学步园

应用临界区锁控制访问，并利用了模板参数，方便应用

template<typename T><br /> class CJrParam<br /> {<br /> public:<br /> CJrParam(void)<br /> {<br /> ::InitializeCriticalSection(&m_CriticalSection);<br /> }<br /> virtual ~CJrParam(void)<br /> {<br /> ::DeleteCriticalSection(&m_CriticalSection);<br /> }<br /> protected:<br /> T m_ParamStruct;<br /> friend class CJrParamHelper;<br /> CRITICAL_SECTION m_CriticalSection;</p> <p>public:<br /> typedef T Param_Type;<br /> class CJrParamHelper<br /> {<br /> public:<br /> CJrParamHelper(CJrParam& param_)<br /> : m_ParamClass(param_)<br /> {<br /> ::EnterCriticalSection(&m_ParamClass.m_CriticalSection);<br /> }<br /> ~CJrParamHelper(void)<br /> {<br /> ::LeaveCriticalSection(&m_ParamClass.m_CriticalSection);<br /> }</p> <p> (Param_Type)& GetParamStruct()<br /> {<br /> return m_ParamClass.m_ParamStruct;<br /> };<br /> private:<br /> CJrParam& m_ParamClass;<br /> };<br /> };</p> <p>struct StParam<br /> {<br /> int _test;</p> <p> StParam()<br /> {<br /> _test = 0;<br /> }<br /> };</p> <p>class CMyParam : public CJrParam<StParam><br /> {<br /> public:<br /> CMyParam (void);<br /> virtual ~CMyParam (void);<br /> };</p> <p> void func()<br /> {<br /> CMyModule* _pM = GetMyModule();<br /> CMyParam::CJrParamHelper _h(_pM->m_Params);<br /> StParam& datas = _h.GetParamStruct();<br /> datas._test++;<br /> }