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| <h2><span class="refentrytitle">Struct default_user_allocator_new_delete</span></h2> |
| <p>boost::default_user_allocator_new_delete — Allocator used as the default template parameter for a <a href="../boost_pool/pool/pooling.html#boost_pool.pool.pooling.user_allocator" target="_top">UserAllocator</a> template parameter. Uses new and delete. </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="../header/boost/pool/pool_hpp.html" title="Header <boost/pool/pool.hpp>">boost/pool/pool.hpp</a>> |
| |
| </span> |
| <span class="keyword">struct</span> <a class="link" href="default_user_allocator_new_delete.html" title="Struct default_user_allocator_new_delete">default_user_allocator_new_delete</a> <span class="special">{</span> |
| <span class="comment">// types</span> |
| <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a name="boost.default_user_allocator_new_delete.size_type"></a><span class="identifier">size_type</span><span class="special">;</span> <span class="comment">// An unsigned integral type that can represent the size of the largest object to be allocated. </span> |
| <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ptrdiff_t</span> <a name="boost.default_user_allocator_new_delete.difference_type"></a><span class="identifier">difference_type</span><span class="special">;</span> <span class="comment">// A signed integral type that can represent the difference of any two pointers. </span> |
| |
| <span class="comment">// <a class="link" href="default_user_allocator_new_delete.html#id376878-bb">public static functions</a></span> |
| <span class="keyword">static</span> <span class="keyword">char</span> <span class="special">*</span> <a class="link" href="default_user_allocator_new_delete.html#id376880-bb"><span class="identifier">malloc</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">static</span> <span class="keyword">void</span> <a class="link" href="default_user_allocator_new_delete.html#id376895-bb"><span class="identifier">free</span></a><span class="special">(</span><span class="keyword">char</span> <span class="special">*</span><span class="keyword">const</span><span class="special">)</span><span class="special">;</span> |
| <span class="special">}</span><span class="special">;</span></pre></div> |
| <div class="refsect1"> |
| <a name="id927604"></a><h2>Description</h2> |
| <div class="refsect2"> |
| <a name="id927608"></a><h3> |
| <a name="id376878-bb"></a><code class="computeroutput">default_user_allocator_new_delete</code> public static functions</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">static</span> <span class="keyword">char</span> <span class="special">*</span> <a name="id376880-bb"></a><span class="identifier">malloc</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">size_type</span> bytes<span class="special">)</span><span class="special">;</span></pre> |
| <p>Attempts to allocate n bytes from the system. Returns 0 if out-of-memory </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">static</span> <span class="keyword">void</span> <a name="id376895-bb"></a><span class="identifier">free</span><span class="special">(</span><span class="keyword">char</span> <span class="special">*</span><span class="keyword">const</span> block<span class="special">)</span><span class="special">;</span></pre> |
| <p>Attempts to de-allocate block. |
| </p> |
| <div class="variablelist"><table border="0"> |
| <col align="left" valign="top"> |
| <tbody><tr> |
| <td><p><span class="term">Requires:</span></p></td> |
| <td><p>Block must have been previously returned from a call to UserAllocator::malloc. </p></td> |
| </tr></tbody> |
| </table></div> |
| </li> |
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| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 2000-2006 Stephen Cleary<br>Copyright © 2011 Paul A. Bristow<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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