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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>Crypto++: trdlocal.cpp Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.2 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul></div><h1>trdlocal.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// trdlocal.cpp - written and placed in the public domain by Wei Dai</span><a name="l00002"></a>00002 <a name="l00003"></a>00003 <span class="preprocessor">#include "pch.h"</span><a name="l00004"></a>00004 <a name="l00005"></a>00005 <span class="preprocessor">#ifndef CRYPTOPP_IMPORTS</span><a name="l00006"></a>00006 <span class="preprocessor"></span><span class="preprocessor">#ifdef THREADS_AVAILABLE</span><a name="l00007"></a>00007 <span class="preprocessor"></span><a name="l00008"></a>00008 <span class="preprocessor">#include "trdlocal.h"</span><a name="l00009"></a>00009 <a name="l00010"></a>00010 <span class="preprocessor">#ifdef HAS_WINTHREADS</span><a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#include <windows.h></span><a name="l00012"></a>00012 <span class="preprocessor">#endif</span><a name="l00013"></a>00013 <span class="preprocessor"></span><a name="l00014"></a>00014 NAMESPACE_BEGIN(CryptoPP)<a name="l00015"></a>00015 <a name="l00016"></a><a class="code" href="class_thread_local_storage_1_1_err.html#130d92e4106b38f703dd411fa147ab96">00016</a> <a class="code" href="class_thread_local_storage.html" title="thread local storage">ThreadLocalStorage</a>::<a class="code" href="class_thread_local_storage_1_1_err.html" title="exception thrown by ThreadLocalStorage class">Err</a>::<a class="code" href="class_thread_local_storage_1_1_err.html" title="exception thrown by ThreadLocalStorage class">Err</a>(const std::<span class="keywordtype">string</span>& operation, <span class="keywordtype">int</span> error)<a name="l00017"></a>00017 : <a class="code" href="class_o_s___error.html" title="error reported by the operating system">OS_Error</a>(OTHER_ERROR, "<a class="code" href="class_thread_local_storage.html" title="thread local storage">ThreadLocalStorage</a>: " + operation + " operation failed with error 0x" + IntToString(error, 16), operation, error)<a name="l00018"></a>00018 {<a name="l00019"></a>00019 }<a name="l00020"></a>00020 <a name="l00021"></a><a class="code" href="class_thread_local_storage.html#74c6968e7efc4ffdb908bd2638df780a">00021</a> <a class="code" href="class_thread_local_storage.html#74c6968e7efc4ffdb908bd2638df780a">ThreadLocalStorage::ThreadLocalStorage</a>()<a name="l00022"></a>00022 {<a name="l00023"></a>00023 <span class="preprocessor">#ifdef HAS_WINTHREADS</span><a name="l00024"></a>00024 <span class="preprocessor"></span> m_index = TlsAlloc();<a name="l00025"></a>00025 <span class="keywordflow">if</span> (m_index == TLS_OUT_OF_INDEXES)<a name="l00026"></a>00026 <span class="keywordflow">throw</span> <a class="code" href="class_thread_local_storage_1_1_err.html" title="exception thrown by ThreadLocalStorage class">Err</a>(<span class="stringliteral">"TlsAlloc"</span>, GetLastError());<a name="l00027"></a>00027 <span class="preprocessor">#else</span><a name="l00028"></a>00028 <span class="preprocessor"></span> <span class="keywordtype">int</span> error = pthread_key_create(&m_index, NULL);<a name="l00029"></a>00029 <span class="keywordflow">if</span> (error)<a name="l00030"></a>00030 <span class="keywordflow">throw</span> <a class="code" href="class_thread_local_storage_1_1_err.html" title="exception thrown by ThreadLocalStorage class">Err</a>(<span class="stringliteral">"pthread_key_create"</span>, error);<a name="l00031"></a>00031 <span class="preprocessor">#endif</span><a name="l00032"></a>00032 <span class="preprocessor"></span>}<a name="l00033"></a>00033 <a name="l00034"></a><a class="code" href="class_thread_local_storage.html#4b9f62d36ff70ec145aafdb525cc976b">00034</a> <a class="code" href="class_thread_local_storage.html#4b9f62d36ff70ec145aafdb525cc976b">ThreadLocalStorage::~ThreadLocalStorage</a>()<a name="l00035"></a>00035 {<a name="l00036"></a>00036 <span class="preprocessor">#ifdef HAS_WINTHREADS</span><a name="l00037"></a>00037 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!TlsFree(m_index))<a