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  <div class="section" id="lock">
<h1>Lock<a class="headerlink" href="#lock" title="Permalink to this headline"></a></h1>
<div class="section" id="class-rwlock">
<h2>class RWLock<a class="headerlink" href="#class-rwlock" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="_CPPv2N6paddle6RWLockE">
<span id="paddle::RWLock"></span><span class="target" id="paddleclasspaddle_1_1RWLock"></span><em class="property">class </em><code class="descclassname">paddle::</code><code class="descname">RWLock</code><a class="headerlink" href="#_CPPv2N6paddle6RWLockE" title="Permalink to this definition"></a></dt>
<dd><p>A simple read-write lock. The RWlock allows a number of readers or at most one writer at any point in time. The RWlock disable copy.</p>
<p>Lock:</p>
<p>Use <a class="reference internal" href="#paddleclasspaddle_1_1RWLock_1a6aa591dd56341097550d2424830e151d"><span>lock()</span></a> to lock on write mode, no other thread can get it until unlock.</p>
<p>Use <a class="reference internal" href="#paddleclasspaddle_1_1RWLock_1acd26f9a9bb834456b0a92c63c7193d07"><span>lock_shared()</span></a> to lock on read mode, other thread can get it by using the same method <a class="reference internal" href="#paddleclasspaddle_1_1RWLock_1acd26f9a9bb834456b0a92c63c7193d07"><span>lock_shared()</span></a>.</p>
<p>Unlock:</p>
<p>Use unlock() to unlock the lock. </p>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle6RWLock6RWLockEv">
<span id="paddle::RWLock::RWLock"></span><span class="target" id="paddleclasspaddle_1_1RWLock_1af4c6311e9a80a889e933207b5678a9c5"></span><code class="descname">RWLock</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle6RWLock6RWLockEv" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle6RWLockD0Ev">
<span id="paddle::RWLock::~RWLock"></span><span class="target" id="paddleclasspaddle_1_1RWLock_1aeaa05b8ff1aab02065c7af2a44961090"></span><code class="descname">~RWLock</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle6RWLockD0Ev" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle6RWLock6RWLockERK6RWLock">
<span id="paddle::RWLock::RWLock__RWLockCR"></span><span class="target" id="paddleclasspaddle_1_1RWLock_1a24cb539ee8c117e6d4cdd10cff2e0536"></span><code class="descname">RWLock</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv2N6paddle6RWLock6RWLockEv" title="paddle::RWLock::RWLock">RWLock</a>&amp;<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle6RWLock6RWLockERK6RWLock" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle6RWLockaSERK6RWLock">
<span id="paddle::RWLock::assign-operator__RWLockCR"></span><span class="target" id="paddleclasspaddle_1_1RWLock_1a3ef2a97e32b75e49d2b0ce4b9fb7ffd3"></span><a class="reference internal" href="#_CPPv2N6paddle6RWLock6RWLockEv" title="paddle::RWLock::RWLock">RWLock</a> &amp;<code class="descname">operator=</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv2N6paddle6RWLock6RWLockEv" title="paddle::RWLock::RWLock">RWLock</a>&amp;<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle6RWLockaSERK6RWLock" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle6RWLock4lockEv">
<span id="paddle::RWLock::lock"></span><span class="target" id="paddleclasspaddle_1_1RWLock_1a6aa591dd56341097550d2424830e151d"></span>void <code class="descname">lock</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle6RWLock4lockEv" title="Permalink to this definition"></a></dt>
<dd><p>lock on write mode. </p>
<p><dl class="docutils">
<dt><strong>Note</strong></dt>
<dd>the method will block the thread, if failed to get the lock. </dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle6RWLock11lock_sharedEv">
<span id="paddle::RWLock::lock_shared"></span><span class="target" id="paddleclasspaddle_1_1RWLock_1acd26f9a9bb834456b0a92c63c7193d07"></span>void <code class="descname">lock_shared</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle6RWLock11lock_sharedEv" title="Permalink to this definition"></a></dt>
<dd><p>lock on read mode. </p>
<p><dl class="docutils">
<dt><strong>Note</strong></dt>
<dd>if another thread is writing, it can&#8217;t get the lock, and will block the thread. </dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle6RWLock6unlockEv">
<span id="paddle::RWLock::unlock"></span><span class="target" id="paddleclasspaddle_1_1RWLock_1adf535853b7fa46c2ff31e9c65cdd2b19"></span>void <code class="descname">unlock</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle6RWLock6unlockEv" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Protected Attributes</p>
<dl class="member">
<dt id="_CPPv2N6paddle6RWLock7rwlock_E">
<span id="paddle::RWLock::rwlock___pthread_rwlock_t"></span><span class="target" id="paddleclasspaddle_1_1RWLock_1a6b9888cd201717a04c6f04e404bd5ff7"></span>pthread_rwlock_t <code class="descname">rwlock_</code><a class="headerlink" href="#_CPPv2N6paddle6RWLock7rwlock_E" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
</dd></dl>

