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authorhiddenpath <hiddenpath@yandex-team.com>2024-02-21 23:16:42 +0300
committerhiddenpath <hiddenpath@yandex-team.com>2024-02-21 23:33:25 +0300
commit9052eb5cc304b8da8885fc4e3364ebddc16945f3 (patch)
tree3c252f6161dd0745c7732d74c9304c000645ab47 /contrib/libs/cxxsupp/libcxx/include/thread
parentf5eb715f103692e7c7536e13bef3f281fd78e5e7 (diff)
downloadydb-9052eb5cc304b8da8885fc4e3364ebddc16945f3.tar.gz
Update libcxx to llvmorg-17.0.6
Update libcxx to llvmorg-17.0.6 c871ef572c71b4fef22d4a9e65bcebc57e625aea
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/thread')
-rw-r--r--contrib/libs/cxxsupp/libcxx/include/thread323
1 files changed, 16 insertions, 307 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/thread b/contrib/libs/cxxsupp/libcxx/include/thread
index 7a1117f555..4ddcf3ec79 100644
--- a/contrib/libs/cxxsupp/libcxx/include/thread
+++ b/contrib/libs/cxxsupp/libcxx/include/thread
@@ -64,6 +64,9 @@ template<class charT, class traits>
basic_ostream<charT, traits>&
operator<<(basic_ostream<charT, traits>& out, thread::id id);
+template<class charT>
+struct formatter<thread::id, charT>;
+
namespace this_thread
{
@@ -84,19 +87,12 @@ void sleep_for(const chrono::duration<Rep, Period>& rel_time);
*/
#include <__assert> // all public C++ headers provide the assertion handler
+#include <__availability>
#include <__config>
-#include <__functional/hash.h>
-#include <__memory/unique_ptr.h>
-#include <__mutex_base>
-#include <__thread/poll_with_backoff.h>
-#include <__thread/timed_backoff_policy.h>
+#include <__thread/formatter.h>
+#include <__thread/this_thread.h>
+#include <__thread/thread.h>
#include <__threading_support>
-#include <__utility/forward.h>
-#include <cstddef>
-#include <iosfwd>
-#include <system_error>
-#include <tuple>
-#include <type_traits>
#include <version>
// standard-mandated includes
@@ -108,314 +104,27 @@ void sleep_for(const chrono::duration<Rep, Period>& rel_time);
# pragma GCC system_header
#endif
-_LIBCPP_PUSH_MACROS
-#include <__undef_macros>
-
#ifdef _LIBCPP_HAS_NO_THREADS
# error "<thread> is not supported since libc++ has been configured without support for threads."
#endif
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-template <class _Tp> class __thread_specific_ptr;
-class _LIBCPP_TYPE_VIS __thread_struct;
-class _LIBCPP_HIDDEN __thread_struct_imp;
-class __assoc_sub_state;
-
-_LIBCPP_FUNC_VIS __thread_specific_ptr<__thread_struct>& __thread_local_data();
-
-class _LIBCPP_TYPE_VIS __thread_struct
-{
- __thread_struct_imp* __p_;
-
- __thread_struct(const __thread_struct&);
- __thread_struct& operator=(const __thread_struct&);
-public:
- __thread_struct();
- ~__thread_struct();
-
- void notify_all_at_thread_exit(condition_variable*, mutex*);
- void __make_ready_at_thread_exit(__assoc_sub_state*);
-};
-
-template <class _Tp>
-class __thread_specific_ptr
-{
- __libcpp_tls_key __key_;
-
- // Only __thread_local_data() may construct a __thread_specific_ptr
- // and only with _Tp == __thread_struct.
- static_assert((is_same<_Tp, __thread_struct>::value), "");
- __thread_specific_ptr();
- friend _LIBCPP_FUNC_VIS __thread_specific_ptr<__thread_struct>& __thread_local_data();
-
- __thread_specific_ptr(const __thread_specific_ptr&);
- __thread_specific_ptr& operator=(const __thread_specific_ptr&);
-
- _LIBCPP_HIDDEN static void _LIBCPP_TLS_DESTRUCTOR_CC __at_thread_exit(void*);
-
-public:
- typedef _Tp* pointer;
-
- ~__thread_specific_ptr();
-
- _LIBCPP_INLINE_VISIBILITY
- pointer get() const {return static_cast<_Tp*>(__libcpp_tls_get(__key_));}
- _LIBCPP_INLINE_VISIBILITY
- pointer operator*() const {return *get();}
- _LIBCPP_INLINE_VISIBILITY
- pointer operator->() const {return get();}
- void set_pointer(pointer __p);
-};
-
-template <class _Tp>
-void _LIBCPP_TLS_DESTRUCTOR_CC
-__thread_specific_ptr<_Tp>::__at_thread_exit(void* __p)
-{
- delete static_cast<pointer>(__p);
-}
-
-template <class _Tp>
-__thread_specific_ptr<_Tp>::__thread_specific_ptr()
-{
- int __ec =
- __libcpp_tls_create(&__key_, &__thread_specific_ptr::__at_thread_exit);
- if (__ec)
- __throw_system_error(__ec, "__thread_specific_ptr construction failed");
-}
-
-template <class _Tp>
-__thread_specific_ptr<_Tp>::~__thread_specific_ptr()
-{
- // __thread_specific_ptr is only created with a static storage duration
- // so this destructor is only invoked during program termination. Invoking
- // pthread_key_delete(__key_) may prevent other threads from deleting their
- // thread local data. For this reason we leak the key.
