Cider Isn't Darwin Emulation, Really
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-*- C++ -*-//===--------------------------- atomic -----------------------------------===////// The LLVM Compiler Infrastructure//// This file is distributed under the University of Illinois Open Source// License. See LICENSE.TXT for details.////===----------------------------------------------------------------------===//#ifndef _LIBCPP_ATOMIC#define _LIBCPP_ATOMIC/* atomic synopsisnamespace std{// feature test macro#define __cpp_lib_atomic_is_always_lock_free // as specified by SG10// order and consistencytypedef enum memory_order{ memory_order_relaxed, memory_order_consume, // load-consume memory_order_acquire, // load-acquire memory_order_release, // store-release memory_order_acq_rel, // store-release load-acquire memory_order_seq_cst // store-release load-acquire} memory_order;template <class T> T kill_dependency(T y) noexcept;// lock-free property#define ATOMIC_BOOL_LOCK_FREE unspecified#define ATOMIC_CHAR_LOCK_FREE unspecified#define ATOMIC_CHAR16_T_LOCK_FREE unspecified#define ATOMIC_CHAR32_T_LOCK_FREE unspecified#define ATOMIC_WCHAR_T_LOCK_FREE unspecified#define ATOMIC_SHORT_LOCK_FREE unspecified#define ATOMIC_INT_LOCK_FREE unspecified#define ATOMIC_LONG_LOCK_FREE unspecified#define ATOMIC_LLONG_LOCK_FREE unspecified#define ATOMIC_POINTER_LOCK_FREE unspecified// flag type and operationstypedef struct atomic_flag{ bool test_and_set(memory_order m = memory_order_seq_cst) volatile noexcept; bool test_and_set(memory_order m = memory_order_seq_cst) noexcept; void clear(memory_order m = memory_order_seq_cst) volatile noexcept; void clear(memory_order m = memory_order_seq_cst) noexcept; atomic_flag() noexcept = default; atomic_flag(const atomic_flag&) = delete; atomic_flag& operator=(const atomic_flag&) = delete; atomic_flag& operator=(const atomic_flag&) volatile = delete;} atomic_flag;bool atomic_flag_test_and_set(volatile atomic_flag* obj) noexcept;bool atomic_flag_test_and_set(atomic_flag* obj) noexcept;bool atomic_flag_test_and_set_explicit(volatile atomic_flag* obj, memory_order m) noexcept;bool atomic_flag_test_and_set_explicit(atomic_flag* obj, memory_order m) noexcept;void atomic_flag_clear(volatile atomic_flag* obj) noexcept;void atomic_flag_clear(atomic_flag* obj) noexcept;void atomic_flag_clear_explicit(volatile atomic_flag* obj, memory_order m) noexcept;void atomic_flag_clear_explicit(atomic_flag* obj, memory_order m) noexcept;#define ATOMIC_FLAG_INIT see below#define ATOMIC_VAR_INIT(value) see belowtemplate <class T>struct atomic{ static constexpr bool is_always_lock_free; bool is_lock_free() const volatile noexcept; bool is_lock_free() const noexcept; void store(T desr, memory_order m = memory_order_seq_cst) volatile noexcept; void store(T desr, memory_order m = memory_order_seq_cst) noexcept; T load(memory_order m = memory_order_seq_cst) const volatile noexcept; T load(memory_order m = memory_order_seq_cst) const noexcept; operator T() const volatile noexcept; operator T() const noexcept; T exchange(T desr, memory_order m = memory_order_seq_cst) volatile noexcept; T exchange(T desr, memory_order m = memory_order_seq_cst) noexcept; bool compare_exchange_weak(T& expc, T desr, memory_order s, memory_order f) volatile noexcept; bool compare_exchange_weak(T& expc, T desr, memory_order s, memory_order f) noexcept; bool compare_exchange_strong(T& expc, T desr, memory_order s, memory_order f) volatile noexcept; bool compare_exchange_strong(T& expc, T desr, memory_order s, memory_order f) noexcept; bool compare_exchange_weak(T& expc, T desr, memory_order m = memory_order_seq_cst) volatile noexcept; bool compare_exchange_weak(T& expc, T desr, memory_order m = memory_order_seq_cst) noexcept; bool compare_exchange_strong(T& expc, T desr, memory_order m = memory_order_seq_cst) volatile noexcept; bool compare_exchange_strong(T& expc, T desr, memory_order m = memory_order_seq_cst) noexcept; atomic() noexcept = default; constexpr atomic(T desr) noexcept; atomic(const atomic&) = delete; atomic& operator=(const atomic&) = delete; atomic& operator=(const atomic&) volatile = delete; T operator=(T) volatile noexcept; T operator=(T) noexcept;};template <>struct atomic<integral>{ static constexpr bool is_always_lock_free; bool is_lock_free() const volatile noexcept; bool is_lock_free() const noexcept; void store(integral desr, memory_order m = memory_order_seq_cst) volatile noexcept; void store(integral desr, memory_order m = memory_order_seq_cst) noexcept; integral load(memory_order m = memory_order_seq_cst) const volatile noexcept; integral load(memory_order m = memory_order_seq_cst) const noexcept; operator integral() const volatile noexcept; operator integral() const noexcept; integral exchange(integral desr, memory_order m = memory_order_seq_cst) volatile noexcept; integral exchange(integral desr, memory_order m = memory_order_seq_cst) noexcept; bool compare_exchange_weak(integral& expc, integral desr, memory_order s, memory_order f) volatile noexcept; bool compare_exchange_weak(integral& expc, integral desr, memory_order s, memory_order f) noexcept; bool compare_exchange_strong(integral& expc, integral desr, memory_order s, memory_order f) volatile noexcept; bool compare_exchange_strong(integral& expc, integral desr, memory_order s, memory_order f) noexcept; bool compare_exchange_weak(integral& expc, integral desr, memory_order m = memory_order_seq_cst) volatile noexcept; bool compare_exchange_weak(integral& expc, integral desr, memory_order m = memory_order_seq_cst) noexcept; bool compare_exchange_strong(integral& expc, integral desr, memory_order m = memory_order_seq_cst) volatile noexcept; bool compare_exchange_strong(integral& expc, integral desr, memory_order m = memory_order_seq_cst) noexcept; integral fetch_add(integral op, memory_order m = memory_order_seq_cst) volatile noexcept; integral fetch_add(integral op, memory_order m = memory_order_seq_cst) noexcept; integral fetch_sub(integral op, memory_order m = memory_order_seq_cst) volatile noexcept; integral fetch_sub(integral op, memory_order m = memory_order_seq_cst) noexcept; integral fetch_and(integral op, memory_order m = memory_order_seq_cst) volatile noexcept; integral fetch_and(integral op, memory_order m = memory_order_seq_cst) noexcept; integral fetch_or(integral op, memory_order m = memory_order_seq_cst) volatile noexcept; integral fetch_or(integral op, memory_order m = memory_order_seq_cst) noexcept; integral fetch_xor(integral op, memory_order m = memory_order_seq_cst) volatile noexcept; integral fetch_xor(integral op, memory_order