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- <a href="../index.html" class="icon icon-home" alt="Documentation Home"> libmemcached
+ <a href="../index.html" class="icon icon-home"> libmemcached
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<li class="toctree-l4"><a class="reference internal" href="memcached_behavior.html">Behaviors of the library</a></li>
<li class="toctree-l4 current"><a class="current reference internal" href="#">Library callbacks</a></li>
<li class="toctree-l4"><a class="reference internal" href="memcached_memory_allocators.html">Use custom allocators for embedded usage</a></li>
-<li class="toctree-l4"><a class="reference internal" href="memcached_user_data.html">Storing custom user information in the client.</a></li>
+<li class="toctree-l4"><a class="reference internal" href="memcached_user_data.html">Storing custom information in the client</a></li>
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<h1>Library callbacks<a class="headerlink" href="#library-callbacks" title="Permalink to this headline">¶</a></h1>
<div class="section" id="synopsis">
<h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
-<dl class="simple">
-<dt>#include <libmemcached/memcached.h></dt><dd><p>Compile and link with -lmemcached</p>
-</dd>
+<dl class="docutils">
+<dt>#include <libmemcached/memcached.h></dt>
+<dd>Compile and link with -lmemcached</dd>
</dl>
-<dl class="cpp function">
+<dl class="function">
<dt id="_CPPv422memcached_callback_setP12memcached_st20memcached_callback_tPKv">
-<span id="_CPPv322memcached_callback_setP12memcached_st20memcached_callback_tPKv"></span><span id="_CPPv222memcached_callback_setP12memcached_st20memcached_callback_tPKv"></span><span id="memcached_callback_set__memcached_stP.memcached_callback_t.voidCP"></span><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <code class="sig-name descname">memcached_callback_set</code><span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>ptr</em>, <a class="reference internal" href="#_CPPv420memcached_callback_t" title="memcached_callback_t">memcached_callback_t</a> <em>flag</em>, <em class="property">const</em> void *<em>data</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv422memcached_callback_setP12memcached_st20memcached_callback_tPKv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><dl class="field-list simple">
-<dt class="field-odd">Parameters</dt>
-<dd class="field-odd"><ul class="simple">
-<li><p><strong>ptr</strong> -- pointer to initialized <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_st</span></code></a> struct</p></li>
-<li><p><strong>flag</strong> -- <a class="reference internal" href="#_CPPv420memcached_callback_t" title="memcached_callback_t"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_callback_t</span></code></a> flag to set</p></li>
-<li><p><strong>data</strong> -- data corresponding to <a class="reference internal" href="#_CPPv422memcached_callback_setP12memcached_st20memcached_callback_tPKv" title="memcached_callback_set::flag"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">flag</span></code></a></p></li>
+<span id="_CPPv322memcached_callback_setP12memcached_st20memcached_callback_tPKv"></span><span id="_CPPv222memcached_callback_setP12memcached_st20memcached_callback_tPKv"></span><span id="memcached_callback_set__memcached_stP.memcached_callback_t.voidCP"></span><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <code class="descname">memcached_callback_set</code><span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>ptr</em>, <a class="reference internal" href="#_CPPv420memcached_callback_t" title="memcached_callback_t">memcached_callback_t</a> <em>flag</em>, <em class="property">const</em> void *<em>data</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv422memcached_callback_setP12memcached_st20memcached_callback_tPKv" title="Permalink to this definition">¶</a><br /></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>ptr</strong> -- pointer to initialized <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_st</span></code></a> struct</li>
+<li><strong>flag</strong> -- <a class="reference internal" href="#_CPPv420memcached_callback_t" title="memcached_callback_t"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_callback_t</span></code></a> flag to set</li>
+<li><strong>data</strong> -- data corresponding to <a class="reference internal" href="#_CPPv422memcached_callback_setP12memcached_st20memcached_callback_tPKv" title="memcached_callback_set::flag"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">flag</span></code></a></li>
</ul>
-</dd>
-<dt class="field-even">Returns</dt>
-<dd class="field-even"><p><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_return_t</span></code></a> indicating success</p>
-</dd>
-</dl>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last"><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_return_t</span></code></a> indicating success</p>
+</td>
+</tr>
+</tbody>
+</table>
</dd></dl>
-<dl class="cpp function">
+<dl class="function">
<dt id="_CPPv422memcached_callback_getP12memcached_st20memcached_callback_tP18memcached_return_t">
-<span id="_CPPv322memcached_callback_getP12memcached_st20memcached_callback_tP18memcached_return_t"></span><span id="_CPPv222memcached_callback_getP12memcached_st20memcached_callback_tP18memcached_return_t"></span><span id="memcached_callback_get__memcached_stP.memcached_callback_t.memcached_return_tP"></span>void *<code class="sig-name descname">memcached_callback_get</code><span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>ptr</em>, <a class="reference internal" href="#_CPPv420memcached_callback_t" title="memcached_callback_t">memcached_callback_t</a> <em>flag</em>, <a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> *<em>error</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv422memcached_callback_getP12memcached_st20memcached_callback_tP18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
