# 正文

C++的类静态成员变量可以使用thread_local进行修饰，表示这个成员变量是线程本地静态成员，例如：

```cpp
class CTest
{
    // other members
    .....
    // declaration
    static thread_local int m1;
}

// initialize
thread_local int CTest::m1 = 0;
```

# 参考

- [Can you use thread local variables inside a class or structure](https://stackoverflow.com/questions/10999131/can-you-use-thread-local-variables-inside-a-class-or-structure)