All of the following functions are only available when thread support is enabled at compile time, and must be called only when the interpreter lock has been created.
All of the following functions are only available when thread support is enabled at compile time, and must be called only when the interpreter lock has been created.
以下所有函数只能在编译时确认支持线程的情况下可用，并且必须在解释器锁创建后被调用。