m = memory_order_seq_cst) noexcept; atomic() noexcept = default; constexpr atomic(integral desr) noexcept; atomic(const atomic&) = delete; atomic& operator=(const atomic&) = delete; atomic& operator=(const atomic&) volatile = delete; integral operator=(integral desr) volatile noexcept; integral operator=(integral desr) noexcept; integral operator++(int) volatile noexcept; integral operator++(int) noexcept; integral operator--(int) volatile noexcept; integral operator--(int) noexcept; integral operator++() volatile noexcept; integral operator++() noexcept; integral operator--() volatile noexcept; integral operator--() noexcept; integral operator+=(integral op) volatile noexcept; integral operator+=(integral op) noexcept; integral operator-=(integral op) volatile noexcept; integral operator-=(integral op) noexcept; integral operator&=(integral op) volatile noexcept; integral operator&=(integral op) noexcept; integral operator|=(integral op) volatile noexcept; integral operator|=(integral op) noexcept; integral operator^=(integral op) volatile noexcept; integral operator^=(integral op) noexcept;};template <class T>struct atomic<T*>{ static constexpr bool is_always_lock_free; bool is_lock_free() const volatile noexcept; bool is_lock_free() const noexcept; void store(T* desr, memory_order m = memory_order_seq_cst) volatile noexcept; void store(T* desr, memory_order m = memory_order_seq_cst) noexcept; T* load(memory_order m = memory_order_seq_cst) const volatile noexcept; T* load(memory_order m = memory_order_seq_cst) const noexcept; operator T*() const volatile noexcept; operator T*() const noexcept; T* exchange(T* desr, memory_order m = memory_order_seq_cst) volatile noexcept; T* exchange(T* desr, memory_order m = memory_order_seq_cst) noexcept; bool compare_exchange_weak(T*& expc, T* desr, memory_order s, memory_order f) volatile noexcept; bool compare_exchange_weak(T*& expc, T* desr, memory_order s, memory_order f) noexcept; bool compare_exchange_strong(T*& expc, T* desr, memory_order s, memory_order f) volatile noexcept; bool compare_exchange_strong(T*& expc, T* desr, memory_order s, memory_order f) noexcept; bool compare_exchange_weak(T*& expc, T* desr, memory_order m = memory_order_seq_cst) volatile noexcept; bool compare_exchange_weak(T*& expc, T* desr, memory_order m = memory_order_seq_cst) noexcept; bool compare_exchange_strong(T*& expc, T* desr, memory_order m = memory_order_seq_cst) volatile noexcept; bool compare_exchange_strong(T*& expc, T* desr, memory_order m = memory_order_seq_cst) noexcept; T* fetch_add(ptrdiff_t op, memory_order m = memory_order_seq_cst) volatile noexcept; T* fetch_add(ptrdiff_t op, memory_order m = memory_order_seq_cst) noexcept; T* fetch_sub(ptrdiff_t op, memory_order m = memory_order_seq_cst) volatile noexcept; T* fetch_sub(ptrdiff_t op, memory_order m = memory_order_seq_cst) noexcept; atomic() noexcept = default; constexpr atomic(T* desr) noexcept; atomic(const atomic&) = delete; atomic& operator=(const atomic&) = delete; atomic& operator=(const atomic&) volatile = delete; T* operator=(T*) volatile noexcept; T* operator=(T*) noexcept; T* operator++(int) volatile noexcept; T* operator++(int) noexcept; T* operator--(int) volatile noexcept; T* operator--(int) noexcept; T* operator++() volatile noexcept; T* operator++() noexcept; T* operator--() volatile noexcept; T* operator--() noexcept; T* operator+=(ptrdiff_t op) volatile noexcept; T* operator+=(ptrdiff_t op) noexcept; T* operator-=(ptrdiff_t op) volatile noexcept; T* operator-=(ptrdiff_t op) noexcept;};template <class T> bool atomic_is_lock_free(const volatile atomic<T>* obj) noexcept;template <class T> bool atomic_is_lock_free(const atomic<T>* obj) noexcept;template <class T> void atomic_init(volatile atomic<T>* obj, T desr) noexcept;template <class T> void atomic_init(atomic<T>* obj, T desr) noexcept;template <class T> void atomic_store(volatile atomic<T>* obj, T desr) noexcept;template <class T> void atomic_store(atomic<T>* obj, T desr) noexcept;template <class T> void atomic_store_explicit(volatile atomic<T>* obj, T desr, memory_order m) noexcept;template <class T> void atomic_store_explicit(atomic<T>* obj, T desr, memory_order m) noexcept;template <class T> T atomic_load(const volatile atomic<T>* obj) noexcept;template <class T> T atomic_load(const atomic<T>* obj) noexcept;template <class T> T atomic_load_explicit(const volatile atomic<T>* obj, memory_order m) noexcept;template <class T> T atomic_load_explicit(const atomic<T>* obj, memory_order m) noexcept;template <class T> T atomic_exchange(volatile atomic<T>* obj, T desr) noexcept;template <class T> T atomic_exchange(atomic<T>* obj, T desr) noexcept;template <class T> T atomic_exchange_explicit(volatile atomic<T>* obj, T desr, memory_order m) noexcept;template <class T> T atomic_exchange_explicit(atomic<T>* obj, T desr, memory_order m) noexcept;template <class T> bool atomic_compare_exchange_weak(volatile atomic<T>* obj, T* expc, T desr) noexcept;template <class T> bool atomic_compare_exchange_weak(atomic<T>* obj, T* expc, T desr) noexcept;template <class T> bool atomic_compare_exchange_strong(volatile atomic<T>* obj, T* expc, T desr) noexcept;template <class T> bool atomic_compare_exchange_strong(atomic<T>* obj, T* expc, T desr) noexcept;template <class T> bool atomic_compare_exchange_weak_explicit(volatile atomic<T>* obj, T* expc, T desr, memory_order s, memory_order f) noexcept;template <class T> bool atomic_compare_exchange_weak_explicit(atomic<T>* obj, T* expc, T desr, memory_order s, memory_order f) noexcept;template <class T> bool atomic_compare_exchange_strong_explicit(volatile atomic<T>* obj, T* expc, T desr, memory_order s, memory_order f) noexcept;template <class T> bool atomic_compare_exchange_strong_explicit(atomic<T>* obj, T* expc, T desr, memory_order s, memory_order f) noexcept;template <class Integral> Integral atomic_fetch_add(volatile atomic<Integral>* obj, Integral op) noexcept;template <class Integral> Integral atomic_fetch_add(atomic<Integral>* obj, Integral op) noexcept;template <class Integral> Integral atomic_fetch_add_explicit(volatile atomic<Integral>* obj, Integral op, memory_order m) noexcept;template <class Integral> Integral atomic_fetch_add_explicit(atomic<Integral>* obj, Integral op, memory_order m) noexcept;template <class Integral> Integral atomic_fetch_sub(volatile atomic<Integral>* obj, Integral op) noexcept;template <class Integral> Integral atomic_fetch_sub(atomic<Integral>* obj, Integral op) noexcept;template <class Integral> Integral atomic_fetch_sub_explicit(volatile atomic<Integral>* obj, Integral