock Types</a></span></dt> 83<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.other_locks">Other Lock Types 84 - EXTENSION</a></span></dt> 85<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.lock_functions">Lock functions</a></span></dt> 86<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.lock_factories">Lock Factories 87 - EXTENSION</a></span></dt> 88<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.mutex_types">Mutex Types</a></span></dt> 89<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.condvar_ref">Condition Variables</a></span></dt> 90<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.once">One-time Initialization</a></span></dt> 91<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.barriers">Barriers -- EXTENSION</a></span></dt> 92<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.latches">Latches -- EXPERIMENTAL</a></span></dt> 93<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.executors">Executors and Schedulers 94 -- EXPERIMENTAL</a></span></dt> 95<dt><span class="section"><a href="thread/synchronization.html#thread.synchronization.futures">Futures</a></span></dt> 96</dl></dd> 97<dt><span class="section"><a href="thread/thread_local_storage.html">Thread Local Storage</a></span></dt> 98<dd><dl><dt><span class="section"><a href="thread/thread_local_storage.html#thread.thread_local_storage.thread_specific_ptr">Class 99 <code class="computeroutput"><span class="identifier">thread_specific_ptr</span></code></a></span></dt></dl></dd> 100<dt><span class="section"><a href="thread/sds.html">Synchronized Data Structures</a></span></dt> 101<dd><dl> 102<dt><span class="section"><a href="thread/sds.html#thread.sds.synchronized_valuesxxx">Synchronized Values 103 - EXPERIMENTAL</a></span></dt> 104<dt><span class="section"><a href="thread/sds.html#thread.sds.synchronized_queues">Synchronized Queues -- 105 EXPERIMENTAL</a></span></dt> 106</dl></dd> 107<dt><span class="section"><a href="thread/parallel.html">Parallel - Fork-Join -- EXPERIMENTAL</a></span></dt> 108<dd><dl> 109<dt><span class="section"><a href="thread/parallel.html#thread.parallel.fork_join">Fork-Join</a></span></dt> 110<dt><span class="section"><a href="thread/parallel.html#thread.parallel.ref">Reference -- EXPERIMENTAL</a></span></dt> 111</dl></dd> 112<dt><span class="section"><a href="thread/time.html">Time Requirements</a></span></dt> 113<dd><dl><dt><span class="section"><a href="thread/time.html#thread.time.deprecated">Deprecated</a></span></dt></dl></dd> 114<dt><span class="section"><a href="thread/emulations.html">Emulations</a></span></dt> 115<dd><dl> 116<dt><span class="section"><a href="thread/emulations.html#thread.emulations.delete"><code class="computeroutput"><span class="special">=</span><span class="keyword">delete</span></code> emulation</a></span></dt> 117<dt><span class="section"><a href="thread/emulations.html#thread.emulations.move">Move semantics</a></span></dt> 118<dt><span class="section"><a href="thread/emulations.html#thread.emulations.bool_explicit_conversion">Bool explicit 119 conversion</a></span></dt> 120<dt><span class="section"><a href="thread/emulations.html#thread.emulations.scoped_enums">Scoped Enums</a></span></dt> 121</dl></dd> 122<dt><span class="section"><a href="thread/acknowledgements.html">Acknowledgments</a></span></dt> 123<dt><span class="section"><a href="thread/compliance.html">Conformance and Extension</a></span></dt> 124<dd><dl> 125<dt><span class="section"><a href="thread/compliance.html#thread.compliance.cpp11">C++11 standard Thread library</a></span></dt> 126<dt><span class="section"><a href="thread/compliance.html#thread.compliance.cxx14">C++14 standard Thread library 127 - accepted changes</a></span></dt> 128<dt><span class="section"><a href="thread/compliance.html#thread.compliance.cxx1y">C++14 TS Extensions for Concurrency 129 V1 </a></span></dt> 130<dt><span class="section"><a href="thread/compliance.html#thread.compliance.cxx1y0">C++1z TS Concurrency - On going 131 proposals</a></span></dt> 132</dl></dd> 133</dl> 134</div> 135<div class="section"> 136<div class="titlepage"><div><div><h2 class="title" style="clear: both"> 137<a name="thread.overview"></a><a class="link" href="thread.html#thread.overview" title="Overview">Overview</a> 138</h2></div></div></div> 139<p> 140 <span class="bold"><strong>Boost.Thread</strong></span> enables the use of multiple threads 141 of execution with shared data in portable C++ code. It provides classes and 142 functions for managing the threads themselves, along with others for synchronizing 143 data between the threads or providing separate copies of data specific to individual 144 threads. 145 </p> 146<p> 147 The <span class="bold"><strong>Boost.Thread</strong></span> library was originally written 148 and designed by William E. Kempf (version 1). 149 </p> 150<p> 151 Anthony Williams version (version 2) was a major rewrite designed to closely 152 follow the proposals presented to the C++ Standards Committee, in particular 153 <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2497.html" target="_top">N2497</a>, 154 <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2320.html" target="_top">N2320</a>, 155 <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2184.html" target="_top">N2184</a>, 156 <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2139.html" target="_top">N2139</a>, 157 and <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2094.html" target="_top">N2094</a> 158 </p> 159<p> 160 Vicente J. Botet Escriba started (version 3) the adaptation to comply with 161 the accepted Thread C++11 library (Make use of Boost.Chrono and Boost.Move) 162 and the <a href="http://home.roadrunner.com/~hinnant/bloomington/shared_mutex.html" target="_top">Shared 163 Locking</a> Howard Hinnant proposal except for the upward conversions. 164 Some minor non-standard features have been added also as thread attributes, 165 reverse_lock, shared_lock_guard. 166 </p> 167<p> 168 In order to use the classes and functions described here, you can either include 169 the specific headers specified by the descriptions of each class or function, 170 or include the master thread library header: 171 </p> 172<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">thread</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 173</pre> 174<p> 175 which includes all the other headers in turn. 176 </p> 177</div> 178</div> 179<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 180<td align="left"><p><small>Last revised: August 11, 2020 at 15:03:11 GMT</small></p></td> 181<td align="right"><div class="copyright-footer"></div></td> 182</tr></table> 183<hr> 184<div class="spirit-nav"> 185<a accesskey="p" href="boost_stlinterfaces/rationale.html"><img src="../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="libraries.html"><img src="../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="thread/build.html"><img src="../../doc/src/images/next.png" alt="Next"></a> 186</div> 187</body> 188</html> 189
