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<a name="boost.interprocess.basic_managed_external__id818699"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Class template basic_managed_external_buffer</span></h2>
<p>boost::interprocess::basic_managed_external_buffer</p>
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<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: &lt;<a class="link" href="../../boost_interprocess_reference.html#header.boost.interprocess.managed_external_buffer_hpp" title="Header &lt;boost/interprocess/managed_external_buffer.hpp&gt;">boost/interprocess/managed_external_buffer.hpp</a>&gt;
</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharType<span class="special">,</span> <span class="keyword">typename</span> AllocationAlgorithm<span class="special">,</span>
<span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">class</span> <span class="identifier">IndexConfig</span> <span class="special">&gt;</span> <span class="keyword">class</span> IndexType<span class="special">&gt;</span>
<span class="keyword">class</span> <a class="link" href="basic_managed_external__id818699.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="comment">// <a class="link" href="basic_managed_external__id818699.html#boost.interprocess.basic_managed_external__id818699construct-copy-destruct">construct/copy/destruct</a></span>
<a class="link" href="basic_managed_external__id818699.html#id818765-bb"><span class="identifier">basic_managed_external_buffer</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed_external__id818699.html#id818771-bb"><span class="identifier">basic_managed_external_buffer</span></a><span class="special">(</span><a class="link" href="create_only_t.html" title="Struct create_only_t">create_only_t</a><span class="special">,</span> <span class="keyword">void</span> <span class="special">*</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>
<a class="link" href="basic_managed_external__id818699.html#id818793-bb"><span class="identifier">basic_managed_external_buffer</span></a><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a><span class="special">,</span> <span class="keyword">void</span> <span class="special">*</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>
<a class="link" href="basic_managed_external__id818699.html#id818815-bb"><span class="identifier">basic_managed_external_buffer</span></a><span class="special">(</span><a class="link" href="basic_managed_external__id818699.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
basic_managed_external_buffer&amp; <a class="link" href="basic_managed_external__id818699.html#id818828-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="basic_managed_external__id818699.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="comment">// <a class="link" href="basic_managed_external__id818699.html#id818728-bb">public member functions</a></span>
<span class="keyword">void</span> <a class="link" href="basic_managed_external__id818699.html#id818731-bb"><span class="identifier">grow</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="basic_managed_external__id818699.html#id818745-bb"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="basic_managed_external__id818699.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id1467295"></a><h2>Description</h2>
<p>A basic user memory named object creation class. Inherits all basic functionality from basic_managed_memory_impl&lt;CharType, AllocationAlgorithm, IndexType&gt; </p>
<div class="refsect2">
<a name="id1467307"></a><h3>
<a name="boost.interprocess.basic_managed_external__id818699construct-copy-destruct"></a><code class="computeroutput">basic_managed_external_buffer</code>
public
construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><a name="id818765-bb"></a><span class="identifier">basic_managed_external_buffer</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p>Default constructor. Does nothing. Useful in combination with move semantics </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="id818771-bb"></a><span class="identifier">basic_managed_external_buffer</span><span class="special">(</span><a class="link" href="create_only_t.html" title="Struct create_only_t">create_only_t</a><span class="special">,</span> <span class="keyword">void</span> <span class="special">*</span> addr<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> size<span class="special">)</span><span class="special">;</span></pre>Creates and places the segment manager. This can throw. </li>
<li class="listitem">
<pre class="literallayout"><a name="id818793-bb"></a><span class="identifier">basic_managed_external_buffer</span><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a><span class="special">,</span> <span class="keyword">void</span> <span class="special">*</span> addr<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> size<span class="special">)</span><span class="special">;</span></pre>Creates and places the segment manager. This can throw. </li>
<li class="listitem">
<pre class="literallayout"><a name="id818815-bb"></a><span class="identifier">basic_managed_external_buffer</span><span class="special">(</span><a class="link" href="basic_managed_external__id818699.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&amp;&amp;</span> moved<span class="special">)</span><span class="special">;</span></pre>Moves the ownership of "moved"'s managed memory to *this. Does not throw. </li>
<li class="listitem">
<pre class="literallayout">basic_managed_external_buffer&amp;
<a name="id818828-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="basic_managed_external__id818699.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&amp;&amp;</span> moved<span class="special">)</span><span class="special">;</span></pre>Moves the ownership of "moved"'s managed memory to *this. Does not throw. </li>
</ol></div>
</div>
<div class="refsect2">
<a name="id1467606"></a><h3>
<a name="id818728-bb"></a><code class="computeroutput">basic_managed_external_buffer</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="id818731-bb"></a><span class="identifier">grow</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> extra_bytes<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="id818745-bb"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="basic_managed_external__id818699.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&amp;</span> other<span class="special">)</span><span class="special">;</span></pre>
<p>Swaps the ownership of the managed heap memories managed by *this and other. Never throws. </p>
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