-<dd><dl class="field-list simple">
-<dt class="field-odd">Parameters</dt>
-<dd class="field-odd"><ul class="simple">
-<li><p><strong>ptr</strong> -- pointer to initialized <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_st</span></code></a> struct</p></li>
-<li><p><strong>flag</strong> -- <a class="reference internal" href="#_CPPv420memcached_callback_t" title="memcached_callback_t"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_callback_t</span></code></a> flag to query</p></li>
-<li><p><strong>error</strong> -- pointer to <a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_return_t</span></code></a> indicating success</p></li>
+<span id="_CPPv322memcached_callback_getP12memcached_st20memcached_callback_tP18memcached_return_t"></span><span id="_CPPv222memcached_callback_getP12memcached_st20memcached_callback_tP18memcached_return_t"></span><span id="memcached_callback_get__memcached_stP.memcached_callback_t.memcached_return_tP"></span>void *<code class="descname">memcached_callback_get</code><span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>ptr</em>, <a class="reference internal" href="#_CPPv420memcached_callback_t" title="memcached_callback_t">memcached_callback_t</a> <em>flag</em>, <a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> *<em>error</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv422memcached_callback_getP12memcached_st20memcached_callback_tP18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>ptr</strong> -- pointer to initialized <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_st</span></code></a> struct</li>
+<li><strong>flag</strong> -- <a class="reference internal" href="#_CPPv420memcached_callback_t" title="memcached_callback_t"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_callback_t</span></code></a> flag to query</li>
+<li><strong>error</strong> -- pointer to <a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_return_t</span></code></a> indicating success</li>
</ul>
-</dd>
-<dt class="field-even">Returns</dt>
-<dd class="field-even"><p>the <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">data</span></code> previously set</p>
-</dd>
-</dl>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">the <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">data</span></code> previously set</p>
+</td>
+</tr>
+</tbody>
+</table>
</dd></dl>
-<dl class="c type">
+<dl class="type">
<dt id="c.memcached_callback_t">
-<em class="property">typedef </em><em class="property">enum</em> <a class="reference internal" href="#c.memcached_callback_t" title="memcached_callback_t">memcached_callback_t</a> <code class="sig-name descname">memcached_callback_t</code><a class="headerlink" href="#c.memcached_callback_t" title="Permalink to this definition">¶</a><br /></dt>
+enum <a class="reference internal" href="#c.memcached_callback_t" title="memcached_callback_t">memcached_callback_t</a> <code class="descname">memcached_callback_t</code><a class="headerlink" href="#c.memcached_callback_t" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
-<dl class="cpp enum">
+<dl class="enum">
<dt id="_CPPv420memcached_callback_t">
-<span id="_CPPv320memcached_callback_t"></span><span id="_CPPv220memcached_callback_t"></span><em class="property">enum </em><code class="
sig-name descname">memcached_callback_t</code><a class="headerlink" href="#_CPPv420memcached_callback_t" title="Permalink to this definition">¶</a><br /></dt>
-<dd><dl class="cpp enumerator">
+<span id="_CPPv320memcached_callback_t"></span><span id="_CPPv220memcached_callback_t"></span><em class="property">enum </em><code class="descname">memcached_callback_t</code><a class="headerlink" href="#_CPPv420memcached_callback_t" title="Permalink to this definition">¶</a><br /></dt>
+<dd><dl class="enumerator">
<dt id="_CPPv4N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTIONE">
-<span id="_CPPv3N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTIONE"></span><span id="_CPPv2N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTIONE"></span><em class="property">enumerator </em><code class="
sig-name descname">MEMCACHED_CALLBACK_CLEANUP_FUNCTION</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTIONE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTIONE"></span><span id="_CPPv2N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTIONE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CALLBACK_CLEANUP_FUNCTION</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTIONE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>When <a class="reference internal" href="memcached_create.html#_CPPv414memcached_freeP12memcached_st" title="memcached_free"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_free()</span></code></a> or <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_reset</span></code> is called this function
will be executed. At the point of its execution all connections are closed.</p>
<p>Its signature is:</p>
-<dl class="cpp type">
+<dl class="type">
<dt id="_CPPv4N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTION20memcached_cleanup_fnE">
-<span id="_CPPv3N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTION20memcached_cleanup_fnE"></span><span id="_CPPv2N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTION20memcached_cleanup_fnE"></span><span id="memcached_callback_t::MEMCACHED_CALLBACK_CLEANUP_FUNCTION::memcached_cleanup_fn"></span><em class="property">typedef </em><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> (*<code class="
