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+<p class="caption"><span class="caption-text">libmemcachedutil</span></p>
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+<li class="toctree-l1 current"><a class="reference internal" href="index.html">libmemcachedutil API</a><ul class="current">
+<li class="toctree-l2 current"><a class="current reference internal" href="#">Working with memcached pools</a></li>
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+<p class="caption"><span class="caption-text">libhashkit</span></p>
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+<li class="toctree-l1"><a class="reference internal" href="../libhashkit.html">Introduction</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../libhashkit/hashkit_create.html">Creating a hashkit structure</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../bin/memcapable.html">memcapable - Checking a Memcached server capabilities and compatibility</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../bin/memslap.html">memslap - Load testing and benchmarking a server</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../bin/memaslap.html">memaslap - Load testing and benchmarking a server</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../bin/memstat.html">memstat - Gather statistics from a server</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../bin/memexist.html">memexist - Check for the existence of a key</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../bin/memparse.html">memparse - Parse an option string</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../bin/memping.html">memping - Test to see if a server is available.</a></li>
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+ <div class="section" id="working-with-memcached-pools">
+<h1>Working with memcached pools<a class="headerlink" href="#working-with-memcached-pools" 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_pool.h></dt><dd><p>Compile and link with -lmemcachedutil -lmemcached</p>
+</dd>
+</dl>
+<dl class="type">
+<dt id="_CPPv417memcached_pool_st">
+<span id="_CPPv317memcached_pool_st"></span><span id="_CPPv217memcached_pool_st"></span><span id="memcached_pool_st"></span><em class="property">typedef </em><em class="property">struct</em> <a class="reference internal" href="#_CPPv417memcached_pool_st" title="memcached_pool_st">memcached_pool_st</a> <code class="sig-name descname">memcached_pool_st</code><a class="headerlink" href="#_CPPv417memcached_pool_st" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<dl class="function">
+<dt id="_CPPv414memcached_poolPKc6size_t">
+<span id="_CPPv314memcached_poolPKc6size_t"></span><span id="_CPPv214memcached_poolPKc6size_t"></span><span id="memcached_pool__cCP.s"></span><a class="reference internal" href="#_CPPv417memcached_pool_st" title="memcached_pool_st">memcached_pool_st</a> *<code class="sig-name descname">memcached_pool</code><span class="sig-paren">(</span><em class="property">const</em> char *<em>option_string</em>, size_t <em>option_string_length</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv414memcached_poolPKc6size_t" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<dl class="function">
+<dt id="_CPPv422memcached_pool_destroyP17memcached_pool_st">
+<span id="_CPPv322memcached_pool_destroyP17memcached_pool_st"></span><span id="_CPPv222memcached_pool_destroyP17memcached_pool_st"></span><span id="memcached_pool_destroy__memcached_pool_stP"></span><a class="reference internal" href="../libmemcached/memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<code class="sig-name descname">memcached_pool_destroy</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv417memcached_pool_st" title="memcached_pool_st">memcached_pool_st</a> *<em>pool</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv422memcached_pool_destroyP17memcached_pool_st" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<dl class="function">
+<dt id="_CPPv420memcached_pool_fetchP17memcached_pool_stP8timespecP18memcached_return_t">
+<span id="_CPPv320memcached_pool_fetchP17memcached_pool_stP8timespecP18memcached_return_t"></span><span id="_CPPv220memcached_pool_fetchP17memcached_pool_stP8timespecP18memcached_return_t"></span><span id="memcached_pool_fetch__memcached_pool_stP.timespecP.memcached_return_tP"></span><a class="reference internal" href="../libmemcached/memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<code class="sig-name descname">memcached_pool_fetch</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv417memcached_pool_st" title="memcached_pool_st">memcached_pool_st</a> *, <em class="property">struct</em> timespec *<em>relative_time</em>, <a class="reference internal" href="../libmemcached/memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> *<em>rc</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv420memcached_pool_fetchP17memcached_pool_stP8timespecP18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<div class="versionadded">
