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<a class="el" href="dir_000001.html">include</a> / <a class="el" href="dir_000002.html">log4cpp</a> / <a class="el" href="dir_000003.html">threading</a></div>
<h1>PThreads.hh</h1><a href="PThreads_8hh.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*</span>
00002 <span class="comment"> * PThreads.hh</span>
00003 <span class="comment"> *</span>
00004 <span class="comment"> * Copyright 2002, Emiliano Martin emilianomc@terra.es All rights reserved.</span>
00005 <span class="comment"> *</span>
00006 <span class="comment"> * See the COPYING file for the terms of usage and distribution.</span>
00007 <span class="comment"> */</span>
00008
00009 <span class="preprocessor">#ifndef _LOG4CPP_THREADING_PTHREADS_HH</span>
00010 <span class="preprocessor"></span><span class="preprocessor">#define _LOG4CPP_THREADING_PTHREADS_HH</span>
00011 <span class="preprocessor"></span>
00012 <span class="preprocessor">#include <<a class="code" href="Portability_8hh.html">log4cpp/Portability.hh</a>></span>
00013 <span class="preprocessor">#include <stdio.h></span>
00014 <span class="preprocessor">#include <pthread.h></span>
00015 <span class="preprocessor">#include <string></span>
00016 <span class="preprocessor">#include <assert.h></span>
00017
00018
00019 <span class="keyword">namespace </span>log4cpp {
00020 <span class="keyword">namespace </span>threading {
00021
00025 std::string <a class="code" href="namespacelog4cpp_1_1threading.html#a2">getThreadId</a>();
00026
<a name="l00029"></a><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">00029</a> <span class="keyword">class </span><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a> {
00030 <span class="keyword">private</span>:
00031 pthread_mutex_t mutex;
00032
00033 <span class="keyword">public</span>:
<a name="l00034"></a><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a0">00034</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a0">Mutex</a>() {
00035 ::pthread_mutex_init(&mutex, NULL);
00036 }
00037
<a name="l00038"></a><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a1">00038</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a1">lock</a>() {
00039 ::pthread_mutex_lock(&mutex);
00040 }
00041
<a name="l00042"></a><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a2">00042</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a2">unlock</a>() {
00043 ::pthread_mutex_unlock(&mutex);
00044 }
00045
<a name="l00046"></a><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a3">00046</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a3">~Mutex</a>() {
00047 ::pthread_mutex_destroy(&mutex);
00048 }
00049
00050 <span class="keyword">private</span>:
00051 <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a0">Mutex</a>(<span class="keyword">const</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a>& m);
00052 <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a>& operator=(<span class="keyword">const</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a> &m);
00053 };
00054
<a name="l00058"></a><a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html">00058</a> <span class="keyword">class </span><a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html">ScopedLock</a> {
00059 <span class="keyword">private</span>:
00060 <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a>& _mutex;
00061
00062 <span class="keyword">public</span>:
<a name="l00063"></a><a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html#a0">00063</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html#a0">ScopedLock</a>(<a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a>& mutex) :
00064 _mutex(mutex) {
00065 _mutex.<a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a1">lock</a>();
00066 }
00067
<a name="l00068"></a><a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html#a1">00068</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html#a1">~ScopedLock</a>() {
00069 _mutex.<a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#a2">unlock</a>();
00070 }
00071 };
00072
<a name="l00076"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html">00076</a> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">class </span><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html">ThreadLocalDataHolder</a> {
00077 <span class="keyword">private</span>:
00078 pthread_key_t _key;
00079
00080 <span class="keyword">public</span>:
<a name="l00081"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#w2">00081</a> <span class="keyword">typedef</span> T <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#w0">data_type</a>;
00082
<a name="l00083"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a26">00083</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html">ThreadLocalDataHolder</a>() {
00084 ::pthread_key_create(&_key, <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#e0">freeHolder</a>);
00085 }
00086
<a name="l00087"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#e0">00087</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#e0">freeHolder</a>(<span class="keywordtype">void</span> *p) {
00088 assert(p != NULL);
00089 <span class="keyword">delete</span> reinterpret_cast<T *>(p);
00090 }
00091
<a name="l00092"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a27">00092</a> <span class="keyword">inline</span> ~<a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html">ThreadLocalDataHolder</a>() {
00093 T *data = <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a0">get</a>();
00094 <span class="keywordflow">if</span> (data != NULL) {
00095 <span class="keyword">delete</span> data;
00096 }
00097 ::pthread_key_delete(_key);
00098 }
00099
<a name="l00100"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a28">00100</a> <span class="keyword">inline</span> T* <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a0">get</a>()<span class="keyword"> const </span>{
00101 <span class="keywordflow">return</span> reinterpret_cast<T *>(::pthread_getspecific(_key));
00102 }
00103
<a name="l00104"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a29">00104</a> <span class="keyword">inline</span> T* <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a1">operator-></a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a0">get</a>(); }
<a name="l00105"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a30">00105</a> <span class="keyword">inline</span> T& operator*()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *<a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a0">get</a>(); }
00106
<a name="l00107"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a31">00107</a> <span class="keyword">inline</span> T* <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a3">release</a>() {
00108 T* result = <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a0">get</a>();
00109 ::pthread_setspecific(_key, NULL);
00110
00111 <span class="keywordflow">return</span> result;
00112 }
00113
<a name="l00114"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a32">00114</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a4">reset</a>(T* p = NULL) {
00115 T *data = <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a0">get</a>();
00116 <span class="keywordflow">if</span> (data != NULL) {
00117 <span class="keyword">delete</span> data;
00118 }
00119 ::pthread_setspecific(_key, p);
00120 }
00121 };
00122
00123 }
00124 }
00125 <span class="preprocessor">#endif</span>
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