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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Crypto++: trdlocal.cpp Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3.2 --><div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Compound List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Compound Members</a> | <a class="qindex" href="globals.html">File Members</a></div><h1>trdlocal.cpp</h1><div class="fragment"><pre>00001 <span class="comment">// trdlocal.cpp - written and placed in the public domain by Wei Dai</span>00002 00003 <span class="preprocessor">#include "pch.h"</span>00004 00005 <span class="preprocessor">#ifndef CRYPTOPP_IMPORTS</span>00006 <span class="preprocessor"></span>00007 <span class="preprocessor">#include "trdlocal.h"</span>00008 <span class="preprocessor">#include <windows.h></span>00009 00010 <span class="preprocessor">#ifdef THREADS_AVAILABLE</span>00011 <span class="preprocessor"></span>00012 NAMESPACE_BEGIN(CryptoPP)00013 00014 ThreadLocalStorage::Err::Err(<span class="keyword">const</span> std::string& operation, <span class="keywordtype">int</span> error)00015 : <a class="code" href="class_o_s___error.html">OS_Error</a>(OTHER_ERROR, "<a class="code" href="class_thread_local_storage.html">ThreadLocalStorage</a>: " + operation + " operation failed with error 0x" + IntToString(error, 16), operation, error)00016 {00017 }00018 00019 ThreadLocalStorage::ThreadLocalStorage()00020 {00021 <span class="preprocessor">#ifdef HAS_WINTHREADS</span>00022 <span class="preprocessor"></span> m_index = TlsAlloc();00023 <span class="keywordflow">if</span> (m_index == TLS_OUT_OF_INDEXES)00024 <span class="keywordflow">throw</span> Err(<span class="stringliteral">"TlsAlloc"</span>, GetLastError());00025 <span class="preprocessor">#else</span>00026 <span class="preprocessor"></span> <span class="keywordtype">int</span> error = pthread_key_create(&m_index, NULL);00027 <span class="keywordflow">if</span> (error)00028 <span class="keywordflow">throw</span> Err(<span class="stringliteral">"pthread_key_create"</span>, error);00029 <span class="preprocessor">#endif</span>00030 <span class="preprocessor"></span>}00031 00032 ThreadLocalStorage::~ThreadLocalStorage()00033 {00034 <span class="preprocessor">#ifdef HAS_WINTHREADS</span>00035 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!TlsFree(m_index))00036 <span class="keywordflow">throw</span> Err(<span class="stringliteral">"TlsFree"</span>, GetLastError());00037 <span class="preprocessor">#else</span>00038 <span class="preprocessor"></span> <span class="keywordtype">int</span> error = pthread_key_delete(m_index);00039 <span class="keywordflow">if</span> (error)00040 <span class="keywordflow">throw</span> Err(<span class="stringliteral">"pthread_key_delete"</span>, error);00041 <span class="preprocessor">#endif</span>00042 <span class="preprocessor"></span>}00043 00044 <span class="keywordtype">void</span> ThreadLocalStorage::SetValue(<span class="keywordtype">void</span> *value)00045 {00046 <span class="preprocessor">#ifdef HAS_WINTHREADS</span>00047 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!TlsSetValue(m_index, value))00048 <span class="keywordflow">throw</span> Err(<span class="stringliteral">"TlsSetValue"</span>, GetLastError());00049 <span class="preprocessor">#else</span>00050 <span class="preprocessor"></span> <span class="keywordtype">int</span> error = pthread_setspecific(m_index, value);00051 <span class="keywordflow">if</span> (error)00052 <span class="keywordflow">throw</span> Err(<span class="stringliteral">"pthread_key_getspecific"</span>, error);00053 <span class="preprocessor">#endif</span>00054 <span class="preprocessor"></span>}00055 00056 <span class="keywordtype">void</span> *ThreadLocalStorage::GetValue()<span class="keyword"> const</span>00057 <span class="keyword"></span>{00058 <span class="preprocessor">#ifdef HAS_WINTHREADS</span>00059 <span class="preprocessor"></span> <span class="keywordtype">void</span> *result = TlsGetValue(m_index);00060 <span class="keywordflow">if</span> (!result && GetLastError() != NO_ERROR)00061 <span class="keywordflow">throw</span> Err(<span class="stringliteral">"TlsGetValue"</span>, GetLastError());00062 <span class="preprocessor">#else</span>00063 <span class="preprocessor"></span> <span class="keywordtype">void</span> *result = pthread_getspecific(m_index);00064 <span class="preprocessor">#endif</span>00065 <span class="preprocessor"></span> <span class="keywordflow">return</span> result;00066 }00067 00068 NAMESPACE_END00069 00070 <span class="preprocessor">#endif // #ifdef THREADS_AVAILABLE</span>00071 <span class="preprocessor"></span>00072 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Jul 8 23:34:27 2003 for Crypto++ by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 > </a>1.3.2 </small></address></body></html>⌨️ 快捷键说明
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