SECURITY_ATTRIBUTES sa; //设置句柄安全性

    sa.nLength = sizeof(sa);

    sa.lpSecurityDescriptor = NULL;

    sa.bInheritHandle = TRUE;

    HANDLE hMutex1 = CreateMutex(&sa, FALSE, TEXT("JeffObj")); //创建对象句柄1

    HANDLE hMutex2 = OpenMutex(MUTEX_ALL_ACCESS, FALSE, TEXT("JeffObj")); //继承一个对象句柄2

    DWORD dwFlags1;

    GetHandleInformation(hMutex1, &dwFlags1); //验证对象句柄1的继承性

    BOOL fHandleIsInheritable1 = ( != (dwFlags1 & HANDLE_FLAG_INHERIT));

    DWORD dwFlags2;

    GetHandleInformation(hMutex2, &dwFlags2); //验证对象句柄1的继承性，判断是否继承安全性成功

    BOOL fHandleIsInheritable2 = ( != (dwFlags2 & HANDLE_FLAG_INHERIT));

    CloseHandle(hMutex1);

    CloseHandle(hMutex2);