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<title>Class template basic_managed_windows_shared_memory</title>
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<a name="boost.interprocess.basic_managed_windows_s_id986858"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Class template basic_managed_windows_shared_memory</span></h2>
<p>boost::interprocess::basic_managed_windows_shared_memory</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.managed_windows_shared_memory_hpp" title="Header <boost/interprocess/managed_windows_shared_memory.hpp>">boost/interprocess/managed_windows_shared_memory.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_windows_s_id986858.html" title="Class template basic_managed_windows_shared_memory">basic_managed_windows_shared_memory</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_windows_s_id986858.size_type"></a><span class="identifier">size_type</span><span class="special">;</span>
<span class="comment">// <a class="link" href="basic_managed_windows_s_id986858.html#boost.interprocess.basic_managed_windows_s_id986858construct-copy-destruct">construct/copy/destruct</a></span>
<a class="link" href="basic_managed_windows_s_id986858.html#id986952-bb"><span class="identifier">basic_managed_windows_shared_memory</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed_windows_s_id986858.html#id986957-bb"><span class="identifier">basic_managed_windows_shared_memory</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">const</span> <span class="keyword">char</span> <span class="special">*</span><span class="special">,</span> <span class="identifier">size_type</span><span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">=</span> <span class="number">0</span><span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a> <span class="special">&</span> <span class="special">=</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed_windows_s_id986858.html#id987006-bb"><span class="identifier">basic_managed_windows_shared_memory</span></a><span class="special">(</span><a class="link" href="open_or_create_t.html" title="Struct open_or_create_t">open_or_create_t</a><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span><span class="special">,</span>
<span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">=</span> <span class="number">0</span><span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a> <span class="special">&</span> <span class="special">=</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed_windows_s_id986858.html#id987056-bb"><span class="identifier">basic_managed_windows_shared_memory</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">const</span> <span class="keyword">char</span> <span class="special">*</span><span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed_windows_s_id986858.html#id987082-bb"><span class="identifier">basic_managed_windows_shared_memory</span></a><span class="special">(</span><a class="link" href="open_copy_on_write_t.html" title="Struct open_copy_on_write_t">open_copy_on_write_t</a><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span><span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed_windows_s_id986858.html#id987108-bb"><span class="identifier">basic_managed_windows_shared_memory</span></a><span class="special">(</span><a class="link" href="open_read_only_t.html" title="Struct open_read_only_t">open_read_only_t</a><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span><span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed_windows_s_id986858.html#id987135-bb"><span class="identifier">basic_managed_windows_shared_memory</span></a><span class="special">(</span><a class="link" href="basic_managed_windows_s_id986858.html" title="Class template basic_managed_windows_shared_memory">basic_managed_windows_shared_memory</a> <span class="special">&&</span><span class="special">)</span><span class="special">;</span>
basic_managed_windows_shared_memory&
<a class="link" href="basic_managed_windows_s_id986858.html#id987149-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="basic_managed_windows_s_id986858.html" title="Class template basic_managed_windows_shared_memory">basic_managed_windows_shared_memory</a> <span class="special">&&</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_managed_windows_s_id986858.html#id987163-bb"><span class="special">~</span><span class="identifier">basic_managed_windows_shared_memory</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="comment">// <a class="link" href="basic_managed_windows_s_id986858.html#id986927-bb">public member functions</a></span>
<span class="keyword">void</span> <a class="link" href="basic_managed_windows_s_id986858.html#id986930-bb"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="basic_managed_windows_s_id986858.html" title="Class template basic_managed_windows_shared_memory">basic_managed_windows_shared_memory</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="id1792084"></a><h2>Description</h2>
<p>A basic managed windows shared memory creation class. Initializes the shared memory segment. Inherits all basic functionality from basic_managed_memory_impl<CharType, AllocationAlgorithm, IndexType> Unlike <a class="link" href="basic_managed_shared_me_id986512.html" title="Class template basic_managed_shared_memory">basic_managed_shared_memory</a>, it has no kernel persistence and the shared memory is destroyed when all processes destroy all their <a class="link" href="windows_shared_memory.html" title="Class windows_shared_memory">windows_shared_memory</a> objects and mapped regions for the same shared memory or the processes end/crash.</p>
<p>Warning: <a class="link" href="basic_managed_windows_s_id986858.html" title="Class template basic_managed_windows_shared_memory">basic_managed_windows_shared_memory</a> and <a class="link" href="basic_managed_shared_me_id986512.html" title="Class template basic_managed_shared_memory">basic_managed_shared_memory</a> can't communicate between them. </p>
<div class="refsect2">
<a name="id1792136"></a><h3>
<a name="boost.interprocess.basic_managed_windows_s_id986858construct-copy-destruct"></a><code class="computeroutput">basic_managed_windows_shared_memory</code>
public
construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><a name="id986952-bb"></a><span class="identifier">basic_managed_windows_shared_memory</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="id986957-bb"></a><span class="identifier">basic_managed_windows_shared_memory</span><span class="special">(</span><a class="link" href="create_only_t.html" title="Struct create_only_t">create_only_t</a> create_only<span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span> name<span class="special">,</span> <span class="identifier">size_type</span> size<span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">void</span> <span class="special">*</span> addr <span class="special">=</span> <span class="number">0</span><span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a> <span class="special">&</span> perm <span class="special">=</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre>
<p>Creates shared memory and creates and places the segment manager. This can throw. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="id987006-bb"></a><span class="identifier">basic_managed_windows_shared_memory</span><span class="special">(</span><a class="link" href="open_or_create_t.html" title="Struct open_or_create_t">open_or_create_t</a> open_or_create<span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span> name<span class="special">,</span> <span class="identifier">size_type</span> size<span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">void</span> <span class="special">*</span> addr <span class="special">=</span> <span class="number">0</span><span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a> <span class="special">&</span> perm <span class="special">=</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre>
<p>Creates shared memory and creates and places the segment manager if segment was not created. If segment was created it connects to the segment. This can throw. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="id987056-bb"></a><span class="identifier">basic_managed_windows_shared_memory</span><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a> open_only<span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span> name<span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">void</span> <span class="special">*</span> addr <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span></pre>
<p>Connects to a created shared memory and its segment manager. This can throw. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="id987082-bb"></a><span class="identifier">basic_managed_windows_shared_memory</span><span class="special">(</span><a class="link" href="open_copy_on_write_t.html" title="Struct open_copy_on_write_t">open_copy_on_write_t</a><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span> name<span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">void</span> <span class="special">*</span> addr <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span></pre>
<p>Connects to a created shared memory and its segment manager in copy_on_write mode. This can throw. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="id987108-bb"></a><span class="identifier">basic_managed_windows_shared_memory</span><span class="special">(</span><a class="link" href="open_read_only_t.html" title="Struct open_read_only_t">open_read_only_t</a><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span> name<span class="special">,</span>
<span class="keyword">const</span> <span class="keyword">void</span> <span class="special">*</span> addr <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span></pre>
<p>Connects to a created shared memory and its segment manager in read-only mode. This can throw. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="id987135-bb"></a><span class="identifier">basic_managed_windows_shared_memory</span><span class="special">(</span><a class="link" href="basic_managed_windows_s_id986858.html" title="Class template basic_managed_windows_shared_memory">basic_managed_windows_shared_memory</a> <span class="special">&&</span> moved<span class="special">)</span><span class="special">;</span></pre>
<p>Moves the ownership of "moved"'s managed memory to *this. Does not throw </p>
</li>
<li class="listitem">
<pre class="literallayout">basic_managed_windows_shared_memory&
<a name="id987149-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="basic_managed_windows_s_id986858.html" title="Class template basic_managed_windows_shared_memory">basic_managed_windows_shared_memory</a> <span class="special">&&</span> moved<span class="special">)</span><span class="special">;</span></pre>
<p>Moves the ownership of "moved"'s managed memory to *this. Does not throw </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="id987163-bb"></a><span class="special">~</span><span class="identifier">basic_managed_windows_shared_memory</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p>Destroys *this and indicates that the calling process is finished using the resource. All mapped regions are still valid after destruction. When all mapped regions and <code class="computeroutput"><a class="link" href="basic_managed_windows_s_id986858.html" title="Class template basic_managed_windows_shared_memory">basic_managed_windows_shared_memory</a></code> objects referring the shared memory are destroyed, the operating system will destroy the shared memory. </p>
</li>
</ol></div>
</div>
<div class="refsect2">
<a name="id1792928"></a><h3>
<a name="id986927-bb"></a><code class="computeroutput">basic_managed_windows_shared_memory</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="id986930-bb"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="basic_managed_windows_s_id986858.html" title="Class template basic_managed_windows_shared_memory">basic_managed_windows_shared_memory</a> <span class="special">&</span> other<span class="special">)</span><span class="special">;</span></pre>
<p>Swaps the ownership of the managed mapped memories managed by *this and other. Never throws. </p>
</li></ol></div>
</div>
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<td align="right"><div class="copyright-footer">Copyright © 2005-2011 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>)
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