-}
-
-template <class _Tp>
-void
-__thread_specific_ptr<_Tp>::set_pointer(pointer __p)
-{
- _LIBCPP_ASSERT(get() == nullptr,
- "Attempting to overwrite thread local data");
- std::__libcpp_tls_set(__key_, __p);
-}
-
-template<>
-struct _LIBCPP_TEMPLATE_VIS hash<__thread_id>
- : public __unary_function<__thread_id, size_t>
-{
- _LIBCPP_INLINE_VISIBILITY
- size_t operator()(__thread_id __v) const _NOEXCEPT
- {
- return hash<__libcpp_thread_id>()(__v.__id_);
- }
-};
-
-template<class _CharT, class _Traits>
-_LIBCPP_INLINE_VISIBILITY
-basic_ostream<_CharT, _Traits>&
-operator<<(basic_ostream<_CharT, _Traits>& __os, __thread_id __id)
-{return __os << __id.__id_;}
-
-class _LIBCPP_TYPE_VIS thread
-{
- __libcpp_thread_t __t_;
-
- thread(const thread&);
- thread& operator=(const thread&);
-public:
- typedef __thread_id id;
- typedef __libcpp_thread_t native_handle_type;
-
- _LIBCPP_INLINE_VISIBILITY
- thread() _NOEXCEPT : __t_(_LIBCPP_NULL_THREAD) {}
-#ifndef _LIBCPP_CXX03_LANG
- template <class _Fp, class ..._Args,
- class = __enable_if_t<!is_same<__remove_cvref_t<_Fp>, thread>::value> >
- _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
- explicit thread(_Fp&& __f, _Args&&... __args);
-#else // _LIBCPP_CXX03_LANG
- template <class _Fp>
- _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
- explicit thread(_Fp __f);
+#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES)
+# include <cstddef>
+# include <ctime>
+# include <iosfwd>
+# include <ratio>
#endif
- ~thread();
-
- _LIBCPP_INLINE_VISIBILITY
- thread(thread&& __t) _NOEXCEPT : __t_(__t.__t_) {
- __t.__t_ = _LIBCPP_NULL_THREAD;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- thread& operator=(thread&& __t) _NOEXCEPT {
- if (!__libcpp_thread_isnull(&__t_))
- terminate();
- __t_ = __t.__t_;
- __t.__t_ = _LIBCPP_NULL_THREAD;
- return *this;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- void swap(thread& __t) _NOEXCEPT {_VSTD::swap(__t_, __t.__t_);}
-
- _LIBCPP_INLINE_VISIBILITY
- bool joinable() const _NOEXCEPT {return !__libcpp_thread_isnull(&__t_);}
- void join();
- void detach();
- _LIBCPP_INLINE_VISIBILITY
- id get_id() const _NOEXCEPT {return __libcpp_thread_get_id(&__t_);}
- _LIBCPP_INLINE_VISIBILITY
- native_handle_type native_handle() _NOEXCEPT {return __t_;}
-
- static unsigned hardware_concurrency() _NOEXCEPT;
-};
-
-#ifndef _LIBCPP_CXX03_LANG
-
-template <class _TSp, class _Fp, class ..._Args, size_t ..._Indices>
-inline _LIBCPP_INLINE_VISIBILITY
-void
-__thread_execute(tuple<_TSp, _Fp, _Args...>& __t, __tuple_indices<_Indices...>)
-{
- _VSTD::__invoke(_VSTD::move(_VSTD::get<1>(__t)), _VSTD::move(_VSTD::get<_Indices>(__t))...);
-}
-
-template <class _Fp>
-_LIBCPP_INLINE_VISIBILITY
-void* __thread_proxy(void* __vp)
-{
- // _Fp = tuple< unique_ptr<__thread_struct>, Functor, Args...>
- unique_ptr<_Fp> __p(static_cast<_Fp*>(__vp));
- __thread_local_data().set_pointer(_VSTD::get<0>(*__p.get()).release());
- typedef typename __make_tuple_indices<tuple_size<_Fp>::value, 2>::type _Index;
- _VSTD::__thread_execute(*__p.get(), _Index());
- return nullptr;
-}
-
-template <class _Fp, class ..._Args,
- class
- >
-thread::thread(_Fp&& __f, _Args&&... __args)
-{
- typedef unique_ptr<__thread_struct> _TSPtr;
- _TSPtr __tsp(new __thread_struct);
- typedef tuple<_TSPtr, typename decay<_Fp>::type, typename decay<_Args>::type...> _Gp;
- unique_ptr<_Gp> __p(
- new _Gp(_VSTD::move(__tsp),
- _VSTD::forward<_Fp>(__f),
- _VSTD::forward<_Args>(__args)...));
- int __ec = _VSTD::__libcpp_thread_create(&__t_, &__thread_proxy<_Gp>, __p.get());
- if (__ec == 0)
- __p.release();
- else
- __throw_system_error(__ec, "thread constructor failed");
-}
-
-#else // _LIBCPP_CXX03_LANG
-
-template <class _Fp>
-struct __thread_invoke_pair {
- // This type is used to pass memory for thread local storage and a functor
- // to a newly created thread because std::pair doesn't work with
- // std::unique_ptr in C++03.