</div>
<div class="section" id="class-readlockguard">
<h2>class ReadLockGuard<a class="headerlink" href="#class-readlockguard" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="_CPPv2N6paddle13ReadLockGuardE">
<span id="paddle::ReadLockGuard"></span><span class="target" id="paddleclasspaddle_1_1ReadLockGuard"></span><em class="property">class </em><code class="descclassname">paddle::</code><code class="descname">ReadLockGuard</code><a class="headerlink" href="#_CPPv2N6paddle13ReadLockGuardE" title="Permalink to this definition"></a></dt>
<dd><p>The <a class="reference internal" href="#paddleclasspaddle_1_1ReadLockGuard"><span>ReadLockGuard</span></a> is a read mode <a class="reference internal" href="#paddleclasspaddle_1_1RWLock"><span>RWLock</span></a> using RAII management mechanism. </p>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle13ReadLockGuard13ReadLockGuardER6RWLock">
<span id="paddle::ReadLockGuard::ReadLockGuard__RWLockR"></span><span class="target" id="paddleclasspaddle_1_1ReadLockGuard_1a32d5529beaef9b887b62b98c6e8b39d8"></span><code class="descname">ReadLockGuard</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv2N6paddle6RWLockE" title="paddle::RWLock">RWLock</a> &amp;<em>rwlock</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13ReadLockGuard13ReadLockGuardER6RWLock" title="Permalink to this definition"></a></dt>
<dd><p>Construct Function. Lock on rwlock in read mode. </p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13ReadLockGuardD0Ev">
<span id="paddle::ReadLockGuard::~ReadLockGuard"></span><span class="target" id="paddleclasspaddle_1_1ReadLockGuard_1a9e7dce579b27cf0af3406dfc0735af3a"></span><code class="descname">~ReadLockGuard</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13ReadLockGuardD0Ev" title="Permalink to this definition"></a></dt>
<dd><p>Destruct Function. </p>
<p><dl class="docutils">
<dt><strong>Note</strong></dt>
<dd>This method just unlock the read mode rwlock, won&#8217;t destroy the lock. </dd>
</dl>
</p>
</dd></dl>

</div>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Protected Attributes</p>
<dl class="member">
<dt id="_CPPv2N6paddle13ReadLockGuard7rwlock_E">
<span id="paddle::ReadLockGuard::rwlock___RWLockP"></span><span class="target" id="paddleclasspaddle_1_1ReadLockGuard_1aee09e7988bb849e33647945d255a4b9a"></span><a class="reference internal" href="#_CPPv2N6paddle6RWLockE" title="paddle::RWLock">RWLock</a> *<code class="descname">rwlock_</code><a class="headerlink" href="#_CPPv2N6paddle13ReadLockGuard7rwlock_E" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
</dd></dl>

