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<h1>JackWinMutex.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (C) 2004-2008 Grame</span>
<a name="l00003"></a>00003 <span class="comment"> </span>
<a name="l00004"></a>00004 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00005"></a>00005 <span class="comment"> it under the terms of the GNU Lesser General Public License as published by</span>
<a name="l00006"></a>00006 <span class="comment"> the Free Software Foundation; either version 2.1 of the License, or</span>
<a name="l00007"></a>00007 <span class="comment"> (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"> </span>
<a name="l00009"></a>00009 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00012"></a>00012 <span class="comment"> GNU Lesser General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"> </span>
<a name="l00014"></a>00014 <span class="comment"> You should have received a copy of the GNU Lesser General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> along with this program; if not, write to the Free Software</span>
<a name="l00016"></a>00016 <span class="comment"> Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</span>
<a name="l00017"></a>00017 <span class="comment"> </span>
<a name="l00018"></a>00018 <span class="comment"> */</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef __JackWinMutex__</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define __JackWinMutex__</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <windows.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">namespace </span>Jack
<a name="l00027"></a>00027 {
<a name="l00031"></a><a class="code" href="classJack_1_1JackWinMutex.html">00031</a> <span class="keyword">class </span><a class="code" href="classJack_1_1JackWinMutex.html" title="Mutex abstraction.">JackWinMutex</a>
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keyword">protected</span>:
<a name="l00035"></a>00035
<a name="l00036"></a>00036 HANDLE fMutex;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keyword">public</span>:
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <a class="code" href="classJack_1_1JackWinMutex.html" title="Mutex abstraction.">JackWinMutex</a>()
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 <span class="comment">// In recursive mode by default</span>
<a name="l00043"></a>00043 fMutex = (HANDLE)CreateMutex(0, FALSE, 0);
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keyword">virtual</span> ~<a class="code" href="classJack_1_1JackWinMutex.html" title="Mutex abstraction.">JackWinMutex</a>()
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 CloseHandle(fMutex);
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordtype">bool</span> Lock()
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <span class="keywordflow">return</span> (WAIT_OBJECT_0 == WaitForSingleObject(fMutex, INFINITE));
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordtype">bool</span> Trylock()
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 <span class="keywordflow">return</span> (WAIT_OBJECT_0 == WaitForSingleObject(fMutex, 0));
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="keywordtype">bool</span> Unlock()
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 <span class="keywordflow">return</span>(ReleaseMutex(fMutex) != 0);
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 };
<a name="l00067"></a>00067
<a name="l00068"></a>00068 } <span class="comment">// namespace</span>
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="preprocessor">#endif</span>
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