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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>camel-mempool: Camel Reference Manual</title>
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                  <a href="#camel-camel-mempool.description" class="shortcut">Description</a></span>
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<div class="refentry">
<a name="camel-camel-mempool"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="camel-camel-mempool.top_of_page"></a>camel-mempool</span></h2>
<p>camel-mempool</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="camel-camel-mempool.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool"><span class="returnvalue">CamelMemPool</span></a> *
</td>
<td class="function_name">
<a class="link" href="camel-camel-mempool.html#camel-mempool-new" title="camel_mempool_new ()">camel_mempool_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<a class="link" href="camel-camel-mempool.html#camel-mempool-alloc" title="camel_mempool_alloc ()">camel_mempool_alloc</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a class="link" href="camel-camel-mempool.html#camel-mempool-strdup" title="camel_mempool_strdup ()">camel_mempool_strdup</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="camel-camel-mempool.html#camel-mempool-flush" title="camel_mempool_flush ()">camel_mempool_flush</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="camel-camel-mempool.html#camel-mempool-destroy" title="camel_mempool_destroy ()">camel_mempool_destroy</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="camel-camel-mempool.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool">CamelMemPool</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="camel-camel-mempool.html#CamelMemPoolFlags" title="enum CamelMemPoolFlags">CamelMemPoolFlags</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="camel-camel-mempool.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="camel-camel-mempool.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="camel-mempool-new"></a><h3>camel_mempool_new ()</h3>
<pre class="programlisting"><a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool"><span class="returnvalue">CamelMemPool</span></a> *
camel_mempool_new (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> blocksize</code></em>,
                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> threshold</code></em>,
                   <em class="parameter"><code><a class="link" href="camel-camel-mempool.html#CamelMemPoolFlags" title="enum CamelMemPoolFlags"><span class="type">CamelMemPoolFlags</span></a> flags</code></em>);</pre>
<p>Create a new mempool header.  Mempools can be used to efficiently
allocate data which can then be freed as a whole.</p>
<p>Mempools can also be used to efficiently allocate arbitrarily
aligned data (such as strings) without incurring the space overhead
of aligning each allocation (which is not required for strings).</p>
<p>However, each allocation cannot be freed individually, only all
or nothing.</p>
<div class="refsect3">
<a name="id-1.2.13.9.6.2.7"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>blocksize</p></td>
<td class="parameter_description"><p>The base blocksize to use for all system alocations.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>threshold</p></td>
<td class="parameter_description"><p>If the allocation exceeds the threshold, then it is
allocated separately and stored in a separate list.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>Alignment options: CAMEL_MEMPOOL_ALIGN_STRUCT uses native
struct alignment, CAMEL_MEMPOOL_ALIGN_WORD aligns to 16 bits (2 bytes),
and CAMEL_MEMPOOL_ALIGN_BYTE aligns to the nearest byte.  The default
is to align to native structures.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2.32.html" title="Index of new symbols in 2.32">2.32</a></p>
</div>
<hr>
<div class="refsect2">
<a name="camel-mempool-alloc"></a><h3>camel_mempool_alloc ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
camel_mempool_alloc (<em class="parameter"><code><a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool"><span class="type">CamelMemPool</span></a> *pool</code></em>,
                     <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> size</code></em>);</pre>
<p>Allocate a new data block in the mempool.  Size will
be rounded up to the mempool's alignment restrictions
before being used.</p>
<div class="refsect3">
<a name="id-1.2.13.9.6.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pool</p></td>
<td class="parameter_description"><p>a <a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool"><span class="type">CamelMemPool</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2.32.html" title="Index of new symbols in 2.32">2.32</a></p>
</div>
<hr>
<div class="refsect2">
<a name="camel-mempool-strdup"></a><h3>camel_mempool_strdup ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
camel_mempool_strdup (<em class="parameter"><code><a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool"><span class="type">CamelMemPool</span></a> *pool</code></em>,
                      <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *str</code></em>);</pre>
<div class="refsect3">
<a name="id-1.2.13.9.6.4.4"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pool</p></td>
<td class="parameter_description"><p>a <a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool"><span class="type">CamelMemPool</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2.32.html" title="Index of new symbols in 2.32">2.32</a></p>
</div>
<hr>
<div class="refsect2">
<a name="camel-mempool-flush"></a><h3>camel_mempool_flush ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
camel_mempool_flush (<em class="parameter"><code><a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool"><span class="type">CamelMemPool</span></a> *pool</code></em>,
                     <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> freeall</code></em>);</pre>
<p>Flush used memory and mark allocated blocks as free.</p>
<p>If <em class="parameter"><code>freeall</code></em>
 is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, then all allocated blocks are free'd
as well.  Otherwise only blocks above the threshold are
actually freed, and the others are simply marked as empty.</p>
<div class="refsect3">
<a name="id-1.2.13.9.6.5.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pool</p></td>
<td class="parameter_description"><p>a <a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool"><span class="type">CamelMemPool</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>freeall</p></td>
<td class="parameter_description"><p>free all system allocated blocks as well</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2.32.html" title="Index of new symbols in 2.32">2.32</a></p>
</div>
<hr>
<div class="refsect2">
<a name="camel-mempool-destroy"></a><h3>camel_mempool_destroy ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
camel_mempool_destroy (<em class="parameter"><code><a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool"><span class="type">CamelMemPool</span></a> *pool</code></em>);</pre>
<p>Free all memory associated with a mempool.</p>
<div class="refsect3">
<a name="id-1.2.13.9.6.6.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pool</p></td>
<td class="parameter_description"><p>a <a class="link" href="camel-camel-mempool.html#CamelMemPool" title="CamelMemPool"><span class="type">CamelMemPool</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2.32.html" title="Index of new symbols in 2.32">2.32</a></p>
</div>
</div>
<div class="refsect1">
<a name="camel-camel-mempool.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="CamelMemPool"></a><h3>CamelMemPool</h3>
<pre class="programlisting">typedef struct _CamelMemPool CamelMemPool;</pre>
<p class="since">Since: <a class="link" href="api-index-2.32.html" title="Index of new symbols in 2.32">2.32</a></p>
</div>
<hr>
<div class="refsect2">
<a name="CamelMemPoolFlags"></a><h3>enum CamelMemPoolFlags</h3>
<div class="refsect3">
<a name="id-1.2.13.9.7.3.3"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="CAMEL-MEMPOOL-ALIGN-STRUCT:CAPS"></a>CAMEL_MEMPOOL_ALIGN_STRUCT</p></td>
<td class="enum_member_description">
<p>Allocate to native structure alignment</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="CAMEL-MEMPOOL-ALIGN-WORD:CAPS"></a>CAMEL_MEMPOOL_ALIGN_WORD</p></td>
<td class="enum_member_description">
<p>Allocate to words - 16 bit alignment</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="CAMEL-MEMPOOL-ALIGN-BYTE:CAPS"></a>CAMEL_MEMPOOL_ALIGN_BYTE</p></td>
<td class="enum_member_description">
<p>Allocate to bytes - 8 bit alignment</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="CAMEL-MEMPOOL-ALIGN-MASK:CAPS"></a>CAMEL_MEMPOOL_ALIGN_MASK</p></td>
<td class="enum_member_description">
<p>Which bits determine the alignment information</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2.32.html" title="Index of new symbols in 2.32">2.32</a></p>
</div>
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