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| <h2><span class="refentrytitle">Class dummy_mutex</span></h2> |
| <p>boost::signals2::dummy_mutex — Fake mutex which does nothing.</p> |
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| <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> |
| <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../signals2/reference.html#header.boost.signals2.dummy_mutex_hpp" title="Header <boost/signals2/dummy_mutex.hpp>">boost/signals2/dummy_mutex.hpp</a>> |
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| <span class="keyword">class</span> <a class="link" href="dummy_mutex.html" title="Class dummy_mutex">dummy_mutex</a> <span class="special">:</span> <span class="keyword">public</span> noncopyable <span class="special">{</span> |
| <span class="keyword">public</span><span class="special">:</span> |
| <span class="keyword">void</span> <a class="link" href="dummy_mutex.html#id657878-bb"><span class="identifier">lock</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">bool</span> <a class="link" href="dummy_mutex.html#id630029-bb"><span class="identifier">try_lock</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">void</span> <a class="link" href="dummy_mutex.html#id669929-bb"><span class="identifier">unlock</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <span class="special">}</span><span class="special">;</span></pre></div> |
| <div class="refsect1"> |
| <a name="id2547101"></a><h2>Description</h2> |
| <p>You may wish to use the <code class="computeroutput">dummy_mutex</code> class for the <code class="computeroutput">Mutex</code> |
| template type of your signals if you are not concerned about thread safety. |
| This may give slightly faster |
| performance, since <code class="computeroutput">dummy_mutex</code> performs no actual locking. |
| </p> |
| <pre class="literallayout"><span class="keyword">void</span> <a name="id657878-bb"></a><span class="identifier">lock</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> |
| <p>No effect. |
| </p> |
| <pre class="literallayout"><span class="keyword">bool</span> <a name="id630029-bb"></a><span class="identifier">try_lock</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> |
| <p>No effect. |
| </p> |
| <div class="variablelist"><table border="0"> |
| <col align="left" valign="top"> |
| <tbody><tr> |
| <td><p><span class="term">Returns:</span></p></td> |
| <td><p><code class="computeroutput">true</code>.</p></td> |
| </tr></tbody> |
| </table></div> |
| <pre class="literallayout"><span class="keyword">void</span> <a name="id669929-bb"></a><span class="identifier">unlock</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> |
| <p>No effect. |
| </p> |
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| <td align="right"><div class="copyright-footer">Copyright © 2001-2004 Douglas Gregor<br>Copyright © 2007-2009 Frank Mori Hess<p>Distributed under the Boost |
| Software License, Version 1.0. (See accompanying file |
| <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</p> |
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