+<p><span class="versionmodified added">New in version 0.53: </span>Synonym for memcached_pool_pop</p>
+</div>
+<dl class="function">
+<dt id="_CPPv422memcached_pool_releaseP17memcached_pool_stP12memcached_st">
+<span id="_CPPv322memcached_pool_releaseP17memcached_pool_stP12memcached_st"></span><span id="_CPPv222memcached_pool_releaseP17memcached_pool_stP12memcached_st"></span><span id="memcached_pool_release__memcached_pool_stP.memcached_stP"></span><a class="reference internal" href="../libmemcached/memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <code class="sig-name descname">memcached_pool_release</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv417memcached_pool_st" title="memcached_pool_st">memcached_pool_st</a> *<em>pool</em>, <a class="reference internal" href="../libmemcached/memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>mmc</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv422memcached_pool_releaseP17memcached_pool_stP12memcached_st" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<div class="versionadded">
+<p><span class="versionmodified added">New in version 0.53: </span>Synonym for memcached_pool_push.</p>
+</div>
+<dl class="function">
+<dt id="_CPPv427memcached_pool_behavior_setP17memcached_pool_st20memcached_behavior_t8uint64_t">
+<span id="_CPPv327memcached_pool_behavior_setP17memcached_pool_st20memcached_behavior_t8uint64_t"></span><span id="_CPPv227memcached_pool_behavior_setP17memcached_pool_st20memcached_behavior_t8uint64_t"></span><span id="memcached_pool_behavior_set__memcached_pool_stP.memcached_behavior_t.uint64_t"></span><a class="reference internal" href="../libmemcached/memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <code class="sig-name descname">memcached_pool_behavior_set</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv417memcached_pool_st" title="memcached_pool_st">memcached_pool_st</a> *<em>pool</em>, <a class="reference internal" href="../libmemcached/memcached_behavior.html#_CPPv420memcached_behavior_t" title="memcached_behavior_t">memcached_behavior_t</a> <em>flag</em>, uint64_t <em>data</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv427memcached_pool_behavior_setP17memcached_pool_st20memcached_behavior_t8uint64_t" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<dl class="function">
+<dt id="_CPPv427memcached_pool_behavior_getP17memcached_pool_st20memcached_behavior_tP8uint64_t">
+<span id="_CPPv327memcached_pool_behavior_getP17memcached_pool_st20memcached_behavior_tP8uint64_t"></span><span id="_CPPv227memcached_pool_behavior_getP17memcached_pool_st20memcached_behavior_tP8uint64_t"></span><span id="memcached_pool_behavior_get__memcached_pool_stP.memcached_behavior_t.uint64_tP"></span><a class="reference internal" href="../libmemcached/memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <code class="sig-name descname">memcached_pool_behavior_get</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv417memcached_pool_st" title="memcached_pool_st">memcached_pool_st</a> *<em>pool</em>, <a class="reference internal" href="../libmemcached/memcached_behavior.html#_CPPv420memcached_behavior_t" title="memcached_behavior_t">memcached_behavior_t</a> <em>flag</em>, uint64_t *<em>value</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv427memcached_pool_behavior_getP17memcached_pool_st20memcached_behavior_tP8uint64_t" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<dl class="function">
+<dt id="_CPPv421memcached_pool_createP12memcached_stii">
+<span id="_CPPv321memcached_pool_createP12memcached_stii"></span><span id="_CPPv221memcached_pool_createP12memcached_stii"></span><span id="memcached_pool_create__memcached_stP.i.i"></span><a class="reference internal" href="#_CPPv417memcached_pool_st" title="memcached_pool_st">memcached_pool_st</a> *<code class="sig-name descname">memcached_pool_create</code><span class="sig-paren">(</span><a class="reference internal" href="../libmemcached/memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>mmc</em>, int <em>initial</em>, int <em>max</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv421memcached_pool_createP12memcached_stii" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<div class="deprecated">
+<p><span class="versionmodified deprecated">Deprecated since version 0.46: </span>Use <a class="reference internal" href="#_CPPv414memcached_poolPKc6size_t" title="memcached_pool"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool()</span></code></a></p>
+</div>
+<dl class="function">
