mare2012的博客

（一）C++实现方式：   class OnlyOne { int data; public: static OnlyOne& Instance() { static OnlyOne uniqueInstance; return uniqueInstance; } public: int GetData(){return data;} pro...

延迟销毁资源，不具备写时复制功能，贴出代码     class DataSource { private: volatile unsigned int *m_pICount; double *m_pData; public: DataSource(double *pData); ~DataSource(); DataSource(const DataSource...