</div>
<div class="section" id="class-spinlock">
<h2>class SpinLock<a class="headerlink" href="#class-spinlock" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="_CPPv2N6paddle8SpinLockE">
<span id="paddle::SpinLock"></span><span class="target" id="paddleclasspaddle_1_1SpinLock"></span><em class="property">class </em><code class="descclassname">paddle::</code><code class="descname">SpinLock</code><a class="headerlink" href="#_CPPv2N6paddle8SpinLockE" title="Permalink to this definition"></a></dt>
<dd><p>A simple wrapper for spin lock. The lock() method of <a class="reference internal" href="#paddleclasspaddle_1_1SpinLock"><span>SpinLock</span></a> is busy-waiting which means it will keep trying to lock until lock on successfully. The <a class="reference internal" href="#paddleclasspaddle_1_1SpinLock"><span>SpinLock</span></a> disable copy. </p>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle8SpinLock8SpinLockEv">
<span id="paddle::SpinLock::SpinLock"></span><span class="target" id="paddleclasspaddle_1_1SpinLock_1ae4b8664661115cae5d7a9f5c1e4cd4ed"></span><code class="descname">SpinLock</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle8SpinLock8SpinLockEv" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle8SpinLockD0Ev">
<span id="paddle::SpinLock::~SpinLock"></span><span class="target" id="paddleclasspaddle_1_1SpinLock_1a12800af3f93511270eceba996f2e1233"></span><code class="descname">~SpinLock</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle8SpinLockD0Ev" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle8SpinLock8SpinLockERK8SpinLock">
<span id="paddle::SpinLock::SpinLock__SpinLockCR"></span><span class="target" id="paddleclasspaddle_1_1SpinLock_1a055efdc5fa3c87bf9c5efa19ca91fceb"></span><code class="descname">SpinLock</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv2N6paddle8SpinLock8SpinLockEv" title="paddle::SpinLock::SpinLock">SpinLock</a>&amp;<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle8SpinLock8SpinLockERK8SpinLock" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle8SpinLockaSERK8SpinLock">
<span id="paddle::SpinLock::assign-operator__SpinLockCR"></span><span class="target" id="paddleclasspaddle_1_1SpinLock_1a65860c4525eafaf6c50f67bb7e6f1217"></span><a class="reference internal" href="#_CPPv2N6paddle8SpinLock8SpinLockEv" title="paddle::SpinLock::SpinLock">SpinLock</a> &amp;<code class="descname">operator=</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv2N6paddle8SpinLock8SpinLockEv" title="paddle::SpinLock::SpinLock">SpinLock</a>&amp;<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle8SpinLockaSERK8SpinLock" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle8SpinLock4lockEv">
<span id="paddle::SpinLock::lock"></span><span class="target" id="paddleclasspaddle_1_1SpinLock_1ae5b78520a7808c9eee28674fa2dc1196"></span>void <code class="descname">lock</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle8SpinLock4lockEv" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle8SpinLock6unlockEv">
<span id="paddle::SpinLock::unlock"></span><span class="target" id="paddleclasspaddle_1_1SpinLock_1a14f55be9684bed14427537571e7b6f7a"></span>void <code class="descname">unlock</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle8SpinLock6unlockEv" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Protected Attributes</p>
<dl class="member">
<dt id="_CPPv2N6paddle8SpinLock5lock_E">
<span id="paddle::SpinLock::lock___pthread_spinlock_t"></span><span class="target" id="paddleclasspaddle_1_1SpinLock_1a262929588dcc81d1740094988782f57e"></span>pthread_spinlock_t <code class="descname">lock_</code><a class="headerlink" href="#_CPPv2N6paddle8SpinLock5lock_E" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle8SpinLock8padding_E">
<span id="paddle::SpinLock::padding___cA"></span><span class="target" id="paddleclasspaddle_1_1SpinLock_1a8c0dd8c3d3959525ecb169db292382ec"></span>char <code class="descname">padding_</code>[64-sizeof(pthread_spinlock_t)]<a class="headerlink" href="#_CPPv2N6paddle8SpinLock8padding_E" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
</dd></dl>

