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?>
<div id="syncmutex.construct" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SyncMutex::__construct</h1>
  <p class="verinfo">(PECL sync &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">SyncMutex::__construct</span> &mdash; <span class="dc-title">Constrói um novo objeto SyncMutex</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-syncmutex.construct-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>SyncMutex::__construct</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$name</code><span class="initializer"> = ?</span></span>)</div>

  <p class="simpara">
   Constrói um mutex contável nomeado ou sem nome.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-syncmutex.construct-parameters">
  <h3 class="title">Parâmetros</h3>
  <dl>
   
    <dt><code class="parameter">name</code></dt>
    <dd>
     <span class="simpara">
      O nome do mutex se este for um objeto mutex nomeado.
     </span>
     <blockquote class="note"><p><strong class="note">Nota</strong>: 
      <span class="simpara">
       Se o nome já existir, deve ser possível abri-lo pelo usuário atual
       que o processo está executando, caso contrário, uma exceção será lançada com uma
       mensagem de erro sem sentido.
      </span>
     </p></blockquote>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-syncmutex.construct-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="simpara">
   O novo objeto <span class="classname"><a href="class.syncmutex.php" class="classname">SyncMutex</a></span>.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-syncmutex.construct-errors">
  <h3 class="title">Erros/Exceções</h3>
  <p class="simpara">
   Uma exceção é lançada se o mutex não puder ser criado ou aberto.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-syncmutex.construct-examples">
  <h3 class="title">Exemplos</h3>
  <div class="example" id="example-1">
   <p><strong>Exemplo #1 Exemplo de <span class="function"><strong>SyncMutex::__construct()</strong></span> de mutex nomeado com tempo limite de bloqueio</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$mutex </span><span style="color: #007700">= new </span><span style="color: #0000BB">SyncMutex</span><span style="color: #007700">(</span><span style="color: #DD0000">"UniqueName"</span><span style="color: #007700">);<br /><br />if (!</span><span style="color: #0000BB">$mutex</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">lock</span><span style="color: #007700">(</span><span style="color: #0000BB">3000</span><span style="color: #007700">))<br />{<br />    echo </span><span style="color: #DD0000">"Não foi possível bloquear o mutex."</span><span style="color: #007700">;<br /><br />    exit();<br />}<br /><br /></span><span style="color: #FF8000">/* ... */<br /><br /></span><span style="color: #0000BB">$mutex</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">unlock</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>
  <div class="example" id="example-2">
   <p><strong>Exemplo #2 Exemplo de <span class="function"><strong>SyncMutex::__construct()</strong></span> de mutex sem nome</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$mutex </span><span style="color: #007700">= new </span><span style="color: #0000BB">SyncMutex</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$mutex</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">lock</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">/* ... */<br /><br /></span><span style="color: #0000BB">$mutex</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">unlock</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-syncmutex.construct-seealso">
  <h3 class="title">Veja Também</h3>
  <ul class="simplelist">
   <li><span class="methodname"><a href="syncmutex.lock.php" class="methodname" rel="rdfs-seeAlso">SyncMutex::lock()</a> - Aguarda um bloqueio exclusivo</span></li>
   <li><span class="methodname"><a href="syncmutex.unlock.php" class="methodname" rel="rdfs-seeAlso">SyncMutex::unlock()</a> - Destrava o mutex</span></li>
  </ul>
 </div>


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