00001
00002
00003 #include "pch.h"
00004
00005 #ifndef CRYPTOPP_IMPORTS
00006 #ifdef THREADS_AVAILABLE
00007
00008 #include "trdlocal.h"
00009
00010 #ifdef HAS_WINTHREADS
00011 #include <windows.h>
00012 #endif
00013
00014 NAMESPACE_BEGIN(CryptoPP)
00015
00016 ThreadLocalStorage::Err::Err(const std::string& operation, int error)
00017 : OS_Error(OTHER_ERROR, "ThreadLocalStorage: " + operation + " operation failed with error 0x" + IntToString(error, 16), operation, error)
00018 {
00019 }
00020
00021 ThreadLocalStorage::ThreadLocalStorage()
00022 {
00023 #ifdef HAS_WINTHREADS
00024 m_index = TlsAlloc();
00025 if (m_index == TLS_OUT_OF_INDEXES)
00026 throw Err("TlsAlloc", GetLastError());
00027 #else
00028 int error = pthread_key_create(&m_index, NULL);
00029 if (error)
00030 throw Err("pthread_key_create", error);
00031 #endif
00032 }
00033
00034 ThreadLocalStorage::~ThreadLocalStorage()
00035 {
00036 #ifdef HAS_WINTHREADS
00037 if (!TlsFree(m_index))
00038 throw Err("TlsFree", GetLastError());
00039 #else
00040 int error = pthread_key_delete(m_index);
00041 if (error)
00042 throw Err("pthread_key_delete", error);
00043 #endif
00044 }
00045
00046 void ThreadLocalStorage::SetValue(void *value)
00047 {
00048 #ifdef HAS_WINTHREADS
00049 if (!TlsSetValue(m_index, value))
00050 throw Err("TlsSetValue", GetLastError());
00051 #else
00052 int error = pthread_setspecific(m_index, value);
00053 if (error)
00054 throw Err("pthread_key_getspecific", error);
00055 #endif
00056 }
00057
00058 void *ThreadLocalStorage::GetValue() const
00059 {
00060 #ifdef HAS_WINTHREADS
00061 void *result = TlsGetValue(m_index);
00062 if (!result && GetLastError() != NO_ERROR)
00063 throw Err("TlsGetValue", GetLastError());
00064 #else
00065 void *result = pthread_getspecific(m_index);
00066 #endif
00067 return result;
00068 }
00069
00070 NAMESPACE_END
00071
00072 #endif // #ifdef THREADS_AVAILABLE
00073 #endif
