// trdlocal.cpp - written and placed in the public domain by Wei Dai#include "pch.h"#include "trdlocal.h"#ifdef THREADS_AVAILABLENAMESPACE_BEGIN(CryptoPP)ThreadLocalStorage::Err::Err(const std::string& operation, int error)	: OS_Error(OTHER_ERROR, "ThreadLocalStorage: " + operation + " operation failed with error 0x" + IntToString(error, 16), operation, error){}ThreadLocalStorage::ThreadLocalStorage(){#ifdef HAS_WINTHREADS	m_index = TlsAlloc();	if (m_index == TLS_OUT_OF_INDEXES)		throw Err("TlsAlloc", GetLastError());#else	int error = pthread_key_create(&m_index, NULL);	if (error)		throw Err("pthread_key_create", error);#endif}ThreadLocalStorage::~ThreadLocalStorage(){#ifdef HAS_WINTHREADS	if (!TlsFree(m_index))		throw Err("TlsFree", GetLastError());#else	int error = pthread_key_delete(m_index);	if (error)		throw Err("pthread_key_delete", error);#endif}void ThreadLocalStorage::SetValue(void *value){#ifdef HAS_WINTHREADS	if (!TlsSetValue(m_index, value))		throw Err("TlsSetValue", GetLastError());#else	int error = pthread_setspecific(m_index, value);	if (error)		throw Err("pthread_key_getspecific", error);#endif}void *ThreadLocalStorage::GetValue() const{#ifdef HAS_WINTHREADS	void *result = TlsGetValue(m_index);	if (!result && GetLastError() != NO_ERROR)		throw Err("TlsGetValue", GetLastError());#else	void *result = pthread_getspecific(m_index);#endif	return result;}NAMESPACE_END#endif	// #ifdef THREADS_AVAILABLE