name="l00038"></a>00038 <span class="keywordflow">throw</span> <a class="code" href="class_thread_local_storage_1_1_err.html" title="exception thrown by ThreadLocalStorage class">Err</a>(<span class="stringliteral">"TlsFree"</span>, GetLastError());<a name="l00039"></a>00039 <span class="preprocessor">#else</span><a name="l00040"></a>00040 <span class="preprocessor"></span> <span class="keywordtype">int</span> error = pthread_key_delete(m_index);<a name="l00041"></a>00041 <span class="keywordflow">if</span> (error)<a name="l00042"></a>00042 <span class="keywordflow">throw</span> <a class="code" href="class_thread_local_storage_1_1_err.html" title="exception thrown by ThreadLocalStorage class">Err</a>(<span class="stringliteral">"pthread_key_delete"</span>, error);<a name="l00043"></a>00043 <span class="preprocessor">#endif</span><a name="l00044"></a>00044 <span class="preprocessor"></span>}<a name="l00045"></a>00045 <a name="l00046"></a><a class="code" href="class_thread_local_storage.html#867d26f24071b1f5d58111338c01e5c5">00046</a> <span class="keywordtype">void</span> <a class="code" href="class_thread_local_storage.html#867d26f24071b1f5d58111338c01e5c5">ThreadLocalStorage::SetValue</a>(<span class="keywordtype">void</span> *value)<a name="l00047"></a>00047 {<a name="l00048"></a>00048 <span class="preprocessor">#ifdef HAS_WINTHREADS</span><a name="l00049"></a>00049 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!TlsSetValue(m_index, value))<a name="l00050"></a>00050 <span class="keywordflow">throw</span> <a class="code" href="class_thread_local_storage_1_1_err.html" title="exception thrown by ThreadLocalStorage class">Err</a>(<span class="stringliteral">"TlsSetValue"</span>, GetLastError());<a name="l00051"></a>00051 <span class="preprocessor">#else</span><a name="l00052"></a>00052 <span class="preprocessor"></span> <span class="keywordtype">int</span> error = pthread_setspecific(m_index, value);<a name="l00053"></a>00053 <span class="keywordflow">if</span> (error)<a name="l00054"></a>00054 <span class="keywordflow">throw</span> <a class="code" href="class_thread_local_storage_1_1_err.html" title="exception thrown by ThreadLocalStorage class">Err</a>(<span class="stringliteral">"pthread_key_getspecific"</span>, error);<a name="l00055"></a>00055 <span class="preprocessor">#endif</span><a name="l00056"></a>00056 <span class="preprocessor"></span>}<a name="l00057"></a>00057 <a name="l00058"></a><a class="code" href="class_thread_local_storage.html#a2db62a4388461d857f94c281fd39029">00058</a> <span class="keywordtype">void</span> *<a class="code" href="class_thread_local_storage.html#a2db62a4388461d857f94c281fd39029">ThreadLocalStorage::GetValue</a>()<span class="keyword"> const</span><a name="l00059"></a>00059 <span class="keyword"></span>{<a name="l00060"></a>00060 <span class="preprocessor">#ifdef HAS_WINTHREADS</span><a name="l00061"></a>00061 <span class="preprocessor"></span> <span class="keywordtype">void</span> *result = TlsGetValue(m_index);<a name="l00062"></a>00062 <span class="keywordflow">if</span> (!result && GetLastError() != NO_ERROR)<a name="l00063"></a>00063 <span class="keywordflow">throw</span> <a class="code" href="class_thread_local_storage_1_1_err.html" title="exception thrown by ThreadLocalStorage class">Err</a>(<span class="stringliteral">"TlsGetValue"</span>, GetLastError());<a name="l00064"></a>00064 <span class="preprocessor">#else</span><a name="l00065"></a>00065 <span class="preprocessor"></span> <span class="keywordtype">void</span> *result = pthread_getspecific(m_index);<a name="l00066"></a>00066 <span class="preprocessor">#endif</span><a name="l00067"></a>00067 <span class="preprocessor"></span> <span class="keywordflow">return</span> result;<a name="l00068"></a>00068 }<a name="l00069"></a>00069 <a name="l00070"></a>00070 NAMESPACE_END<a name="l00071"></a>00071 <a name="l00072"></a>00072 <span class="preprocessor">#endif // #ifdef THREADS_AVAILABLE</span><a name="l00073"></a>00073 <span class="preprocessor"></span><span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:25 2007 for Crypto++ by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address></body></html>⌨️ 快捷键说明
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