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<a name="boost.interprocess.basic_managed__idp55490864"></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: <<a class="link" href="../../interprocess/indexes_reference.html#header.boost.interprocess.managed_external_buffer_hpp" title="Header <boost/interprocess/managed_external_buffer.hpp>">boost/interprocess/managed_external_buffer.hpp</a>>
</span><span class="keyword">template</span><span class="special"><</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"><</span> <span class="keyword">class</span> <span class="identifier">IndexConfig</span> <span class="special">></span> <span class="keyword">class</span> IndexType<span class="special">></span>
<span class="keyword">class</span> <a class="link" href="basic_managed__idp55490864.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">// types</span>
<span class="keyword">typedef</span> <span class="identifier">base_t</span><span class="special">::</span><span class="identifier">size_type</span> <a name="boost.interprocess.basic_managed__idp55490864.size_type"></a><span class="identifier">size_type</span><span class="special">;</span>
<span class="comment">// <a class="link" href="basic_managed__idp55490864.html#boost.interprocess.basic_managed__idp55490864construct-copy-destruct">construct/copy/destruct</a></span>
<a class="link" href="basic_managed__idp55490864.html#idp55499552-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__idp55490864.html#idp55500320-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">size_type</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed__idp55490864.html#idp55503136-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">size_type</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed__idp55490864.html#idp55505952-bb"><span class="identifier">basic_managed_external_buffer</span></a><span class="special">(</span><a class="link" href="basic_managed__idp55490864.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&&</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed__idp55490864.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&</span> <a class="link" href="basic_managed__idp55490864.html#idp55507584-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="basic_managed__idp55490864.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&&</span><span class="special">)</span><span class="special">;</span>
<span class="comment">// <a class="link" href="basic_managed__idp55490864.html#idp55494960-bb">public member functions</a></span>
<span class="keyword">void</span> <a class="link" href="basic_managed__idp55490864.html#idp55495520-bb"><span class="identifier">grow</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="basic_managed__idp55490864.html#idp55497056-bb"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="basic_managed__idp55490864.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</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="idp275042320"></a><h2>Description</h2>
<p>A basic user memory named object creation class. Inherits all basic functionality from basic_managed_memory_impl<CharType, AllocationAlgorithm, IndexType> </p>
<div class="refsect2">
<a name="idp275043232"></a><h3>
<a name="boost.interprocess.basic_managed__idp55490864construct-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="idp55499552-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="idp55500320-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">size_type</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="idp55503136-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">size_type</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="idp55505952-bb"></a><span class="identifier">basic_managed_external_buffer</span><span class="special">(</span><a class="link" href="basic_managed__idp55490864.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&&</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"><a class="link" href="basic_managed__idp55490864.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&</span>
<a name="idp55507584-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="basic_managed__idp55490864.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&&</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="idp275078208"></a><h3>
<a name="idp55494960-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="idp55495520-bb"></a><span class="identifier">grow</span><span class="special">(</span><span class="identifier">size_type</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="idp55497056-bb"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="basic_managed__idp55490864.html" title="Class template basic_managed_external_buffer">basic_managed_external_buffer</a> <span class="special">&</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>
</li>
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