ception</a></code> on error. </p>
</li>
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<pre class="literallayout"><span class="keyword">bool</span> <a name="idp57173424-bb"></a><span class="identifier">try_lock_sharable</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p>Effects: The calling thread tries to acquire sharable ownership of the mutex without waiting. If no other thread has exclusive ownership of the mutex this succeeds. Returns: If it can acquire sharable ownership 