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          <th colspan="3" align="center">DbEnv::mutex_get_increment()</th>
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            <h2 class="title" style="clear: both"><a id="mutexget_increment"></a>DbEnv::mutex_get_increment()</h2>
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      <pre class="programlisting">#include &lt;db_cxx.h&gt;

int
DbEnv::mutex_get_increment(u_int32_t *incrementp);</pre>
      <p>
         The <code class="methodname">DbEnv::mutex_get_increment()</code> method returns the number of
         additional mutexes to allocate.
    </p>
      <p>
         The <code class="methodname">DbEnv::mutex_get_increment()</code> method may be called at any time
         during the life of the application.
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      <p>
         The <code class="methodname">DbEnv::mutex_get_increment()</code> <span>
            
            <span>
                method either returns a non-zero error value or throws an
                exception that encapsulates a non-zero error value on
                failure, and returns 0 on success.
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                <h4 class="title"><a id="idp9159040"></a>incrementp</h4>
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          <p>
                          The <code class="methodname">DbEnv::mutex_get_increment()</code> method returns  the number of
                          additional mutexes to allocate in <span class="bold"><strong>incrementp</strong></span>.
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