immediately returns true. If it has to wait, returns false. Throws: <code class="computeroutput"><a class="link" href="interprocess_exception.html" title="Class interprocess_exception">interprocess_exception</a></code> on error. </p>
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<pre class="literallayout"><span class="keyword">bool</span> <a name="idp57174784-bb"></a><span class="identifier">timed_lock_sharable</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">boost</span><span c