op, memory_order m) noexcept;template <class Integral> Integral atomic_fetch_sub_explicit(atomic<Integral>* obj, Integral op, memory_order m) noexcept;template <class Integral> Integral atomic_fetch_and(volatile atomic<Integral>* obj, Integral op) noexcept;template <class Integral> Integral atomic_fetch_and(atomic<Integral>* obj, Integral op) noexcept;template <class Integral> Integral atomic_fetch_and_explicit(volatile atomic<Integral>* obj, Integral op, memory_order m) noexcept;template <class Integral> Integral atomic_fetch_and_explicit(atomic<Integral>* obj, Integral op, memory_order m) noexcept;template <class Integral> Integral atomic_fetch_or(volatile atomic<Integral>* obj, Integral op) noexcept;template <class Integral> Integral atomic_fetch_or(atomic<Integral>* obj, Integral op) noexcept;template <class Integral> Integral atomic_fetch_or_explicit(volatile atomic<Integral>* obj, Integral op, memory_order m) noexcept;template <class Integral> Integral atomic_fetch_or_explicit(atomic<Integral>* obj, Integral op, memory_order m) noexcept;template <class Integral> Integral atomic_fetch_xor(volatile atomic<Integral>* obj, Integral op) noexcept;template <class Integral> Integral atomic_fetch_xor(atomic<Integral>* obj, Integral op) noexcept;template <class Integral> Integral atomic_fetch_xor_explicit(volatile atomic<Integral>* obj, Integral op, memory_order m) noexcept;template <class Integral> Integral atomic_fetch_xor_explicit(atomic<Integral>* obj, Integral op, memory_order m) noexcept;template <class T> T* atomic_fetch_add(volatile atomic<T*>* obj, ptrdiff_t op) noexcept;template <class T> T* atomic_fetch_add(atomic<T*>* obj, ptrdiff_t op) noexcept;template <class T> T* atomic_fetch_add_explicit(volatile atomic<T*>* obj, ptrdiff_t op, memory_order m) noexcept;template <class T> T* atomic_fetch_add_explicit(atomic<T*>* obj, ptrdiff_t op, memory_order m) noexcept;template <class T> T* atomic_fetch_sub(volatile atomic<T*>* obj, ptrdiff_t op) noexcept;template <class T> T* atomic_fetch_sub(atomic<T*>* obj, ptrdiff_t op) noexcept;template <class T> T* atomic_fetch_sub_explicit(volatile atomic<T*>* obj, ptrdiff_t op, memory_order m) noexcept;template <class T> T* atomic_fetch_sub_explicit(atomic<T*>* obj, ptrdiff_t op, memory_order m) noexcept;// Atomics for standard typedef typestypedef atomic<bool> atomic_bool;typedef atomic<char> atomic_char;typedef atomic<signed char> atomic_schar;typedef atomic<unsigned char> atomic_uchar;typedef atomic<short> atomic_short;typedef atomic<unsigned short> atomic_ushort;typedef atomic<int> atomic_int;typedef atomic<unsigned int> atomic_uint;typedef atomic<long> atomic_long;typedef atomic<unsigned long> atomic_ulong;typedef atomic<long long> atomic_llong;typedef atomic<unsigned long long> atomic_ullong;typedef atomic<char16_t> atomic_char16_t;typedef atomic<char32_t> atomic_char32_t;typedef atomic<wchar_t> atomic_wchar_t;typedef atomic<int_least8_t> atomic_int_least8_t;typedef atomic<uint_least8_t> atomic_uint_least8_t;typedef atomic<int_least16_t> atomic_int_least16_t;typedef atomic<uint_least16_t> atomic_uint_least16_t;typedef atomic<int_least32_t> atomic_int_least32_t;typedef atomic<uint_least32_t> atomic_uint_least32_t;typedef atomic<int_least64_t> atomic_int_least64_t;typedef atomic<uint_least64_t> atomic_uint_least64_t;typedef atomic<int_fast8_t> atomic_int_fast8_t;typedef atomic<uint_fast8_t> atomic_uint_fast8_t;typedef atomic<int_fast16_t> atomic_int_fast16_t;typedef atomic<uint_fast16_t> atomic_uint_fast16_t;typedef atomic<int_fast32_t> atomic_int_fast32_t;typedef atomic<uint_fast32_t> atomic_uint_fast32_t;typedef atomic<int_fast64_t> atomic_int_fast64_t;typedef atomic<uint_fast64_t> atomic_uint_fast64_t;typedef atomic<int8_t> atomic_int8_t;typedef atomic<uint8_t> atomic_uint8_t;typedef atomic<int16_t> atomic_int16_t;typedef atomic<uint16_t> atomic_uint16_t;typedef atomic<int32_t> atomic_int32_t;typedef atomic<uint32_t> atomic_uint32_t;typedef atomic<int64_t> atomic_int64_t;typedef atomic<uint64_t> atomic_uint64_t;typedef atomic<intptr_t> atomic_intptr_t;typedef atomic<uintptr_t> atomic_uintptr_t;typedef atomic<size_t> atomic_size_t;typedef atomic<ptrdiff_t> atomic_ptrdiff_t;typedef atomic<intmax_t> atomic_intmax_t;typedef atomic<uintmax_t> atomic_uintmax_t;// fencesvoid atomic_thread_fence(memory_order m) noexcept;void atomic_signal_fence(memory_order m) noexcept;} // std*/#include <__config>#include <cstddef>#include <cstdint>#include <type_traits>#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)#pragma GCC system_header#endif#ifdef _LIBCPP_HAS_NO_THREADS#error <atomic> is not supported on this single threaded system#endif#if !defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)#error <atomic> is not implemented#endif#if _LIBCPP_STD_VER > 14# define __cpp_lib_atomic_is_always_lock_free 201603L#endif#define _LIBCPP_CHECK_STORE_MEMORY_ORDER(__m) \ _LIBCPP_DIAGNOSE_WARNING(__m == memory_order_consume || \ __m == memory_order_acquire || \ __m == memory_order_acq_rel, \ "memory order argument to atomic operation is invalid")#define _LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m) \ _LIBCPP_DIAGNOSE_WARNING(__m == memory_order_release || \ __m == memory_order_acq_rel, \ "memory order argument to atomic operation is invalid")#define _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__m, __f) \ _LIBCPP_DIAGNOSE_WARNING(__f == memory_order_release || \ __f == memory_order_acq_rel, \ "memory order argument to atomic operation is invalid")_LIBCPP_BEGIN_NAMESPACE_STDtypedef enum memory_order{ memory_order_relaxed, memory_order_consume, memory_order_acquire, memory_order_release, memory_order_acq_rel, memory_order_seq_cst} memory_order;#if defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)namespace __gcc_atomic {template <typename _Tp>struct __gcc_atomic_t {#if _GNUC_VER >= 501 static_assert(is_trivially_copyable<_Tp>::value, "std::atomic<Tp> requires that 'Tp' be a trivially copyable type");#endif _LIBCPP_INLINE_VISIBILITY#ifndef _LIBCPP_CXX03_LANG __gcc_atomic_t() _NOEXCEPT = default;#else __gcc_atomic_t() _NOEXCEPT : __a_value() {}#endif // _LIBCPP_CXX03_LANG _LIBCPP_CONSTEXPR explicit __gcc_atomic_t(_Tp value) _NOEXCEPT : __a_value(value) {} _Tp __a_value;};#define _Atomic(x) __gcc_atomic::__gcc_atomic_t<x>template <typename _Tp> _Tp __create();template <typename _Tp, typename _Td>typename enable_if<sizeof(_Tp()->__a_value = __create<_Td>()), char>::type __test_atomic_assignable(int);template <typename _Tp, typename _Up>__two __test_atomic_assignable(...);template <typename _Tp, typename _Td>struct __can_assign { static const