sig-name descname">memcached_cleanup_fn</code>)<span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *ptr<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTION20memcached_cleanup_fnE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTION20memcached_cleanup_fnE"></span><span id="_CPPv2N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTION20memcached_cleanup_fnE"></span><span id="memcached_callback_t::MEMCACHED_CALLBACK_CLEANUP_FUNCTION::memcached_cleanup_fn"></span><em class="property">typedef </em><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> (*<code class="descname">memcached_cleanup_fn</code>)<span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *ptr<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N20memcached_callback_t35MEMCACHED_CALLBACK_CLEANUP_FUNCTION20memcached_cleanup_fnE" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>
</dd></dl>
-<dl class="cpp enumerator">
+<dl class="enumerator">
<dt id="_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTIONE">
-<span id="_CPPv3N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTIONE"></span><span id="_CPPv2N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTIONE"></span><em class="property">enumerator </em><code class="
sig-name descname">MEMCACHED_CALLBACK_CLONE_FUNCTION</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTIONE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTIONE"></span><span id="_CPPv2N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTIONE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CALLBACK_CLONE_FUNCTION</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTIONE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>When <a class="reference internal" href="memcached_create.html#_CPPv415memcached_cloneP12memcached_stP12memcached_st" title="memcached_clone"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_clone()</span></code></a> is called this function will be executed.</p>
<p>Its signature is:</p>
-<dl class="cpp type">
+<dl class="type">
<dt id="_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTION18memcached_clone_fnE">
-<span id="_CPPv3N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTION18memcached_clone_fnE"></span><span id="_CPPv2N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTION18memcached_clone_fnE"></span><span id="memcached_callback_t::MEMCACHED_CALLBACK_CLONE_FUNCTION::memcached_clone_fn"></span><em class="property">typedef </em><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> (*<code class="
sig-name descname">memcached_clone_fn</code>)<span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *destination, <em class="property">const</em> <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *source<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTION18memcached_clone_fnE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTION18memcached_clone_fnE"></span><span id="_CPPv2N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTION18memcached_clone_fnE"></span><span id="memcached_callback_t::MEMCACHED_CALLBACK_CLONE_FUNCTION::memcached_clone_fn"></span><em class="property">typedef </em><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> (*<code class="descname">memcached_clone_fn</code>)<span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *destination, <em class="property">const</em> <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *source<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_CLONE_FUNCTION18memcached_clone_fnE" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>
</dd></dl>
-<dl class="cpp enumerator">
+<dl class="enumerator">
<dt id="_CPPv4N20memcached_callback_t29MEMCACHED_CALLBACK_PREFIX_KEYE">
-<span id="_CPPv3N20memcached_callback_t29MEMCACHED_CALLBACK_PREFIX_KEYE"></span><span id="_CPPv2N20memcached_callback_t29MEMCACHED_CALLBACK_PREFIX_KEYE"></span><em class="property">enumerator </em><code class="
sig-name descname">MEMCACHED_CALLBACK_PREFIX_KEY</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t29MEMCACHED_CALLBACK_PREFIX_KEYE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t29MEMCACHED_CALLBACK_PREFIX_KEYE"></span><span id="_CPPv2N20memcached_callback_t29MEMCACHED_CALLBACK_PREFIX_KEYE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CALLBACK_PREFIX_KEY</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t29MEMCACHED_CALLBACK_PREFIX_KEYE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>See <a class="reference internal" href="#_CPPv4N20memcached_callback_t28MEMCACHED_CALLBACK_NAMESPACEE" title="memcached_callback_t::MEMCACHED_CALLBACK_NAMESPACE"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">MEMCACHED_CALLBACK_NAMESPACE</span></code></a>.</p>
</dd></dl>
-<dl class="cpp enumerator">
+<dl class="enumerator">
<dt id="_CPPv4N20memcached_callback_t28MEMCACHED_CALLBACK_NAMESPACEE">
-<span id="_CPPv3N20memcached_callback_t28MEMCACHED_CALLBACK_NAMESPACEE"></span><span id="_CPPv2N20memcached_callback_t28MEMCACHED_CALLBACK_NAMESPACEE"></span><em class="property">enumerator </em><code class="
sig-name descname">MEMCACHED_CALLBACK_NAMESPACE</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t28MEMCACHED_CALLBACK_NAMESPACEE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t28MEMCACHED_CALLBACK_NAMESPACEE"></span><span id="_CPPv2N20memcached_callback_t28MEMCACHED_CALLBACK_NAMESPACEE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CALLBACK_NAMESPACE</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t28MEMCACHED_CALLBACK_NAMESPACEE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>You can set a value which will be used to create a domain for your keys.
