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<title>GNU Radio 3.2.2 C++ API: pmt_pool Class Reference</title>
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<h1>pmt_pool Class Reference</h1><!-- doxytag: class="pmt_pool" -->
<p>very simple thread-safe fixed-size allocation pool
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="pmt__pool_8h_source.html">pmt_pool.h</a>></code></p>
<p><a href="classpmt__pool-members.html">List of all members.</a></p>
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<tr><td colspan="2"><h2>Classes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><b>item</b></td></tr>
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classpmt__pool.html#aff4e8d57d1441a79ccd0a7b6164f7e4e">pmt_pool</a> (size_t itemsize, size_t alignment=16, size_t allocation_size=4096, size_t max_items=0)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classpmt__pool.html#aee7004d923b1a2bfef46c46d8e18a0eb">~pmt_pool</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classpmt__pool.html#a92d57a2f62e3b02693b86755e42a23c2">malloc</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classpmt__pool.html#a949bba8b34cfa48772eecf8926cb475b">free</a> (void *p)</td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>very simple thread-safe fixed-size allocation pool </p>
<p>FIXME may want to go to global allocation with per-thread free list. This would eliminate virtually all lock contention. </p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="aff4e8d57d1441a79ccd0a7b6164f7e4e"></a><!-- doxytag: member="pmt_pool::pmt_pool" ref="aff4e8d57d1441a79ccd0a7b6164f7e4e" args="(size_t itemsize, size_t alignment=16, size_t allocation_size=4096, size_t max_items=0)" -->
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<td class="memname">pmt_pool::pmt_pool </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>itemsize</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">size_t </td>
<td class="paramname"> <em>alignment</em> = <code>16</code>, </td>
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<td class="paramtype">size_t </td>
<td class="paramname"> <em>allocation_size</em> = <code>4096</code>, </td>
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<td class="paramtype">size_t </td>
<td class="paramname"> <em>max_items</em> = <code>0</code></td><td> </td>
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<td>)</td>
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<dl><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>itemsize</em> </td><td>size in bytes of the items to be allocated. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>alignment</em> </td><td>alignment in bytes of all objects to be allocated (must be power-of-2). </td></tr>
<tr><td valign="top"></td><td valign="top"><em>allocation_size</em> </td><td>number of bytes to allocate at a time from the underlying allocator. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>max_items</em> </td><td>is the maximum number of items to allocate. If this number is exceeded, the allocate blocks. 0 implies no limit. </td></tr>
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<a class="anchor" id="aee7004d923b1a2bfef46c46d8e18a0eb"></a><!-- doxytag: member="pmt_pool::~pmt_pool" ref="aee7004d923b1a2bfef46c46d8e18a0eb" args="()" -->
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<td class="memname">pmt_pool::~pmt_pool </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a949bba8b34cfa48772eecf8926cb475b"></a><!-- doxytag: member="pmt_pool::free" ref="a949bba8b34cfa48772eecf8926cb475b" args="(void *p)" -->
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<td class="memname">void pmt_pool::free </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"> <em>p</em></td>
<td> ) </td>
<td></td>
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<a class="anchor" id="a92d57a2f62e3b02693b86755e42a23c2"></a><!-- doxytag: member="pmt_pool::malloc" ref="a92d57a2f62e3b02693b86755e42a23c2" args="()" -->
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<td class="memname">void* pmt_pool::malloc </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td></td>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="pmt__pool_8h_source.html">pmt_pool.h</a></li>
</ul>
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