+<dt id="_CPPv418memcached_pool_popP17memcached_pool_stbP18memcached_return_t">
+<span id="_CPPv318memcached_pool_popP17memcached_pool_stbP18memcached_return_t"></span><span id="_CPPv218memcached_pool_popP17memcached_pool_stbP18memcached_return_t"></span><span id="memcached_pool_pop__memcached_pool_stP.b.memcached_return_tP"></span><a class="reference internal" href="../libmemcached/memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<code class="sig-name descname">memcached_pool_pop</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv417memcached_pool_st" title="memcached_pool_st">memcached_pool_st</a> *<em>pool</em>, bool <em>block</em>, <a class="reference internal" href="../libmemcached/memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> *<em>rc</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv418memcached_pool_popP17memcached_pool_stbP18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<div class="deprecated">
+<p><span class="versionmodified deprecated">Deprecated since version 0.53: </span>Use <a class="reference internal" href="#_CPPv420memcached_pool_fetchP17memcached_pool_stP8timespecP18memcached_return_t" title="memcached_pool_fetch"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_fetch()</span></code></a></p>
+</div>
+<dl class="function">
+<dt id="_CPPv419memcached_pool_pushP17memcached_pool_stP12memcached_st">
+<span id="_CPPv319memcached_pool_pushP17memcached_pool_stP12memcached_st"></span><span id="_CPPv219memcached_pool_pushP17memcached_pool_stP12memcached_st"></span><span id="memcached_pool_push__memcached_pool_stP.memcached_stP"></span><a class="reference internal" href="../libmemcached/memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <code class="sig-name descname">memcached_pool_push</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv417memcached_pool_st" title="memcached_pool_st">memcached_pool_st</a> *<em>pool</em>, <a class="reference internal" href="../libmemcached/memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>mmc</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv419memcached_pool_pushP17memcached_pool_stP12memcached_st" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<div class="deprecated">
+<p><span class="versionmodified deprecated">Deprecated since version 0.53: </span>Use <a class="reference internal" href="#_CPPv422memcached_pool_releaseP17memcached_pool_stP12memcached_st" title="memcached_pool_release"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_release()</span></code></a></p>
+</div>
+</div>
+<div class="section" id="description">
+<h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
+<p><a class="reference internal" href="#_CPPv414memcached_poolPKc6size_t" title="memcached_pool"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool()</span></code></a> is used to create a connection pool of objects you
+may use to remove the overhead of using memcached_clone for short lived
+<a class="reference internal" href="../libmemcached/memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a> objects. Please see <a class="reference internal" href="../libmemcached/configuration.html"><span class="doc">libmemcached Configuration</span></a>
+for details on the format of the configuration string.</p>
+<p><a class="reference internal" href="#_CPPv422memcached_pool_destroyP17memcached_pool_st" title="memcached_pool_destroy"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_destroy()</span></code></a> is used to destroy the connection pool
+created with <a class="reference internal" href="#_CPPv421memcached_pool_createP12memcached_stii" title="memcached_pool_create"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_create()</span></code></a> and release all allocated
+resources. It will return the pointer to the <a class="reference internal" href="../libmemcached/memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a> structure
+passed as an argument to <a class="reference internal" href="#_CPPv421memcached_pool_createP12memcached_stii" title="memcached_pool_create"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_create()</span></code></a>, and returns the
+ownership of the pointer to the caller when created with
+<a class="reference internal" href="#_CPPv421memcached_pool_createP12memcached_stii" title="memcached_pool_create"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_create()</span></code></a>, otherwise NULL is returned..</p>
+<p><a class="reference internal" href="#_CPPv420memcached_pool_fetchP17memcached_pool_stP8timespecP18memcached_return_t" title="memcached_pool_fetch"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_fetch()</span></code></a> is used to fetch a connection structure from the
+connection pool. The relative_time argument specifies if the function should
