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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<h1>beemutex.h</h1><a href="beemutex_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
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<a name="l00016"></a>00016
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<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="comment">/***********************************************************************</span>
<a name="l00020"></a>00020 <span class="comment"> Copyright (c) 2004 Beeyond Software Holding BV and (c) 2007-2008</span>
<a name="l00021"></a>00021 <span class="comment"> by Educational Technology Resources, Inc. Others may also hold</span>
<a name="l00022"></a>00022 <span class="comment"> copyrights on code in this file. See the CREDITS file in the top</span>
<a name="l00023"></a>00023 <span class="comment"> directory of the distribution for details.</span>
<a name="l00024"></a>00024 <span class="comment"></span>
<a name="l00025"></a>00025 <span class="comment"> This file is part of MySQL++.</span>
<a name="l00026"></a>00026 <span class="comment"></span>
<a name="l00027"></a>00027 <span class="comment"> MySQL++ is free software; you can redistribute it and/or modify it</span>
<a name="l00028"></a>00028 <span class="comment"> under the terms of the GNU Lesser General Public License as published</span>
<a name="l00029"></a>00029 <span class="comment"> by the Free Software Foundation; either version 2.1 of the License, or</span>
<a name="l00030"></a>00030 <span class="comment"> (at your option) any later version.</span>
<a name="l00031"></a>00031 <span class="comment"></span>
<a name="l00032"></a>00032 <span class="comment"> MySQL++ is distributed in the hope that it will be useful, but WITHOUT</span>
<a name="l00033"></a>00033 <span class="comment"> ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
<a name="l00034"></a>00034 <span class="comment"> FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public</span>
<a name="l00035"></a>00035 <span class="comment"> License for more details.</span>
<a name="l00036"></a>00036 <span class="comment"></span>
<a name="l00037"></a>00037 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
<a name="l00038"></a>00038 <span class="comment"> License along with MySQL++; if not, write to the Free Software</span>
<a name="l00039"></a>00039 <span class="comment"> Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301</span>
<a name="l00040"></a>00040 <span class="comment"> USA</span>
<a name="l00041"></a>00041 <span class="comment">***********************************************************************/</span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="preprocessor">#if !defined(MYSQLPP_BEEMUTEX_H)</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#define MYSQLPP_BEEMUTEX_H</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00046"></a>00046 <span class="preprocessor">#include "<a class="code" href="exceptions_8h.html">exceptions.h</a>"</span>
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">namespace </span>mysqlpp {
<a name="l00049"></a>00049
<a name="l00057"></a><a class="code" href="classmysqlpp_1_1BeecryptMutex.html">00057</a> <span class="keyword">class </span>MYSQLPP_EXPORT BeecryptMutex
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <span class="keyword">public</span>:
<a name="l00064"></a>00064 BeecryptMutex() <span class="keywordflow">throw</span> (<a class="code" href="classmysqlpp_1_1MutexFailed.html">MutexFailed</a>);
<a name="l00065"></a>00065
<a name="l00069"></a>00069 ~BeecryptMutex();
<a name="l00070"></a>00070
<a name="l00073"></a>00073 <span class="keywordtype">void</span> lock() <span class="keywordflow">throw</span> (<a class="code" href="classmysqlpp_1_1MutexFailed.html">MutexFailed</a>);
<a name="l00074"></a>00074
<a name="l00077"></a>00077 <span class="keywordtype">bool</span> trylock() <span class="keywordflow">throw</span> (<a class="code" href="classmysqlpp_1_1MutexFailed.html">MutexFailed</a>);
<a name="l00078"></a>00078
<a name="l00080"></a>00080 <span class="keywordtype">void</span> unlock() <span class="keywordflow">throw</span> (<a class="code" href="classmysqlpp_1_1MutexFailed.html">MutexFailed</a>);
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keyword">private</span>:
<a name="l00083"></a>00083 <span class="keywordtype">void</span>* pmutex_;
<a name="l00084"></a>00084 };
<a name="l00085"></a>00085
<a name="l00086"></a>00086
<a name="l00094"></a>00094
<a name="l00095"></a><a class="code" href="classmysqlpp_1_1ScopedLock.html">00095</a> <span class="keyword">class </span><a class="code" href="classmysqlpp_1_1ScopedLock.html">ScopedLock</a>
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <span class="keyword">public</span>:
<a name="l00099"></a><a class="code" href="classmysqlpp_1_1ScopedLock.html#0684decf81a6915e06297ff0fec218e9">00099</a> <span class="keyword">explicit</span> <a class="code" href="classmysqlpp_1_1ScopedLock.html#0684decf81a6915e06297ff0fec218e9">ScopedLock</a>(BeecryptMutex& mutex) :
<a name="l00100"></a>00100 mutex_(mutex)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 mutex.<a class="code" href="classmysqlpp_1_1BeecryptMutex.html#2b0c1d8a4fee0a0fbf43218d5652cf70">lock</a>();
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00106"></a><a class="code" href="classmysqlpp_1_1ScopedLock.html#1f03bd9ff85a61bef0255c6f313f3099">00106</a> <a class="code" href="classmysqlpp_1_1ScopedLock.html#1f03bd9ff85a61bef0255c6f313f3099">~ScopedLock</a>() { mutex_.<a class="code" href="classmysqlpp_1_1BeecryptMutex.html#0796cf13bbd8a52c222ff18dad80a48e">unlock</a>(); }
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keyword">private</span>:
<a name="l00109"></a>00109 <a class="code" href="classmysqlpp_1_1ScopedLock.html#0684decf81a6915e06297ff0fec218e9">ScopedLock</a>(<span class="keyword">const</span> <a class="code" href="classmysqlpp_1_1ScopedLock.html">ScopedLock</a>&); <span class="comment">// can't copy</span>
<a name="l00110"></a>00110 <a class="code" href="classmysqlpp_1_1ScopedLock.html">ScopedLock</a>& operator =(<span class="keyword">const</span> <a class="code" href="classmysqlpp_1_1ScopedLock.html">ScopedLock</a>&); <span class="comment">// can't assign</span>
<a name="l00111"></a>00111
<a name="l00112"></a>00112 BeecryptMutex& mutex_;
<a name="l00113"></a>00113 };
<a name="l00114"></a>00114
<a name="l00115"></a>00115 } <span class="comment">// end namespace mysqlpp</span>
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="preprocessor">#endif // !defined(MYSQLPP_BEEMUTEX_H)</span>
<a name="l00118"></a>00118 <span class="preprocessor"></span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Feb 29 16:26:00 2008 for MySQL++ by
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