<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>RAUL: Command.hpp Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.1 --> <div class="navigation" id="top"> <div class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div class="header"> <div class="headertitle"> <h1>Command.hpp</h1> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* This file is part of Raul.</span> <a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2007-2009 David Robillard <http://drobilla.net></span> <a name="l00003"></a>00003 <span class="comment"> *</span> <a name="l00004"></a>00004 <span class="comment"> * Raul is free software; you can redistribute it and/or modify it under the</span> <a name="l00005"></a>00005 <span class="comment"> * terms of the GNU General Public License as published by the Free Software</span> <a name="l00006"></a>00006 <span class="comment"> * Foundation; either version 2 of the License, or (at your option) any later</span> <a name="l00007"></a>00007 <span class="comment"> * version.</span> <a name="l00008"></a>00008 <span class="comment"> *</span> <a name="l00009"></a>00009 <span class="comment"> * Raul is distributed in the hope that it will be useful, but WITHOUT ANY</span> <a name="l00010"></a>00010 <span class="comment"> * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</span> <a name="l00011"></a>00011 <span class="comment"> * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.</span> <a name="l00012"></a>00012 <span class="comment"> *</span> <a name="l00013"></a>00013 <span class="comment"> * You should have received a copy of the GNU General Public License along</span> <a name="l00014"></a>00014 <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span> <a name="l00015"></a>00015 <span class="comment"> * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA</span> <a name="l00016"></a>00016 <span class="comment"> */</span> <a name="l00017"></a>00017 <a name="l00018"></a>00018 <span class="preprocessor">#ifndef RAUL_COMMAND_HPP</span> <a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define RAUL_COMMAND_HPP</span> <a name="l00020"></a>00020 <span class="preprocessor"></span> <a name="l00021"></a>00021 <span class="preprocessor">#include <boost/utility.hpp></span> <a name="l00022"></a>00022 <span class="preprocessor">#include "raul/Semaphore.hpp"</span> <a name="l00023"></a>00023 <a name="l00024"></a>00024 <span class="keyword">namespace </span>Raul { <a name="l00025"></a>00025 <a name="l00026"></a>00026 <a name="l00037"></a><a class="code" href="classRaul_1_1Command.html">00037</a> <span class="keyword">class </span><a class="code" href="classRaul_1_1Command.html" title="A blocking command to be executed in the audio thread.">Command</a> : boost::noncopyable { <a name="l00038"></a>00038 <span class="keyword">public</span>: <a name="l00039"></a>00039 <span class="keyword">inline</span> <a class="code" href="classRaul_1_1Command.html" title="A blocking command to be executed in the audio thread.">Command</a>() : _sem(0) {} <a name="l00040"></a>00040 <a name="l00042"></a><a class="code" href="classRaul_1_1Command.html#a3f2daf2be3086e05376440398c2533e0">00042</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRaul_1_1Command.html#a3f2daf2be3086e05376440398c2533e0" title="Caller context.">operator()</a>() { _sem.<a class="code" href="classRaul_1_1Semaphore.html#a0d17dc95c051e542791c226b648ce8bf" title="Wait until count is &gt; 0, then decrement.">wait</a>(); } <a name="l00043"></a>00043 <a name="l00045"></a><a class="code" href="classRaul_1_1Command.html#a4da950c57e617cc517153a406de2e6d7">00045</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRaul_1_1Command.html#a4da950c57e617cc517153a406de2e6d7" title="Execution context.">pending</a>() { <span class="keywordflow">return</span> _sem.has_waiter(); } <a name="l00046"></a>00046 <span class="keyword">inline</span> <span class="keywordtype">void</span> finish() { _sem.<a class="code" href="classRaul_1_1Semaphore.html#a5ae17e57432268156acaa23561eafe27" title="Increment (and signal any waiters).">post</a>(); } <a name="l00047"></a>00047 <a name="l00048"></a>00048 <span class="keyword">private</span>: <a name="l00049"></a>00049 Semaphore _sem; <a name="l00050"></a>00050 }; <a name="l00051"></a>00051 <a name="l00052"></a>00052 <a name="l00053"></a>00053 } <span class="comment">// namespace Raul</span> <a name="l00054"></a>00054 <a name="l00055"></a>00055 <span class="preprocessor">#endif // RAUL_COMMAND_HPP</span> </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated on Wed Oct 6 2010 for RAUL by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address> </body> </html>