The value specified here will be prefixed to each of your keys. The
value can not be greater then <a class="reference internal" href="constants.html#c.MEMCACHED_MAX_NAMESPACE" title="MEMCACHED_MAX_NAMESPACE"><code class="xref c c-macro docutils literal notranslate"><span class="pre">MEMCACHED_MAX_NAMESPACE</span></code></a> - 1 and
disabled.</p>
</dd></dl>
-<dl class="cpp enumerator">
+<dl class="enumerator">
<dt id="_CPPv4N20memcached_callback_t28MEMCACHED_CALLBACK_USER_DATAE">
-<span id="_CPPv3N20memcached_callback_t28MEMCACHED_CALLBACK_USER_DATAE"></span><span id="_CPPv2N20memcached_callback_t28MEMCACHED_CALLBACK_USER_DATAE"></span><em class="property">enumerator </em><code class="
sig-name descname">MEMCACHED_CALLBACK_USER_DATA</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t28MEMCACHED_CALLBACK_USER_DATAE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t28MEMCACHED_CALLBACK_USER_DATAE"></span><span id="_CPPv2N20memcached_callback_t28MEMCACHED_CALLBACK_USER_DATAE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CALLBACK_USER_DATA</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t28MEMCACHED_CALLBACK_USER_DATAE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>This allows you to store a pointer to a specific piece of data. This can
be retrieved from inside of <a class="reference internal" href="memcached_get.html#_CPPv423memcached_fetch_executeP12memcached_stP20memcached_execute_fnPv8uint32_t" title="memcached_fetch_execute"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_fetch_execute()</span></code></a>. Cloning a
<a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_st</span></code></a> will copy the pointer to the clone.</p>
</dd></dl>
-<dl class="cpp enumerator">
+<dl class="enumerator">
<dt id="_CPPv4N20memcached_callback_t34MEMCACHED_CALLBACK_MALLOC_FUNCTIONE">
-<span id="_CPPv3N20memcached_callback_t34MEMCACHED_CALLBACK_MALLOC_FUNCTIONE"></span><span id="_CPPv2N20memcached_callback_t34MEMCACHED_CALLBACK_MALLOC_FUNCTIONE"></span><em class="property">enumerator </em><code class="
sig-name descname">MEMCACHED_CALLBACK_MALLOC_FUNCTION</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t34MEMCACHED_CALLBACK_MALLOC_FUNCTIONE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t34MEMCACHED_CALLBACK_MALLOC_FUNCTIONE"></span><span id="_CPPv2N20memcached_callback_t34MEMCACHED_CALLBACK_MALLOC_FUNCTIONE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CALLBACK_MALLOC_FUNCTION</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t34MEMCACHED_CALLBACK_MALLOC_FUNCTIONE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="deprecated">
-<p><span class="versionmodified
deprecated">Deprecated since version <0.32: </span>Use <a class="reference internal" href="memcached_memory_allocators.html#_CPPv431memcached_set_memory_allocatorsP12memcached_st19memcached_malloc_fn17memcached_free_fn20memcached_realloc_fn19memcached_calloc_fnPv" title="memcached_set_memory_allocators"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_set_memory_allocators()</span></code></a> instead.</p>
+<p><span class="versionmodified">Deprecated since version <0.32: </span>Use <a class="reference internal" href="memcached_memory_allocators.html#_CPPv431memcached_set_memory_allocatorsP12memcached_st19memcached_malloc_fn17memcached_free_fn20memcached_realloc_fn19memcached_calloc_fnPv" title="memcached_set_memory_allocators"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_set_memory_allocators()</span></code></a> instead.</p>
</div>
</dd></dl>
-<dl class="cpp enumerator">
+<dl class="enumerator">
<dt id="_CPPv4N20memcached_callback_t35MEMCACHED_CALLBACK_REALLOC_FUNCTIONE">
-<span id="_CPPv3N20memcached_callback_t35MEMCACHED_CALLBACK_REALLOC_FUNCTIONE"></span><span id="_CPPv2N20memcached_callback_t35MEMCACHED_CALLBACK_REALLOC_FUNCTIONE"></span><em class="property">enumerator </em><code class="
sig-name descname">MEMCACHED_CALLBACK_REALLOC_FUNCTION</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t35MEMCACHED_CALLBACK_REALLOC_FUNCTIONE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t35MEMCACHED_CALLBACK_REALLOC_FUNCTIONE"></span><span id="_CPPv2N20memcached_callback_t35MEMCACHED_CALLBACK_REALLOC_FUNCTIONE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CALLBACK_REALLOC_FUNCTION</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t35MEMCACHED_CALLBACK_REALLOC_FUNCTIONE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="deprecated">
-<p><span class="versionmodified