+block and wait for a connection structure to be available if we try
+to exceed the maximum size. You need to specify time in relative time.</p>
+<p><a class="reference internal" href="#_CPPv422memcached_pool_releaseP17memcached_pool_stP12memcached_st" title="memcached_pool_release"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_release()</span></code></a> is used to return a connection structure back
+to the pool.</p>
+<p><a class="reference internal" href="#_CPPv427memcached_pool_behavior_getP17memcached_pool_st20memcached_behavior_tP8uint64_t" title="memcached_pool_behavior_get"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_behavior_get()</span></code></a> and <a class="reference internal" href="#_CPPv427memcached_pool_behavior_setP17memcached_pool_st20memcached_behavior_t8uint64_t" title="memcached_pool_behavior_set"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_behavior_set()</span></code></a>
+is used to get/set behavior flags on all connections in the pool.</p>
+<p>Both <a class="reference internal" href="#_CPPv422memcached_pool_releaseP17memcached_pool_stP12memcached_st" title="memcached_pool_release"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_release()</span></code></a> and <a class="reference internal" href="#_CPPv420memcached_pool_fetchP17memcached_pool_stP8timespecP18memcached_return_t" title="memcached_pool_fetch"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_fetch()</span></code></a> are
+thread safe.</p>
+</div>
+<div class="section" id="return">
+<h2>RETURN<a class="headerlink" href="#return" title="Permalink to this headline">¶</a></h2>
+<p><a class="reference internal" href="#_CPPv422memcached_pool_destroyP17memcached_pool_st" title="memcached_pool_destroy"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_destroy()</span></code></a> returns the pointer (and ownership) to the
+<a class="reference internal" href="../libmemcached/memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a> structure used to create the pool. If connections are in
+use it returns NULL.</p>
+<p><a class="reference internal" href="#_CPPv418memcached_pool_popP17memcached_pool_stbP18memcached_return_t" title="memcached_pool_pop"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_pop()</span></code></a> returns a pointer to a <a class="reference internal" href="../libmemcached/memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a>
+structure from the pool (or NULL if an allocation cannot be satisfied).</p>
+<p><a class="reference internal" href="#_CPPv422memcached_pool_releaseP17memcached_pool_stP12memcached_st" title="memcached_pool_release"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_release()</span></code></a> returns <a class="reference internal" href="../libmemcached/memcached_return_t.html#_CPPv4N18memcached_return_t17MEMCACHED_SUCCESSE" title="MEMCACHED_SUCCESS"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">MEMCACHED_SUCCESS</span></code></a> upon success.</p>
+<p><a class="reference internal" href="#_CPPv427memcached_pool_behavior_getP17memcached_pool_st20memcached_behavior_tP8uint64_t" title="memcached_pool_behavior_get"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_behavior_get()</span></code></a> and <a class="reference internal" href="#_CPPv427memcached_pool_behavior_getP17memcached_pool_st20memcached_behavior_tP8uint64_t" title="memcached_pool_behavior_get"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_pool_behavior_get()</span></code></a>
+returns <a class="reference internal" href="../libmemcached/memcached_return_t.html#_CPPv4N18memcached_return_t17MEMCACHED_SUCCESSE" title="MEMCACHED_SUCCESS"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">MEMCACHED_SUCCESS</span></code></a> upon success.</p>
+<p>If any methods returns MEMCACHED_IN_PROGRESS then a lock on the pool could not
+be obtained. If any of the parameters passed to any of these functions is
+invalid, MEMCACHED_INVALID_ARGUMENTS will be returned.</p>
+<p>memcached_pool_fetch may return MEMCACHED_TIMEOUT if a timeout occurs while
+waiting for a free memcached_st. MEMCACHED_NOTFOUND if no memcached_st was
+available.</p>
+</div>
+<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="http://man7.org/linux/man-pages/man1/memcached.1.html">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="../libmemcached/configuration.html"><span class="doc">libmemcached Configuration</span></a></p></li>
+<li><p><a class="reference internal" href="../libmemcached/memcached_strerror.html"><span class="doc">Converting Error Codes to Messages</span></a></p></li>
+</ul>
+</div>
+</div>
+
+
+ </div>
+
+ </div>
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+
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projects / m6w6 / libmemcached / blobdiff