- __thread_invoke_pair(_Fp& __f) : __tsp_(new __thread_struct), __fn_(__f) {}
- unique_ptr<__thread_struct> __tsp_;
- _Fp __fn_;
-};
-
-template <class _Fp>
-_LIBCPP_HIDE_FROM_ABI void* __thread_proxy_cxx03(void* __vp)
-{
- unique_ptr<_Fp> __p(static_cast<_Fp*>(__vp));
- __thread_local_data().set_pointer(__p->__tsp_.release());
- (__p->__fn_)();
- return nullptr;
-}
-
-template <class _Fp>
-thread::thread(_Fp __f)
-{
-
- typedef __thread_invoke_pair<_Fp> _InvokePair;
- typedef unique_ptr<_InvokePair> _PairPtr;
- _PairPtr __pp(new _InvokePair(__f));
- int __ec = _VSTD::__libcpp_thread_create(&__t_, &__thread_proxy_cxx03<_InvokePair>, __pp.get());
- if (__ec == 0)
- __pp.release();
- else
- __throw_system_error(__ec, "thread constructor failed");
-}
-
-#endif // _LIBCPP_CXX03_LANG
-
-inline _LIBCPP_INLINE_VISIBILITY
-void swap(thread& __x, thread& __y) _NOEXCEPT {__x.swap(__y);}
-
-namespace this_thread
-{
-
-_LIBCPP_FUNC_VIS void sleep_for(const chrono::nanoseconds& __ns);
-
-template <class _Rep, class _Period>
-_LIBCPP_HIDE_FROM_ABI void
-sleep_for(const chrono::duration<_Rep, _Period>& __d)
-{
- if (__d > chrono::duration<_Rep, _Period>::zero())
- {
- // The standard guarantees a 64bit signed integer resolution for nanoseconds,
- // so use INT64_MAX / 1e9 as cut-off point. Use a constant to avoid <climits>
- // and issues with long double folding on PowerPC with GCC.
- _LIBCPP_CONSTEXPR chrono::duration<long double> _Max =
- chrono::duration<long double>(9223372036.0L);
- chrono::nanoseconds __ns;
- if (__d < _Max)
- {
- __ns = chrono::duration_cast<chrono::nanoseconds>(__d);
- if (__ns < __d)
- ++__ns;
- }
- else
- __ns = chrono::nanoseconds::max();
- this_thread::sleep_for(__ns);
- }
-}
-
-template <class _Clock, class _Duration>
-_LIBCPP_HIDE_FROM_ABI void
-sleep_until(const chrono::time_point<_Clock, _Duration>& __t)
-{
- mutex __mut;
- condition_variable __cv;
- unique_lock<mutex> __lk(__mut);
- while (_Clock::now() < __t)
- __cv.wait_until(__lk, __t);
-}
-
-template <class _Duration>
-inline _LIBCPP_INLINE_VISIBILITY
-void
-sleep_until(const chrono::time_point<chrono::steady_clock, _Duration>& __t)
-{
- this_thread::sleep_for(__t - chrono::steady_clock::now());
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-void yield() _NOEXCEPT {__libcpp_thread_yield();}
-
-} // namespace this_thread
-
-_LIBCPP_END_NAMESPACE_STD
-
-_LIBCPP_POP_MACROS
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 17
# include <chrono>
#endif
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
+# include <cstring>
# include <functional>
+# include <new>
+# include <system_error>
+# include <type_traits>
#endif
#endif // _LIBCPP_THREAD