</div>
<div class="section" id="class-semaphore">
<h2>class Semaphore<a class="headerlink" href="#class-semaphore" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="_CPPv2N6paddle9SemaphoreE">
<span id="paddle::Semaphore"></span><span class="target" id="paddleclasspaddle_1_1Semaphore"></span><em class="property">class </em><code class="descclassname">paddle::</code><code class="descname">Semaphore</code><a class="headerlink" href="#_CPPv2N6paddle9SemaphoreE" title="Permalink to this definition"></a></dt>
<dd><p>A simple wapper of semaphore which can only be shared in the same process. </p>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle9Semaphore9SemaphoreEi">
<span id="paddle::Semaphore::Semaphore__i"></span><span class="target" id="paddleclasspaddle_1_1Semaphore_1a4884c28f1f853a0467b70e7f33547670"></span><code class="descname">Semaphore</code><span class="sig-paren">(</span>int <em>initValue</em> = 0<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle9Semaphore9SemaphoreEi" title="Permalink to this definition"></a></dt>
<dd><p>Construct Function. </p>
<p><dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last">
<li><code class="first docutils literal"><span class="pre">initValue</span></code> - <p>the initial value of the semaphore, default 0. </p>
</li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle9SemaphoreD0Ev">
<span id="paddle::Semaphore::~Semaphore"></span><span class="target" id="paddleclasspaddle_1_1Semaphore_1a3cc7ae229c74573a3f1b8f1c4749bf1e"></span><code class="descname">~Semaphore</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle9SemaphoreD0Ev" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle9Semaphore8timeWaitEP8timespec">
<span id="paddle::Semaphore::timeWait__timespecP"></span><span class="target" id="paddleclasspaddle_1_1Semaphore_1ac2ac4a112be6a02c51e1429d98e626e5"></span>bool <code class="descname">timeWait</code><span class="sig-paren">(</span><em class="property">struct</em> timespec *<em>ts</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle9Semaphore8timeWaitEP8timespec" title="Permalink to this definition"></a></dt>
<dd><p>The same as <a class="reference internal" href="#paddleclasspaddle_1_1Semaphore_1a3d7d3699ad8f49ad8bbad260a174c28d"><span>wait()</span></a>, except if the decrement can not be performed until ts return false install of blocking. </p>
<p><dl class="docutils">
<dt><strong>Return</strong></dt>
<dd>ture if the decrement proceeds before ts, else return false. </dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last">
<li><code class="first docutils literal"><span class="pre">ts</span></code> - <p>an absolute timeout in seconds and nanoseconds since the Epoch 1970-01-01 00:00:00 +0000(UTC). </p>
</li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle9Semaphore4waitEv">
<span id="paddle::Semaphore::wait"></span><span class="target" id="paddleclasspaddle_1_1Semaphore_1a3d7d3699ad8f49ad8bbad260a174c28d"></span>void <code class="descname">wait</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle9Semaphore4waitEv" title="Permalink to this definition"></a></dt>
<dd><p>decrement the semaphore. If the semaphore&#8217;s value is 0, then call blocks. </p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle9Semaphore4postEv">
<span id="paddle::Semaphore::post"></span><span class="target" id="paddleclasspaddle_1_1Semaphore_1a17c46402c18a2f58529f22aac0769cc1"></span>void <code class="descname">post</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle9Semaphore4postEv" title="Permalink to this definition"></a></dt>
<dd><p>increment the semaphore. If the semaphore&#8217;s value greater than 0, wake up a thread blocked in <a class="reference internal" href="#paddleclasspaddle_1_1Semaphore_1a3d7d3699ad8f49ad8bbad260a174c28d"><span>wait()</span></a>. </p>
</dd></dl>

</div>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Protected Attributes</p>
<dl class="member">
<dt id="_CPPv2N6paddle9Semaphore4sem_E">
<span id="paddle::Semaphore::sem___sem_t"></span><span class="target" id="paddleclasspaddle_1_1Semaphore_1ab66cee48c4a02d13b4ef56cf2538ee42"></span>sem_t <code class="descname">sem_</code><a class="headerlink" href="#_CPPv2N6paddle9Semaphore4sem_E" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
</dd></dl>