deprecated">Deprecated since version <0.32: </span>Use <a class="reference internal" href="memcached_memory_allocators.html#_CPPv431memcached_set_memory_allocatorsP12memcached_st19memcached_malloc_fn17memcached_free_fn20memcached_realloc_fn19memcached_calloc_fnPv" title="memcached_set_memory_allocators"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_set_memory_allocators()</span></code></a> instead.</p>
+<p><span class="versionmodified">Deprecated since version <0.32: </span>Use <a class="reference internal" href="memcached_memory_allocators.html#_CPPv431memcached_set_memory_allocatorsP12memcached_st19memcached_malloc_fn17memcached_free_fn20memcached_realloc_fn19memcached_calloc_fnPv" title="memcached_set_memory_allocators"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_set_memory_allocators()</span></code></a> instead.</p>
</div>
</dd></dl>
-<dl class="cpp enumerator">
+<dl class="enumerator">
<dt id="_CPPv4N20memcached_callback_t32MEMCACHED_CALLBACK_FREE_FUNCTIONE">
-<span id="_CPPv3N20memcached_callback_t32MEMCACHED_CALLBACK_FREE_FUNCTIONE"></span><span id="_CPPv2N20memcached_callback_t32MEMCACHED_CALLBACK_FREE_FUNCTIONE"></span><em class="property">enumerator </em><code class="
sig-name descname">MEMCACHED_CALLBACK_FREE_FUNCTION</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t32MEMCACHED_CALLBACK_FREE_FUNCTIONE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t32MEMCACHED_CALLBACK_FREE_FUNCTIONE"></span><span id="_CPPv2N20memcached_callback_t32MEMCACHED_CALLBACK_FREE_FUNCTIONE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CALLBACK_FREE_FUNCTION</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t32MEMCACHED_CALLBACK_FREE_FUNCTIONE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="deprecated">
-<p><span class="versionmodified
deprecated">Deprecated since version <0.32: </span>Use <a class="reference internal" href="memcached_memory_allocators.html#_CPPv431memcached_set_memory_allocatorsP12memcached_st19memcached_malloc_fn17memcached_free_fn20memcached_realloc_fn19memcached_calloc_fnPv" title="memcached_set_memory_allocators"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_set_memory_allocators()</span></code></a> instead.</p>
+<p><span class="versionmodified">Deprecated since version <0.32: </span>Use <a class="reference internal" href="memcached_memory_allocators.html#_CPPv431memcached_set_memory_allocatorsP12memcached_st19memcached_malloc_fn17memcached_free_fn20memcached_realloc_fn19memcached_calloc_fnPv" title="memcached_set_memory_allocators"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_set_memory_allocators()</span></code></a> instead.</p>
</div>
</dd></dl>
-<dl class="cpp enumerator">
+<dl class="enumerator">
<dt id="_CPPv4N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILUREE">
-<span id="_CPPv3N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILUREE"></span><span id="_CPPv2N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILUREE"></span><em class="property">enumerator </em><code class="
sig-name descname">MEMCACHED_CALLBACK_GET_FAILURE</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILUREE"></span><span id="_CPPv2N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CALLBACK_GET_FAILURE</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>This function implements the read through cache behavior. On failure of
retrieval this callback will be called.</p>
<p>You are responsible for populating the result object provided. This
object to be buffered and not sent immediately (if this is the default
behavior based on your connection setup this will happen automatically).</p>
<p>The prototype for this is:</p>
-<dl class="cpp type">
+<dl class="type">
<dt id="_CPPv4N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILURE21memcached_trigger_keyE">
-<span id="_CPPv3N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILURE21memcached_trigger_keyE"></span><span id="_CPPv2N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILURE21memcached_trigger_keyE"></span><span id="memcached_callback_t::MEMCACHED_CALLBACK_GET_FAILURE::memcached_trigger_key"></span><em class="property">typedef </em><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> (*<code class="
