<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Class template map_index</title> <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../../boost_interprocess_reference.html#header.boost.interprocess.indexes.map_index_hpp" title="Header <boost/interprocess/indexes/map_index.hpp>"> <link rel="prev" href="iunordered_set_index.html" title="Class template iunordered_set_index"> <link rel="next" href="null_index.html" title="Class template null_index"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> <td align="center"><a href="../../../../index.html">Home</a></td> <td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="iunordered_set_index.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_interprocess_reference.html#header.boost.interprocess.indexes.map_index_hpp"><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="null_index.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="refentry"> <a name="boost.interprocess.map_index"></a><div class="titlepage"></div> <div class="refnamediv"> <h2><span class="refentrytitle">Class template map_index</span></h2> <p>boost::interprocess::map_index</p> </div> <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../boost_interprocess_reference.html#header.boost.interprocess.indexes.map_index_hpp" title="Header <boost/interprocess/indexes/map_index.hpp>">boost/interprocess/indexes/map_index.hpp</a>> </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> MapConfig<span class="special">></span> <span class="keyword">class</span> <a class="link" href="map_index.html" title="Class template map_index">map_index</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">container</span><span class="special">::</span><span class="identifier">map</span><span class="special"><</span><span class="identifier">MapConfig</span><span class="special">></span> <span class="special">{</span> <span class="keyword">public</span><span class="special">:</span> <span class="comment">// <a class="link" href="map_index.html#boost.interprocess.map_indexconstruct-copy-destruct">construct/copy/destruct</a></span> <a class="link" href="map_index.html#id818747-bb"><span class="identifier">map_index</span></a><span class="special">(</span><a class="link" href="segment_manager_base.html" title="Class template segment_manager_base">segment_manager_base</a> <span class="special">*</span><span class="special">)</span><span class="special">;</span> <span class="comment">// <a class="link" href="map_index.html#id818714-bb">public member functions</a></span> <span class="keyword">void</span> <a class="link" href="map_index.html#id818717-bb"><span class="identifier">reserve</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">)</span><span class="special">;</span> <span class="keyword">void</span> <a class="link" href="map_index.html#id818735-bb"><span class="identifier">shrink_to_fit</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> <span class="special">}</span><span class="special">;</span></pre></div> <div class="refsect1"> <a name="id1461993"></a><h2>Description</h2> <p>Index type based in boost::interprocess::map. Just derives from boost::interprocess::map and defines the interface needed by managed memory segments </p> <div class="refsect2"> <a name="id1462002"></a><h3> <a name="boost.interprocess.map_indexconstruct-copy-destruct"></a><code class="computeroutput">map_index</code> public construct/copy/destruct</h3> <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> <pre class="literallayout"><a name="id818747-bb"></a><span class="identifier">map_index</span><span class="special">(</span><a class="link" href="segment_manager_base.html" title="Class template segment_manager_base">segment_manager_base</a> <span class="special">*</span> segment_mngr<span class="special">)</span><span class="special">;</span></pre> <p>Constructor. Takes a pointer to the segment manager. Can throw </p> </li></ol></div> </div> <div class="refsect2"> <a name="id1462067"></a><h3> <a name="id818714-bb"></a><code class="computeroutput">map_index</code> public member functions</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"> <pre class="literallayout"><span class="keyword">void</span> <a name="id818717-bb"></a><span class="identifier">reserve</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">)</span><span class="special">;</span></pre> <p>This reserves memory to optimize the insertion of n elements in the index </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">void</span> <a name="id818735-bb"></a><span class="identifier">shrink_to_fit</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> <p>This tries to free previously allocate unused memory. </p> </li> </ol></div> </div> </div> </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 © 2005 - 2008 Ion Gaztanaga<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="iunordered_set_index.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_interprocess_reference.html#header.boost.interprocess.indexes.map_index_hpp"><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="null_index.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>