</div>
<div class="section" id="class-threadbarrier">
<h2>class ThreadBarrier<a class="headerlink" href="#class-threadbarrier" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="_CPPv2N6paddle13ThreadBarrierE">
<span id="paddle::ThreadBarrier"></span><span class="target" id="paddleclasspaddle_1_1ThreadBarrier"></span><em class="property">class </em><code class="descclassname">paddle::</code><code class="descname">ThreadBarrier</code><a class="headerlink" href="#_CPPv2N6paddle13ThreadBarrierE" title="Permalink to this definition"></a></dt>
<dd><p>A simple wrapper of thread barrier. The <a class="reference internal" href="#paddleclasspaddle_1_1ThreadBarrier"><span>ThreadBarrier</span></a> disable copy. </p>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle13ThreadBarrier13ThreadBarrierEi">
<span id="paddle::ThreadBarrier::ThreadBarrier__i"></span><span class="target" id="paddleclasspaddle_1_1ThreadBarrier_1a2b4ee1af9857ce417455d6a343a1a117"></span><code class="descname">ThreadBarrier</code><span class="sig-paren">(</span>int <em>count</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13ThreadBarrier13ThreadBarrierEi" title="Permalink to this definition"></a></dt>
<dd><p>Construct Function. Initialize the barrier should wait for count threads in <a class="reference internal" href="#paddleclasspaddle_1_1ThreadBarrier_1af63f9491d2644a258350e12120fedf89"><span>wait()</span></a>. </p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13ThreadBarrierD0Ev">
<span id="paddle::ThreadBarrier::~ThreadBarrier"></span><span class="target" id="paddleclasspaddle_1_1ThreadBarrier_1a0922960555e03da24426cf8fdd0b15dd"></span><code class="descname">~ThreadBarrier</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13ThreadBarrierD0Ev" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13ThreadBarrier13ThreadBarrierERK13ThreadBarrier">
<span id="paddle::ThreadBarrier::ThreadBarrier__ThreadBarrierCR"></span><span class="target" id="paddleclasspaddle_1_1ThreadBarrier_1a42b7d18074508549f5e53156d8791fd8"></span><code class="descname">ThreadBarrier</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv2N6paddle13ThreadBarrier13ThreadBarrierEi" title="paddle::ThreadBarrier::ThreadBarrier">ThreadBarrier</a>&amp;<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13ThreadBarrier13ThreadBarrierERK13ThreadBarrier" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13ThreadBarrieraSERK13ThreadBarrier">
<span id="paddle::ThreadBarrier::assign-operator__ThreadBarrierCR"></span><span class="target" id="paddleclasspaddle_1_1ThreadBarrier_1a84b0ef2c24d0ee7770fa453d385f5bdf"></span><a class="reference internal" href="#_CPPv2N6paddle13ThreadBarrier13ThreadBarrierEi" title="paddle::ThreadBarrier::ThreadBarrier">ThreadBarrier</a> &amp;<code class="descname">operator=</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv2N6paddle13ThreadBarrier13ThreadBarrierEi" title="paddle::ThreadBarrier::ThreadBarrier">ThreadBarrier</a>&amp;<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13ThreadBarrieraSERK13ThreadBarrier" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13ThreadBarrier4waitEv">
<span id="paddle::ThreadBarrier::wait"></span><span class="target" id="paddleclasspaddle_1_1ThreadBarrier_1af63f9491d2644a258350e12120fedf89"></span>void <code class="descname">wait</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13ThreadBarrier4waitEv" title="Permalink to this definition"></a></dt>
<dd><p>If there were count - 1 threads waiting before, then wake up all the count - 1 threads and continue run together. Else block the thread until waked by other thread . </p>
</dd></dl>

</div>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Protected Attributes</p>
<dl class="member">
<dt id="_CPPv2N6paddle13ThreadBarrier8barrier_E">
<span id="paddle::ThreadBarrier::barrier___pthread_barrier_t"></span><span class="target" id="paddleclasspaddle_1_1ThreadBarrier_1ae29548e35c5a20906647e8dcc48f9f39"></span>pthread_barrier_t <code class="descname">barrier_</code><a class="headerlink" href="#_CPPv2N6paddle13ThreadBarrier8barrier_E" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
</dd></dl>