sig-name descname">memcached_trigger_key</code>)<span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *ptr, char *key, size_t key_length, <a class="reference internal" href="memcached_result_st.html#_CPPv419memcached_result_st" title="memcached_result_st">memcached_result_st</a> *result<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILURE21memcached_trigger_keyE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILURE21memcached_trigger_keyE"></span><span id="_CPPv2N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILURE21memcached_trigger_keyE"></span><span id="memcached_callback_t::MEMCACHED_CALLBACK_GET_FAILURE::memcached_trigger_key"></span><em class="property">typedef </em><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> (*<code class="descname">memcached_trigger_key</code>)<span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *ptr, char *key, size_t key_length, <a class="reference internal" href="memcached_result_st.html#_CPPv419memcached_result_st" title="memcached_result_st">memcached_result_st</a> *result<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N20memcached_callback_t30MEMCACHED_CALLBACK_GET_FAILURE21memcached_trigger_keyE" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>
</dd></dl>
-<dl class="cpp enumerator">
+<dl class="enumerator">
<dt id="_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGERE">
-<span id="_CPPv3N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGERE"></span><span id="_CPPv2N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGERE"></span><em class="property">enumerator </em><code class="
sig-name descname">MEMCACHED_CALLBACK_DELETE_TRIGGER</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGERE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGERE"></span><span id="_CPPv2N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGERE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CALLBACK_DELETE_TRIGGER</code><a class="headerlink" href="#_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGERE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>This function implements a trigger upon successful deletion of a key.
The <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached_st</span></code></a> structure will need to be cloned in order to make use
of it.</p>
<p>The prototype for this is:</p>
-<dl class="cpp type">
+<dl class="type">
<dt id="_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGER28memcached_trigger_delete_keyE">
-<span id="_CPPv3N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGER28memcached_trigger_delete_keyE"></span><span id="_CPPv2N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGER28memcached_trigger_delete_keyE"></span><span id="memcached_callback_t::MEMCACHED_CALLBACK_DELETE_TRIGGER::memcached_trigger_delete_key"></span><em class="property">typedef </em><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> (*<code class="
sig-name descname">memcached_trigger_delete_key</code>)<span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *ptr, char *key, size_t key_length<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGER28memcached_trigger_delete_keyE" title="Permalink to this definition">¶</a><br /></dt>
+<span id="_CPPv3N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGER28memcached_trigger_delete_keyE"></span><span id="_CPPv2N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGER28memcached_trigger_delete_keyE"></span><span id="memcached_callback_t::MEMCACHED_CALLBACK_DELETE_TRIGGER::memcached_trigger_delete_key"></span><em class="property">typedef </em><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> (*<code class="descname">memcached_trigger_delete_key</code>)<span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *ptr, char *key, size_t key_length<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N20memcached_callback_t33MEMCACHED_CALLBACK_DELETE_TRIGGER28memcached_trigger_delete_keyE" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>
</dd></dl>
<div class="section" id="see-also">
<h2>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h2>
<ul class="simple">
-<li><p><em class="manpage"><a class="manpage reference external" href="https://linux.die.net/man/1/memcached">memcached(1)</a></em></p></li>
-<li><p><a class="reference internal" href="../libmemcached.html"><span class="doc">C/C++ Client Library for memcached</span></a></p></li>
-<li><p><a class="reference internal" href="memcached_strerror.html"><span class="doc">Converting Error Codes to Messages</span></a></p></li>
+<li><em class="manpage"><a class="manpage reference external" href="https://linux.die.net/man/1/memcached">memcached(1)</a></em></li>
+<li><a class="reference internal" href="../libmemcached.html"><span class="doc">C/C++ Client Library for memcached</span></a></li>
+<li><a class="reference internal" href="memcached_strerror.html"><span class="doc">Converting Error Codes to Messages</span></a></li>
</ul>
</div>
</div>
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