78   class thread  in _GLIBCXX_VISIBILITY()
112       friend class thread;  in _GLIBCXX_VISIBILITY()
138       using __not_same = __not_<is_same<__remove_cvref_t<_Tp>, thread>>;  in _GLIBCXX_VISIBILITY()
141     thread() noexcept = default;  in _GLIBCXX_VISIBILITY()
147       thread(_Callable&& __f, _Args&&... __args)  in _GLIBCXX_VISIBILITY()
169     ~thread()  in _GLIBCXX_VISIBILITY()
175     thread(const thread&) = delete;  in _GLIBCXX_VISIBILITY()
177     thread(thread&& __t) noexcept  in _GLIBCXX_VISIBILITY()
180     thread& operator=(const thread&) = delete;  in _GLIBCXX_VISIBILITY()
182     thread& operator=(thread&& __t) noexcept  in _GLIBCXX_VISIBILITY()
191     swap(thread& __t) noexcept  in _GLIBCXX_VISIBILITY()
299   inline void thread::join() { std::__throw_system_error(EINVAL); }  in _GLIBCXX_VISIBILITY()
300   inline void thread::detach() { std::__throw_system_error(EINVAL); }  in _GLIBCXX_VISIBILITY()
301   inline unsigned int thread::hardware_concurrency() noexcept { return 0; }  in _GLIBCXX_VISIBILITY()
306   swap(thread& __x, thread& __y) noexcept  in _GLIBCXX_VISIBILITY()
311   operator==(thread::id __x, thread::id __y) noexcept  in _GLIBCXX_VISIBILITY()
325     struct hash<thread::id>  in _GLIBCXX_VISIBILITY()
326     : public __hash_base<size_t, thread::id>  in _GLIBCXX_VISIBILITY()
329       operator()(const thread::id& __id) const noexcept  in _GLIBCXX_VISIBILITY()
336     inline thread::id  in _GLIBCXX_VISIBILITY()
340       return thread::id(1);  in _GLIBCXX_VISIBILITY()
342       return thread::id(_GLIBCXX_NATIVE_THREAD_ID);  in _GLIBCXX_VISIBILITY()
344       return thread::id(__gthread_self());  in _GLIBCXX_VISIBILITY()