</div>
<div class="section" id="class-lockedcondition">
<h2>class LockedCondition<a class="headerlink" href="#class-lockedcondition" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="_CPPv2N6paddle15LockedConditionE">
<span id="paddle::LockedCondition"></span><span class="target" id="paddleclasspaddle_1_1LockedCondition"></span><em class="property">class </em><code class="descclassname">paddle::</code><code class="descname">LockedCondition</code><a class="headerlink" href="#_CPPv2N6paddle15LockedConditionE" title="Permalink to this definition"></a></dt>
<dd><p>A wrapper for condition variable with mutex. </p>
<p>Inherits from condition_variable</p>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt>
<em class="property">template </em>&lt;<em class="property">class</em> Op&gt;</dt>
<dt id="_CPPv2N6paddle15LockedCondition10notify_oneE2Op">
<span id="paddle::LockedCondition::notify_one__Op"></span><span class="target" id="paddleclasspaddle_1_1LockedCondition_1a54d725c12dbd1dcf9a37d6b41bf8d226"></span>void <code class="descname">notify_one</code><span class="sig-paren">(</span>Op <em>op</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle15LockedCondition10notify_oneE2Op" title="Permalink to this definition"></a></dt>
<dd><p>execute op and notify one thread which was blocked. </p>
<p><dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last">
<li><code class="first docutils literal"><span class="pre">op</span></code> - <p>a thread can do something in op before notify. </p>
</li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt>
<em class="property">template </em>&lt;<em class="property">class</em> Op&gt;</dt>
<dt id="_CPPv2N6paddle15LockedCondition10notify_allE2Op">
<span id="paddle::LockedCondition::notify_all__Op"></span><span class="target" id="paddleclasspaddle_1_1LockedCondition_1ad08bfa60f14da940a3a530c27a43e15c"></span>void <code class="descname">notify_all</code><span class="sig-paren">(</span>Op <em>op</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle15LockedCondition10notify_allE2Op" title="Permalink to this definition"></a></dt>
<dd><p>execute op and notify all the threads which were blocked. </p>
<p><dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last">
<li><code class="first docutils literal"><span class="pre">op</span></code> - <p>a thread can do something in op before notify. </p>
</li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt>
<em class="property">template </em>&lt;<em class="property">class</em> Predicate&gt;</dt>
<dt id="_CPPv2N6paddle15LockedCondition4waitE9Predicate">
<span id="paddle::LockedCondition::wait__Predicate"></span><span class="target" id="paddleclasspaddle_1_1LockedCondition_1aa866a488e0bddc26108f39af77dc9012"></span>void <code class="descname">wait</code><span class="sig-paren">(</span>Predicate <em>pred</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle15LockedCondition4waitE9Predicate" title="Permalink to this definition"></a></dt>
<dd><p>wait until pred return ture. </p>
<p><dl class="docutils">
<dt><strong>Note</strong></dt>
<dd>pred shall not apply any non-constant function through the dereferenced iterator. </dd>
<dt><strong>Template Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last">
<li><code class="first docutils literal"><span class="pre">Predicate</span></code> - <p>c++ concepts, describes a function object that takes a single iterator argument that is dereferenced and used to return a value testable as a bool. </p>
</li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle15LockedCondition5mutexEv">
<span id="paddle::LockedCondition::mutex"></span><span class="target" id="paddleclasspaddle_1_1LockedCondition_1a444e6686d4e02b9a539d33093063216f"></span>std::mutex *<code class="descname">mutex</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle15LockedCondition5mutexEv" title="Permalink to this definition"></a></dt>
<dd><p>get mutex. </p>
</dd></dl>

</div>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Protected Attributes</p>
<dl class="member">
<dt id="_CPPv2N6paddle15LockedCondition6mutex_E">
<span id="paddle::LockedCondition::mutex___std::mutex"></span><span class="target" id="paddleclasspaddle_1_1LockedCondition_1a7ec0d582f0c06e942c9f214e9c074f23"></span>std::mutex <code class="descname">mutex_</code><a class="headerlink" href="#_CPPv2N6paddle15LockedCondition6mutex_E" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
</dd></dl>

</div>
</div>


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<li><a class="reference internal" href="#">Lock</a><ul>
<li><a class="reference internal" href="#class-rwlock">class RWLock</a></li>
<li><a class="reference internal" href="#class-readlockguard">class ReadLockGuard</a></li>
<li><a class="reference internal" href="#class-spinlock">class SpinLock</a></li>
<li><a class="reference internal" href="#class-semaphore">class Semaphore</a></li>
<li><a class="reference internal" href="#class-threadbarrier">class ThreadBarrier</a></li>
<li><a class="reference internal" href="#class-lockedcondition">class LockedCondition</a></li>
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