TnbThreadLocalStorage.h

[詳解]

#pragma once 
#include "TnbDef.h"
 
 
 
namespace TNB
{
 
 
 
#ifndef _TnbDOXYGEN //Document作成用シンボル
#ifndef TLS_OUT_OF_INDEXES
 #define TLS_OUT_OF_INDEXES ((DWORD)0xFFFFFFFF)
#endif
#endif
 
 
 
template<typename TYP>
class CThreadLocalStorageT
{
    DWORD           m_dwTlsIndex;   
 
public:
 
    CThreadLocalStorageT(void)
    {
        ASSERT1( sizeof(LPVOID) >= sizeof(TYP),
                "CThreadLocalStorageT", "使用出来ない型(%s)が指定されています", typeid(TYP).name() );
        m_dwTlsIndex = ::TlsAlloc();
        if ( m_dwTlsIndex == TLS_OUT_OF_INDEXES )
        {
            throw CEmptyException();
        }
    }
 
    ~CThreadLocalStorageT(void)
    {
        ::TlsFree(m_dwTlsIndex);
    }
 
    TYP Get(void) const
    {
        return reinterpret_cast<TYP>(::TlsGetValue(m_dwTlsIndex));
    }
 
    void Set(const TYP& t)
    {
        ::TlsSetValue(m_dwTlsIndex, reinterpret_cast<LPVOID>(t));
    }
 
    DWORD GetTlsIndex(void) const
    {
        return m_dwTlsIndex;
    }
};
 
 
#if 0
class CLastErrorManage
{
    CThreadLocalStorageT<BYTE> m_tlsError;  
 
public:
 
    CLastErrorManage(void)
    {
    }
 
    DWORD GetLastError(void) const
    {
        return m_tlsError.Get();
    }
 
    void SetLastError(DWORD dwError=::GetLastError())
    {
        m_tlsError.Set(dwError);
    }
};
#endif
 
 
 
}; //TNB