eyword">void</span> <a name="idp57172176-bb"></a><span class="identifier">lock_sharable</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p>Effects: The calling thread tries to obtain sharable ownership of the mutex, and if another thread has exclusive ownership of the mutex, waits until it can obtain the ownership. Throws: <code class="computeroutput"><a class="link" href="interprocess_exception.html" title="Class interprocess_exception">interprocess_ex