bool value = sizeof(__test_atomic_assignable<_Tp, _Td>(1)) == sizeof(char);};static inline _LIBCPP_CONSTEXPR int __to_gcc_order(memory_order __order) { // Avoid switch statement to make this a constexpr. return __order == memory_order_relaxed ? __ATOMIC_RELAXED: (__order == memory_order_acquire ? __ATOMIC_ACQUIRE: (__order == memory_order_release ? __ATOMIC_RELEASE: (__order == memory_order_seq_cst ? __ATOMIC_SEQ_CST: (__order == memory_order_acq_rel ? __ATOMIC_ACQ_REL: __ATOMIC_CONSUME))));}static inline _LIBCPP_CONSTEXPR int __to_gcc_failure_order(memory_order __order) { // Avoid switch statement to make this a constexpr. return __order == memory_order_relaxed ? __ATOMIC_RELAXED: (__order == memory_order_acquire ? __ATOMIC_ACQUIRE: (__order == memory_order_release ? __ATOMIC_RELAXED: (__order == memory_order_seq_cst ? __ATOMIC_SEQ_CST: (__order == memory_order_acq_rel ? __ATOMIC_ACQUIRE: __ATOMIC_CONSUME))));}} // namespace __gcc_atomictemplate <typename _Tp>static inlinetypename enable_if< __gcc_atomic::__can_assign<volatile _Atomic(_Tp)*, _Tp>::value>::type__c11_atomic_init(volatile _Atomic(_Tp)* __a, _Tp __val) { __a->__a_value = __val;}template <typename _Tp>static inlinetypename enable_if< !__gcc_atomic::__can_assign<volatile _Atomic(_Tp)*, _Tp>::value && __gcc_atomic::__can_assign< _Atomic(_Tp)*, _Tp>::value>::type__c11_atomic_init(volatile _Atomic(_Tp)* __a, _Tp __val) { // [atomics.types.generic]p1 guarantees _Tp is trivially copyable. Because // the default operator= in an object is not volatile, a byte-by-byte copy // is required. volatile char* to = reinterpret_cast<volatile char*>(&__a->__a_value); volatile char* end = to + sizeof(_Tp); char* from = reinterpret_cast<char*>(&__val); while (to != end) { *to++ = *from++; }}template <typename _Tp>static inline void __c11_atomic_init(_Atomic(_Tp)* __a, _Tp __val) { __a->__a_value = __val;}static inline void __c11_atomic_thread_fence(memory_order __order) { __atomic_thread_fence(__gcc_atomic::__to_gcc_order(__order));}static inline void __c11_atomic_signal_fence(memory_order __order) { __atomic_signal_fence(__gcc_atomic::__to_gcc_order(__order));}template <typename _Tp>static inline void __c11_atomic_store(volatile _Atomic(_Tp)* __a, _Tp __val, memory_order __order) { return __atomic_store(&__a->__a_value, &__val, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp>static inline void __c11_atomic_store(_Atomic(_Tp)* __a, _Tp __val, memory_order __order) { __atomic_store(&__a->__a_value, &__val, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp>static inline _Tp __c11_atomic_load(volatile _Atomic(_Tp)* __a, memory_order __order) { _Tp __ret; __atomic_load(&__a->__a_value, &__ret, __gcc_atomic::__to_gcc_order(__order)); return __ret;}template <typename _Tp>static inline _Tp __c11_atomic_load(_Atomic(_Tp)* __a, memory_order __order) { _Tp __ret; __atomic_load(&__a->__a_value, &__ret, __gcc_atomic::__to_gcc_order(__order)); return __ret;}template <typename _Tp>static inline _Tp __c11_atomic_exchange(volatile _Atomic(_Tp)* __a, _Tp __value, memory_order __order) { _Tp __ret; __atomic_exchange(&__a->__a_value, &__value, &__ret, __gcc_atomic::__to_gcc_order(__order)); return __ret;}template <typename _Tp>static inline _Tp __c11_atomic_exchange(_Atomic(_Tp)* __a, _Tp __value, memory_order __order) { _Tp __ret; __atomic_exchange(&__a->__a_value, &__value, &__ret, __gcc_atomic::__to_gcc_order(__order)); return __ret;}template <typename _Tp>static inline bool __c11_atomic_compare_exchange_strong( volatile _Atomic(_Tp)* __a, _Tp* __expected, _Tp __value, memory_order __success, memory_order __failure) { return __atomic_compare_exchange(&__a->__a_value, __expected, &__value, false, __gcc_atomic::__to_gcc_order(__success), __gcc_atomic::__to_gcc_failure_order(__failure));}template <typename _Tp>static inline bool __c11_atomic_compare_exchange_strong( _Atomic(_Tp)* __a, _Tp* __expected, _Tp __value, memory_order __success, memory_order __failure) { return __atomic_compare_exchange(&__a->__a_value, __expected, &__value, false, __gcc_atomic::__to_gcc_order(__success), __gcc_atomic::__to_gcc_failure_order(__failure));}template <typename _Tp>static inline bool __c11_atomic_compare_exchange_weak( volatile _Atomic(_Tp)* __a, _Tp* __expected, _Tp __value, memory_order __success, memory_order __failure) { return __atomic_compare_exchange(&__a->__a_value, __expected, &__value, true, __gcc_atomic::__to_gcc_order(__success), __gcc_atomic::__to_gcc_failure_order(__failure));}template <typename _Tp>static inline bool __c11_atomic_compare_exchange_weak( _Atomic(_Tp)* __a, _Tp* __expected, _Tp __value, memory_order __success, memory_order __failure) { return __atomic_compare_exchange(&__a->__a_value, __expected, &__value, true, __gcc_atomic::__to_gcc_order(__success), __gcc_atomic::__to_gcc_failure_order(__failure));}template <typename _Tp>struct __skip_amt { enum {value = 1}; };template <typename _Tp>struct __skip_amt<_Tp*> { enum {value = sizeof(_Tp)}; };// FIXME: Haven't figured out what the spec says about using arrays with// atomic_fetch_add. Force a failure rather than creating bad behavior.template <typename _Tp>struct __skip_amt<_Tp[]> { };template <typename _Tp, int n>struct __skip_amt<_Tp[n]> { };template <typename _Tp, typename _Td>static inline _Tp __c11_atomic_fetch_add(volatile _Atomic(_Tp)* __a, _Td __delta, memory_order __order) { return __atomic_fetch_add(&__a->__a_value, __delta * __skip_amt<_Tp>::value, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp, typename _Td>static inline _Tp __c11_atomic_fetch_add(_Atomic(_Tp)* __a, _Td __delta, memory_order __order) { return __atomic_fetch_add(&__a->__a_value, __delta * __skip_amt<_Tp>::value, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp, typename _Td>static inline _Tp __c11_atomic_fetch_sub(volatile _Atomic(_Tp)* __a, _Td __delta, memory_order __order) { return __atomic_fetch_sub(&__a->__a_value, __delta * __skip_amt<_Tp>::value, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp, typename _Td>static inline _Tp __c11_atomic_fetch_sub(_Atomic(_Tp)* __a, _Td __delta, memory_order __order) { return __atomic_fetch_sub(&__a->__a_value, __delta * __skip_amt<_Tp>::value, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp>static inline _Tp __c11_atomic_fetch_and(volatile _Atomic(_Tp)* __a, _Tp __pattern, memory_order __order) { return __atomic_fetch_and(&__a->__a_value, __pattern, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp>static inline _Tp __c11_atomic_fetch_and(_Atomic(_Tp)* __a, _Tp __pattern, memory_order __order) { return __atomic_fetch_and(&__a->__a_value, __pattern, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp>static inline _Tp __c11_atomic_fetch_or(volatile _Atomic(_Tp)* __a, _Tp __pattern, memory_order __order) { return __atomic_fetch_or(&__a->__a_value, __pattern, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp>static inline _Tp __c11_atomic_fetch_or(_Atomic(_Tp)* __a, _Tp __pattern, memory_order __order) { return __atomic_fetch_or(&__a->__a_value, __pattern, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp>static inline _Tp __c11_atomic_fetch_xor(volatile _Atomic(_Tp)* __a, _Tp __pattern, memory_order __order) { return __atomic_fetch_xor(&__a->__a_value, __pattern, __gcc_atomic::__to_gcc_order(__order));}template <typename _Tp>static inline _Tp __c11_atomic_fetch_xor(_Atomic(_Tp)* __a, _Tp __pattern, memory_order __order) { return __atomic_fetch_xor(&__a->__a_value, __pattern, __gcc_atomic::__to_gcc_order(__order));}#endif // _LIBCPP_HAS_GCC_ATOMIC_IMPtemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tpkill_dependency(_Tp __y) _NOEXCEPT{ return __y;}#if defined(__CLANG_ATOMIC_BOOL_LOCK_FREE)# define ATOMIC_BOOL_LOCK_FREE __CLANG_ATOMIC_BOOL_LOCK_FREE# define ATOMIC_CHAR_LOCK_FREE __CLANG_ATOMIC_CHAR_LOCK_FREE# define ATOMIC_CHAR16_T_LOCK_FREE __CLANG_ATOMIC_CHAR16_T_LOCK_FREE# define ATOMIC_CHAR32_T_LOCK_FREE __CLANG_ATOMIC_CHAR32_T_LOCK_FREE# define ATOMIC_WCHAR_T_LOCK_FREE __CLANG_ATOMIC_WCHAR_T_LOCK_FREE# define ATOMIC_SHORT_LOCK_FREE __CLANG_ATOMIC_SHORT_LOCK_FREE# define ATOMIC_INT_LOCK_FREE __CLANG_ATOMIC_INT_LOCK_FREE# define ATOMIC_LONG_LOCK_FREE __CLANG_ATOMIC_LONG_LOCK_FREE# define ATOMIC_LLONG_LOCK_FREE __CLANG_ATOMIC_LLONG_LOCK_FREE# define ATOMIC_POINTER_LOCK_FREE __CLANG_ATOMIC_POINTER_LOCK_FREE#else# define ATOMIC_BOOL_LOCK_FREE __GCC_ATOMIC_BOOL_LOCK_FREE# define ATOMIC_CHAR_LOCK_FREE __GCC_ATOMIC_CHAR_LOCK_FREE# define ATOMIC_CHAR16_T_LOCK_FREE __GCC_ATOMIC_CHAR16_T_LOCK_FREE# define ATOMIC_CHAR32_T_LOCK_FREE __GCC_ATOMIC_CHAR32_T_LOCK_FREE# define ATOMIC_WCHAR_T_LOCK_FREE __GCC_ATOMIC_WCHAR_T_LOCK_FREE# define ATOMIC_SHORT_LOCK_FREE __GCC_ATOMIC_SHORT_LOCK_FREE# define ATOMIC_INT_LOCK_FREE __GCC_ATOMIC_INT_LOCK_FREE# define ATOMIC_LONG_LOCK_FREE __GCC_ATOMIC_LONG_LOCK_FREE# define ATOMIC_LLONG_LOCK_FREE __GCC_ATOMIC_LLONG_LOCK_FREE# define ATOMIC_POINTER_LOCK_FREE __GCC_ATOMIC_POINTER_LOCK_FREE#endif// general atomic<T>template <class _Tp, bool = is_integral<_Tp>::value && !is_same<_Tp, bool>::value>struct __atomic_base // false{ mutable _Atomic(_Tp) __a_;#if defined(__cpp_lib_atomic_is_always_lock_free) static _LIBCPP_CONSTEXPR bool is_always_lock_free = __atomic_always_lock_free(sizeof(__a_), 0);#endif _LIBCPP_INLINE_VISIBILITY bool is_lock_free() const volatile _NOEXCEPT {#if defined(_LIBCPP_HAS_C_ATOMIC_IMP) return __c11_atomic_is_lock_free(sizeof(_Tp));#else return __atomic_is_lock_free(sizeof(_Tp), 0);#endif } _LIBCPP_INLINE_VISIBILITY bool is_lock_free() const _NOEXCEPT {return static_cast<__atomic_base const volatile*>(this)->is_lock_free();} _LIBCPP_INLINE_VISIBILITY void store(_Tp __d, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT _LIBCPP_CHECK_STORE_MEMORY_ORDER(__m) {__c11_atomic_store(&__a_, __d, __m);} _LIBCPP_INLINE_VISIBILITY void store(_Tp __d, memory_order __m = memory_order_seq_cst) _NOEXCEPT _LIBCPP_CHECK_STORE_MEMORY_ORDER(__m) {__c11_atomic_store(&__a_, __d, __m);} _LIBCPP_INLINE_VISIBILITY _Tp load(memory_order __m = memory_order_seq_cst) const volatile _NOEXCEPT _LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m) {return __c11_atomic_load(&__a_, __m);} _LIBCPP_INLINE_VISIBILITY _Tp load(memory_order __m = memory_order_seq_cst) const _NOEXCEPT _LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m) {return __c11_atomic_load(&__a_, __m);} _LIBCPP_INLINE_VISIBILITY operator _Tp() const volatile _NOEXCEPT {return load();} _LIBCPP_INLINE_VISIBILITY operator _Tp() const _NOEXCEPT {return load();} _LIBCPP_INLINE_VISIBILITY _Tp exchange(_Tp __d, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_exchange(&__a_, __d, __m);} _LIBCPP_INLINE_VISIBILITY _Tp exchange(_Tp __d, memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_exchange(&__a_, __d, __m);} _LIBCPP_INLINE_VISIBILITY bool compare_exchange_weak(_Tp& __e, _Tp __d, memory_order __s, memory_order __f) volatile _NOEXCEPT _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f) {return __c11_atomic_compare_exchange_weak(&__a_, &__e, __d, __s, __f);} _LIBCPP_INLINE_VISIBILITY bool compare_exchange_weak(_Tp& __e, _Tp __d, memory_order __s, memory_order __f) _NOEXCEPT _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f) {return __c11_atomic_compare_exchange_weak(&__a_, &__e, __d, __s, __f);} _LIBCPP_INLINE_VISIBILITY bool compare_exchange_strong(_Tp& __e, _Tp __d, memory_order __s, memory_order __f) volatile _NOEXCEPT _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f) {return __c11_atomic_compare_exchange_strong(&__a_, &__e, __d, __s, __f);} _LIBCPP_INLINE_VISIBILITY bool compare_exchange_strong(_Tp& __e, _Tp __d, memory_order __s, memory_order __f) _NOEXCEPT _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f) {return __c11_atomic_compare_exchange_strong(&__a_, &__e, __d, __s, __f);} _LIBCPP_INLINE_VISIBILITY bool compare_exchange_weak(_Tp& __e, _Tp __d, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_compare_exchange_weak(&__a_, &__e, __d, __m, __m);} _LIBCPP_INLINE_VISIBILITY bool compare_exchange_weak(_Tp& __e, _Tp __d, memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_compare_exchange_weak(&__a_, &__e, __d, __m, __m);} _LIBCPP_INLINE_VISIBILITY bool compare_exchange_strong(_Tp& __e, _Tp __d, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_compare_exchange_strong(&__a_, &__e, __d, __m, __m);} _LIBCPP_INLINE_VISIBILITY bool compare_exchange_strong(_Tp& __e, _Tp __d, memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_compare_exchange_strong(&__a_, &__e, __d, __m, __m);} _LIBCPP_INLINE_VISIBILITY#ifndef _LIBCPP_CXX03_LANG __atomic_base() _NOEXCEPT = default;#else __atomic_base() _NOEXCEPT : __a_() {}#endif // _LIBCPP_CXX03_LANG _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR __atomic_base(_Tp __d) _NOEXCEPT : __a_(__d) {}#ifndef _LIBCPP_CXX03_LANG __atomic_base(const __atomic_base&) = delete; __atomic_base& operator=(const __atomic_base&) = delete; __atomic_base& operator=(const __atomic_base&) volatile = delete;#elseprivate: __atomic_base(const __atomic_base&); __atomic_base& operator=(const __atomic_base&); __atomic_base& operator=(const __atomic_base&) volatile;#endif};#if defined(__cpp_lib_atomic_is_always_lock_free)template <class _Tp, bool __b>_LIBCPP_CONSTEXPR bool __atomic_base<_Tp, __b>::is_always_lock_free;#endif// atomic<Integral>template <class _Tp>struct __atomic_base<_Tp, true> : public __atomic_base<_Tp, false>{ typedef __atomic_base<_Tp, false> __base; _LIBCPP_INLINE_VISIBILITY __atomic_base() _NOEXCEPT _LIBCPP_DEFAULT _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR __atomic_base(_Tp __d) _NOEXCEPT : __base(__d) {} _LIBCPP_INLINE_VISIBILITY _Tp fetch_add(_Tp __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_fetch_add(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp fetch_add(_Tp __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_fetch_add(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp fetch_sub(_Tp __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_fetch_sub(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp fetch_sub(_Tp __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_fetch_sub(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp fetch_and(_Tp __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_fetch_and(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp fetch_and(_Tp __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_fetch_and(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp fetch_or(_Tp __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_fetch_or(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp fetch_or(_Tp __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_fetch_or(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp fetch_xor(_Tp __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_fetch_xor(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp fetch_xor(_Tp __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_fetch_xor(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp operator++(int) volatile _NOEXCEPT {return fetch_add(_Tp(1));} _LIBCPP_INLINE_VISIBILITY _Tp operator++(int) _NOEXCEPT {return fetch_add(_Tp(1));} _LIBCPP_INLINE_VISIBILITY _Tp operator--(int) volatile _NOEXCEPT {return fetch_sub(_Tp(1));} _LIBCPP_INLINE_VISIBILITY _Tp operator--(int) _NOEXCEPT {return fetch_sub(_Tp(1));} _LIBCPP_INLINE_VISIBILITY _Tp operator++() volatile _NOEXCEPT {return fetch_add(_Tp(1)) + _Tp(1);} _LIBCPP_INLINE_VISIBILITY _Tp operator++() _NOEXCEPT {return fetch_add(_Tp(1)) + _Tp(1);} _LIBCPP_INLINE_VISIBILITY _Tp operator--() volatile _NOEXCEPT {return fetch_sub(_Tp(1)) - _Tp(1);} _LIBCPP_INLINE_VISIBILITY _Tp operator--() _NOEXCEPT {return fetch_sub(_Tp(1)) - _Tp(1);} _LIBCPP_INLINE_VISIBILITY _Tp operator+=(_Tp __op) volatile _NOEXCEPT {return fetch_add(__op) + __op;} _LIBCPP_INLINE_VISIBILITY _Tp operator+=(_Tp __op) _NOEXCEPT {return fetch_add(__op) + __op;} _LIBCPP_INLINE_VISIBILITY _Tp operator-=(_Tp __op) volatile _NOEXCEPT {return fetch_sub(__op) - __op;} _LIBCPP_INLINE_VISIBILITY _Tp operator-=(_Tp __op) _NOEXCEPT {return fetch_sub(__op) - __op;} _LIBCPP_INLINE_VISIBILITY _Tp operator&=(_Tp __op) volatile _NOEXCEPT {return fetch_and(__op) & __op;} _LIBCPP_INLINE_VISIBILITY _Tp operator&=(_Tp __op) _NOEXCEPT {return fetch_and(__op) & __op;} _LIBCPP_INLINE_VISIBILITY _Tp operator|=(_Tp __op) volatile _NOEXCEPT {return fetch_or(__op) | __op;} _LIBCPP_INLINE_VISIBILITY _Tp operator|=(_Tp __op) _NOEXCEPT {return fetch_or(__op) | __op;} _LIBCPP_INLINE_VISIBILITY _Tp operator^=(_Tp __op) volatile _NOEXCEPT {return fetch_xor(__op) ^ __op;} _LIBCPP_INLINE_VISIBILITY _Tp operator^=(_Tp __op) _NOEXCEPT {return fetch_xor(__op) ^ __op;}};// atomic<T>template <class _Tp>struct atomic : public __atomic_base<_Tp>{ typedef __atomic_base<_Tp> __base; _LIBCPP_INLINE_VISIBILITY atomic() _NOEXCEPT _LIBCPP_DEFAULT _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR atomic(_Tp __d) _NOEXCEPT : __base(__d) {} _LIBCPP_INLINE_VISIBILITY _Tp operator=(_Tp __d) volatile _NOEXCEPT {__base::store(__d); return __d;} _LIBCPP_INLINE_VISIBILITY _Tp operator=(_Tp __d) _NOEXCEPT {__base::store(__d); return __d;}};// atomic<T*>template <class _Tp>struct atomic<_Tp*> : public __atomic_base<_Tp*>{ typedef __atomic_base<_Tp*> __base; _LIBCPP_INLINE_VISIBILITY atomic() _NOEXCEPT _LIBCPP_DEFAULT _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR atomic(_Tp* __d) _NOEXCEPT : __base(__d) {} _LIBCPP_INLINE_VISIBILITY _Tp* operator=(_Tp* __d) volatile _NOEXCEPT {__base::store(__d); return __d;} _LIBCPP_INLINE_VISIBILITY _Tp* operator=(_Tp* __d) _NOEXCEPT {__base::store(__d); return __d;} _LIBCPP_INLINE_VISIBILITY _Tp* fetch_add(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_fetch_add(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp* fetch_add(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_fetch_add(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp* fetch_sub(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_fetch_sub(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp* fetch_sub(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_fetch_sub(&this->__a_, __op, __m);} _LIBCPP_INLINE_VISIBILITY _Tp* operator++(int) volatile _NOEXCEPT {return fetch_add(1);} _LIBCPP_INLINE_VISIBILITY _Tp* operator++(int) _NOEXCEPT {return fetch_add(1);} _LIBCPP_INLINE_VISIBILITY _Tp* operator--(int) volatile _NOEXCEPT {return fetch_sub(1);} _LIBCPP_INLINE_VISIBILITY _Tp* operator--(int) _NOEXCEPT {return fetch_sub(1);} _LIBCPP_INLINE_VISIBILITY _Tp* operator++() volatile _NOEXCEPT {return fetch_add(1) + 1;} _LIBCPP_INLINE_VISIBILITY _Tp* operator++() _NOEXCEPT {return fetch_add(1) + 1;} _LIBCPP_INLINE_VISIBILITY _Tp* operator--() volatile _NOEXCEPT {return fetch_sub(1) - 1;} _LIBCPP_INLINE_VISIBILITY _Tp* operator--() _NOEXCEPT {return fetch_sub(1) - 1;} _LIBCPP_INLINE_VISIBILITY _Tp* operator+=(ptrdiff_t __op) volatile _NOEXCEPT {return fetch_add(__op) + __op;} _LIBCPP_INLINE_VISIBILITY _Tp* operator+=(ptrdiff_t __op) _NOEXCEPT {return fetch_add(__op) + __op;} _LIBCPP_INLINE_VISIBILITY _Tp* operator-=(ptrdiff_t __op) volatile _NOEXCEPT {return fetch_sub(__op) - __op;} _LIBCPP_INLINE_VISIBILITY _Tp* operator-=(ptrdiff_t __op) _NOEXCEPT {return fetch_sub(__op) - __op;}};// atomic_is_lock_freetemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYboolatomic_is_lock_free(const volatile atomic<_Tp>* __o) _NOEXCEPT{ return __o->is_lock_free();}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYboolatomic_is_lock_free(const atomic<_Tp>* __o) _NOEXCEPT{ return __o->is_lock_free();}// atomic_inittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYvoidatomic_init(volatile atomic<_Tp>* __o, _Tp __d) _NOEXCEPT{ __c11_atomic_init(&__o->__a_, __d);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYvoidatomic_init(atomic<_Tp>* __o, _Tp __d) _NOEXCEPT{ __c11_atomic_init(&__o->__a_, __d);}// atomic_storetemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYvoidatomic_store(volatile atomic<_Tp>* __o, _Tp __d) _NOEXCEPT{ __o->store(__d);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYvoidatomic_store(atomic<_Tp>* __o, _Tp __d) _NOEXCEPT{ __o->store(__d);}// atomic_store_explicittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYvoidatomic_store_explicit(volatile atomic<_Tp>* __o, _Tp __d, memory_order __m) _NOEXCEPT _LIBCPP_CHECK_STORE_MEMORY_ORDER(__m){ __o->store(__d, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYvoidatomic_store_explicit(atomic<_Tp>* __o, _Tp __d, memory_order __m) _NOEXCEPT _LIBCPP_CHECK_STORE_MEMORY_ORDER(__m){ __o->store(__d, __m);}// atomic_loadtemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tpatomic_load(const volatile atomic<_Tp>* __o) _NOEXCEPT{ return __o->load();}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tpatomic_load(const atomic<_Tp>* __o) _NOEXCEPT{ return __o->load();}// atomic_load_explicittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tpatomic_load_explicit(const volatile atomic<_Tp>* __o, memory_order __m) _NOEXCEPT _LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m){ return __o->load(__m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tpatomic_load_explicit(const atomic<_Tp>* __o, memory_order __m) _NOEXCEPT _LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m){ return __o->load(__m);}// atomic_exchangetemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tpatomic_exchange(volatile atomic<_Tp>* __o, _Tp __d) _NOEXCEPT{ return __o->exchange(__d);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tpatomic_exchange(atomic<_Tp>* __o, _Tp __d) _NOEXCEPT{ return __o->exchange(__d);}// atomic_exchange_explicittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tpatomic_exchange_explicit(volatile atomic<_Tp>* __o, _Tp __d, memory_order __m) _NOEXCEPT{ return __o->exchange(__d, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tpatomic_exchange_explicit(atomic<_Tp>* __o, _Tp __d, memory_order __m) _NOEXCEPT{ return __o->exchange(__d, __m);}// atomic_compare_exchange_weaktemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYboolatomic_compare_exchange_weak(volatile atomic<_Tp>* __o, _Tp* __e, _Tp __d) _NOEXCEPT{ return __o->compare_exchange_weak(*__e, __d);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYboolatomic_compare_exchange_weak(atomic<_Tp>* __o, _Tp* __e, _Tp __d) _NOEXCEPT{ return __o->compare_exchange_weak(*__e, __d);}// atomic_compare_exchange_strongtemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYboolatomic_compare_exchange_strong(volatile atomic<_Tp>* __o, _Tp* __e, _Tp __d) _NOEXCEPT{ return __o->compare_exchange_strong(*__e, __d);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYboolatomic_compare_exchange_strong(atomic<_Tp>* __o, _Tp* __e, _Tp __d) _NOEXCEPT{ return __o->compare_exchange_strong(*__e, __d);}// atomic_compare_exchange_weak_explicittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYboolatomic_compare_exchange_weak_explicit(volatile atomic<_Tp>* __o, _Tp* __e, _Tp __d, memory_order __s, memory_order __f) _NOEXCEPT _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f){ return __o->compare_exchange_weak(*__e, __d, __s, __f);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYboolatomic_compare_exchange_weak_explicit(atomic<_Tp>* __o, _Tp* __e, _Tp __d, memory_order __s, memory_order __f) _NOEXCEPT _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f){ return __o->compare_exchange_weak(*__e, __d, __s, __f);}// atomic_compare_exchange_strong_explicittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYboolatomic_compare_exchange_strong_explicit(volatile atomic<_Tp>* __o, _Tp* __e, _Tp __d, memory_order __s, memory_order __f) _NOEXCEPT _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f){ return __o->compare_exchange_strong(*__e, __d, __s, __f);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYboolatomic_compare_exchange_strong_explicit(atomic<_Tp>* __o, _Tp* __e, _Tp __d, memory_order __s, memory_order __f) _NOEXCEPT _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f){ return __o->compare_exchange_strong(*__e, __d, __s, __f);}// atomic_fetch_addtemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_add(volatile atomic<_Tp>* __o, _Tp __op) _NOEXCEPT{ return __o->fetch_add(__op);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_add(atomic<_Tp>* __o, _Tp __op) _NOEXCEPT{ return __o->fetch_add(__op);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tp*atomic_fetch_add(volatile atomic<_Tp*>* __o, ptrdiff_t __op) _NOEXCEPT{ return __o->fetch_add(__op);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tp*atomic_fetch_add(atomic<_Tp*>* __o, ptrdiff_t __op) _NOEXCEPT{ return __o->fetch_add(__op);}// atomic_fetch_add_explicittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_add_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT{ return __o->fetch_add(__op, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_add_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT{ return __o->fetch_add(__op, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tp*atomic_fetch_add_explicit(volatile atomic<_Tp*>* __o, ptrdiff_t __op, memory_order __m) _NOEXCEPT{ return __o->fetch_add(__op, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tp*atomic_fetch_add_explicit(atomic<_Tp*>* __o, ptrdiff_t __op, memory_order __m) _NOEXCEPT{ return __o->fetch_add(__op, __m);}// atomic_fetch_subtemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_sub(volatile atomic<_Tp>* __o, _Tp __op) _NOEXCEPT{ return __o->fetch_sub(__op);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_sub(atomic<_Tp>* __o, _Tp __op) _NOEXCEPT{ return __o->fetch_sub(__op);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tp*atomic_fetch_sub(volatile atomic<_Tp*>* __o, ptrdiff_t __op) _NOEXCEPT{ return __o->fetch_sub(__op);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tp*atomic_fetch_sub(atomic<_Tp*>* __o, ptrdiff_t __op) _NOEXCEPT{ return __o->fetch_sub(__op);}// atomic_fetch_sub_explicittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_sub_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT{ return __o->fetch_sub(__op, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_sub_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT{ return __o->fetch_sub(__op, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tp*atomic_fetch_sub_explicit(volatile atomic<_Tp*>* __o, ptrdiff_t __op, memory_order __m) _NOEXCEPT{ return __o->fetch_sub(__op, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITY_Tp*atomic_fetch_sub_explicit(atomic<_Tp*>* __o, ptrdiff_t __op, memory_order __m) _NOEXCEPT{ return __o->fetch_sub(__op, __m);}// atomic_fetch_andtemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_and(volatile atomic<_Tp>* __o, _Tp __op) _NOEXCEPT{ return __o->fetch_and(__op);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_and(atomic<_Tp>* __o, _Tp __op) _NOEXCEPT{ return __o->fetch_and(__op);}// atomic_fetch_and_explicittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_and_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT{ return __o->fetch_and(__op, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_and_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT{ return __o->fetch_and(__op, __m);}// atomic_fetch_ortemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_or(volatile atomic<_Tp>* __o, _Tp __op) _NOEXCEPT{ return __o->fetch_or(__op);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_or(atomic<_Tp>* __o, _Tp __op) _NOEXCEPT{ return __o->fetch_or(__op);}// atomic_fetch_or_explicittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_or_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT{ return __o->fetch_or(__op, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_or_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT{ return __o->fetch_or(__op, __m);}// atomic_fetch_xortemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_xor(volatile atomic<_Tp>* __o, _Tp __op) _NOEXCEPT{ return __o->fetch_xor(__op);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_xor(atomic<_Tp>* __o, _Tp __op) _NOEXCEPT{ return __o->fetch_xor(__op);}// atomic_fetch_xor_explicittemplate <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_xor_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT{ return __o->fetch_xor(__op, __m);}template <class _Tp>inline _LIBCPP_INLINE_VISIBILITYtypename enable_if< is_integral<_Tp>::value && !is_same<_Tp, bool>::value, _Tp>::typeatomic_fetch_xor_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) _NOEXCEPT{ return __o->fetch_xor(__op, __m);}// flag type and operationstypedef struct atomic_flag{ _Atomic(bool) __a_; _LIBCPP_INLINE_VISIBILITY bool test_and_set(memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {return __c11_atomic_exchange(&__a_, true, __m);} _LIBCPP_INLINE_VISIBILITY bool test_and_set(memory_order __m = memory_order_seq_cst) _NOEXCEPT {return __c11_atomic_exchange(&__a_, true, __m);} _LIBCPP_INLINE_VISIBILITY void clear(memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {__c11_atomic_store(&__a_, false, __m);} _LIBCPP_INLINE_VISIBILITY void clear(memory_order __m = memory_order_seq_cst) _NOEXCEPT {__c11_atomic_store(&__a_, false, __m);} _LIBCPP_INLINE_VISIBILITY#ifndef _LIBCPP_CXX03_LANG atomic_flag() _NOEXCEPT = default;#else atomic_flag() _NOEXCEPT : __a_() {}#endif // _LIBCPP_CXX03_LANG _LIBCPP_INLINE_VISIBILITY atomic_flag(bool __b) _NOEXCEPT : __a_(__b) {} // EXTENSION#ifndef _LIBCPP_CXX03_LANG atomic_flag(const atomic_flag&) = delete; atomic_flag& operator=(const atomic_flag&) = delete; atomic_flag& operator=(const atomic_flag&) volatile = delete;#elseprivate: atomic_flag(const atomic_flag&); atomic_flag& operator=(const atomic_flag&); atomic_flag& operator=(const atomic_flag&) volatile;#endif} atomic_flag;inline _LIBCPP_INLINE_VISIBILITYboolatomic_flag_test_and_set(volatile atomic_flag* __o) _NOEXCEPT{ return __o->test_and_set();}inline _LIBCPP_INLINE_VISIBILITYboolatomic_flag_test_and_set(atomic_flag* __o) _NOEXCEPT{ return __o->test_and_set();}inline _LIBCPP_INLINE_VISIBILITYboolatomic_flag_test_and_set_explicit(volatile atomic_flag* __o, memory_order __m) _NOEXCEPT{ return __o->test_and_set(__m);}inline _LIBCPP_INLINE_VISIBILITYboolatomic_flag_test_and_set_explicit(atomic_flag* __o, memory_order __m) _NOEXCEPT{ return __o->test_and_set(__m);}inline _LIBCPP_INLINE_VISIBILITYvoidatomic_flag_clear(volatile atomic_flag* __o) _NOEXCEPT{ __o->clear();}inline _LIBCPP_INLINE_VISIBILITYvoidatomic_flag_clear(atomic_flag* __o) _NOEXCEPT{ __o->clear();}inline _LIBCPP_INLINE_VISIBILITYvoidatomic_flag_clear_explicit(volatile atomic_flag* __o, memory_order __m) _NOEXCEPT{ __o->clear(__m);}inline _LIBCPP_INLINE_VISIBILITYvoidatomic_flag_clear_explicit(atomic_flag* __o, memory_order __m) _NOEXCEPT{ __o->clear(__m);}// fencesinline _LIBCPP_INLINE_VISIBILITYvoidatomic_thread_fence(memory_order __m) _NOEXCEPT{ __c11_atomic_thread_fence(__m);}inline _LIBCPP_INLINE_VISIBILITYvoidatomic_signal_fence(memory_order __m) _NOEXCEPT{ __c11_atomic_signal_fence(__m);}// Atomics for standard typedef typestypedef atomic<bool> atomic_bool;typedef atomic<char> atomic_char;typedef atomic<signed char> atomic_schar;typedef atomic<unsigned char> atomic_uchar;typedef atomic<short> atomic_short;typedef atomic<unsigned short> atomic_ushort;typedef atomic<int> atomic_int;typedef atomic<unsigned int> atomic_uint;typedef atomic<long> atomic_long;typedef atomic<unsigned long> atomic_ulong;typedef atomic<long long> atomic_llong;typedef atomic<unsigned long long> atomic_ullong;typedef atomic<char16_t> atomic_char16_t;typedef atomic<char32_t> atomic_char32_t;typedef atomic<wchar_t> atomic_wchar_t;typedef atomic<int_least8_t> atomic_int_least8_t;typedef atomic<uint_least8_t> atomic_uint_least8_t;typedef atomic<int_least16_t> atomic_int_least16_t;typedef atomic<uint_least16_t> atomic_uint_least16_t;typedef atomic<int_least32_t> atomic_int_least32_t;typedef atomic<uint_least32_t> atomic_uint_least32_t;typedef atomic<int_least64_t> atomic_int_least64_t;typedef atomic<uint_least64_t> atomic_uint_least64_t;typedef atomic<int_fast8_t> atomic_int_fast8_t;typedef atomic<uint_fast8_t> atomic_uint_fast8_t;typedef atomic<int_fast16_t> atomic_int_fast16_t;typedef atomic<uint_fast16_t> atomic_uint_fast16_t;typedef atomic<int_fast32_t> atomic_int_fast32_t;typedef atomic<uint_fast32_t> atomic_uint_fast32_t;typedef atomic<int_fast64_t> atomic_int_fast64_t;typedef atomic<uint_fast64_t> atomic_uint_fast64_t;typedef atomic< int8_t> atomic_int8_t;typedef atomic<uint8_t> atomic_uint8_t;typedef atomic< int16_t> atomic_int16_t;typedef atomic<uint16_t> atomic_uint16_t;typedef atomic< int32_t> atomic_int32_t;typedef atomic<uint32_t> atomic_uint32_t;typedef atomic< int64_t> atomic_int64_t;typedef atomic<uint64_t> atomic_uint64_t;typedef atomic<intptr_t> atomic_intptr_t;typedef atomic<uintptr_t> atomic_uintptr_t;typedef atomic<size_t> atomic_size_t;typedef atomic<ptrdiff_t> atomic_ptrdiff_t;typedef atomic<intmax_t> atomic_intmax_t;typedef atomic<uintmax_t> atomic_uintmax_t;#define ATOMIC_FLAG_INIT {false}#define ATOMIC_VAR_INIT(__v) {__v}_LIBCPP_END_NAMESPACE_STD#endif // _LIBCPP_ATOMIC