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Diffstat (limited to 'include/atomic')
| -rw-r--r-- | include/atomic | 1515 |
1 files changed, 1515 insertions, 0 deletions
diff --git a/include/atomic b/include/atomic new file mode 100644 index 000000000000..244f42d0aafa --- /dev/null +++ b/include/atomic @@ -0,0 +1,1515 @@ +// -*- 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 synopsis + +namespace std +{ + +// order and consistency + +typedef 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); + +// lock-free property + +#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 + +// flag type and operations + +typedef struct atomic_flag +{ + bool test_and_set(memory_order m = memory_order_seq_cst) volatile; + bool test_and_set(memory_order m = memory_order_seq_cst); + void clear(memory_order m = memory_order_seq_cst) volatile; + void clear(memory_order m = memory_order_seq_cst); + atomic_flag() = 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); + +bool + atomic_flag_test_and_set(atomic_flag* obj); + +bool + atomic_flag_test_and_set_explicit(volatile atomic_flag* obj, + memory_order m); + +bool + atomic_flag_test_and_set_explicit(atomic_flag* obj, memory_order m); + +void + atomic_flag_clear(volatile atomic_flag* obj); + +void + atomic_flag_clear(atomic_flag* obj); + +void + atomic_flag_clear_explicit(volatile atomic_flag* obj, memory_order m); + +void + atomic_flag_clear_explicit(atomic_flag* obj, memory_order m); + +#define ATOMIC_FLAG_INIT see below +#define ATOMIC_VAR_INIT(value) see below + +template <class T> +struct atomic +{ + bool is_lock_free() const volatile; + bool is_lock_free() const; + void store(T desr, memory_order m = memory_order_seq_cst) volatile; + void store(T desr, memory_order m = memory_order_seq_cst); + T load(memory_order m = memory_order_seq_cst) const volatile; + T load(memory_order m = memory_order_seq_cst) const; + operator T() const volatile; + operator T() const; + T exchange(T desr, memory_order m = memory_order_seq_cst) volatile; + T exchange(T desr, memory_order m = memory_order_seq_cst); + bool compare_exchange_weak(T& expc, T desr, + memory_order s, memory_order f) volatile; + bool compare_exchange_weak(T& expc, T desr, memory_order s, memory_order f); + bool compare_exchange_strong(T& expc, T desr, + memory_order s, memory_order f) volatile; + bool compare_exchange_strong(T& expc, T desr, + memory_order s, memory_order f); + bool compare_exchange_weak(T& expc, T desr, + memory_order m = memory_order_seq_cst) volatile; + bool compare_exchange_weak(T& expc, T desr, + memory_order m = memory_order_seq_cst); + bool compare_exchange_strong(T& expc, T desr, + memory_order m = memory_order_seq_cst) volatile; + bool compare_exchange_strong(T& expc, T desr, + memory_order m = memory_order_seq_cst); + + atomic() = default; + constexpr atomic(T desr); + atomic(const atomic&) = delete; + atomic& operator=(const atomic&) = delete; + atomic& operator=(const atomic&) volatile = delete; + T operator=(T) volatile; + T operator=(T); +}; + +template <> +struct atomic<integral> +{ + bool is_lock_free() const volatile; + bool is_lock_free() const; + void store(integral desr, memory_order m = memory_order_seq_cst) volatile; + void store(integral desr, memory_order m = memory_order_seq_cst); + integral load(memory_order m = memory_order_seq_cst) const volatile; + integral load(memory_order m = memory_order_seq_cst) const; + operator integral() const volatile; + operator integral() const; + integral exchange(integral desr, + memory_order m = memory_order_seq_cst) volatile; + integral exchange(integral desr, memory_order m = memory_order_seq_cst); + bool compare_exchange_weak(integral& expc, integral desr, + memory_order s, memory_order f) volatile; + bool compare_exchange_weak(integral& expc, integral desr, + memory_order s, memory_order f); + bool compare_exchange_strong(integral& expc, integral desr, + memory_order s, memory_order f) volatile; + bool compare_exchange_strong(integral& expc, integral desr, + memory_order s, memory_order f); + bool compare_exchange_weak(integral& expc, integral desr, + memory_order m = memory_order_seq_cst) volatile; + bool compare_exchange_weak(integral& expc, integral desr, + memory_order m = memory_order_seq_cst); + bool compare_exchange_strong(integral& expc, integral desr, + memory_order m = memory_order_seq_cst) volatile; + bool compare_exchange_strong(integral& expc, integral desr, + memory_order m = memory_order_seq_cst); + + integral + fetch_add(integral op, memory_order m = memory_order_seq_cst) volatile; + integral fetch_add(integral op, memory_order m = memory_order_seq_cst); + integral + fetch_sub(integral op, memory_order m = memory_order_seq_cst) volatile; + integral fetch_sub(integral op, memory_order m = memory_order_seq_cst); + integral + fetch_and(integral op, memory_order m = memory_order_seq_cst) volatile; + integral fetch_and(integral op, memory_order m = memory_order_seq_cst); + integral + fetch_or(integral op, memory_order m = memory_order_seq_cst) volatile; + integral fetch_or(integral op, memory_order m = memory_order_seq_cst); + integral + fetch_xor(integral op, memory_order m = memory_order_seq_cst) volatile; + integral fetch_xor(integral op, memory_order m = memory_order_seq_cst); + + atomic() = default; + constexpr atomic(integral desr); + atomic(const atomic&) = delete; + atomic& operator=(const atomic&) = delete; + atomic& operator=(const atomic&) volatile = delete; + integral operator=(integral desr) volatile; + integral operator=(integral desr); + + integral operator++(int) volatile; + integral operator++(int); + integral operator--(int) volatile; + integral operator--(int); + integral operator++() volatile; + integral operator++(); + integral operator--() volatile; + integral operator--(); + integral operator+=(integral op) volatile; + integral operator+=(integral op); + integral operator-=(integral op) volatile; + integral operator-=(integral op); + integral operator&=(integral op) volatile; + integral operator&=(integral op); + integral operator|=(integral op) volatile; + integral operator|=(integral op); + integral operator^=(integral op) volatile; + integral operator^=(integral op); +}; + +template <class T> +struct atomic<T*> +{ + bool is_lock_free() const volatile; + bool is_lock_free() const; + void store(T* desr, memory_order m = memory_order_seq_cst) volatile; + void store(T* desr, memory_order m = memory_order_seq_cst); + T* load(memory_order m = memory_order_seq_cst) const volatile; + T* load(memory_order m = memory_order_seq_cst) const; + operator T*() const volatile; + operator T*() const; + T* exchange(T* desr, memory_order m = memory_order_seq_cst) volatile; + T* exchange(T* desr, memory_order m = memory_order_seq_cst); + bool compare_exchange_weak(T*& expc, T* desr, + memory_order s, memory_order f) volatile; + bool compare_exchange_weak(T*& expc, T* desr, + memory_order s, memory_order f); + bool compare_exchange_strong(T*& expc, T* desr, + memory_order s, memory_order f) volatile; + bool compare_exchange_strong(T*& expc, T* desr, + memory_order s, memory_order f); + bool compare_exchange_weak(T*& expc, T* desr, + memory_order m = memory_order_seq_cst) volatile; + bool compare_exchange_weak(T*& expc, T* desr, + memory_order m = memory_order_seq_cst); + bool compare_exchange_strong(T*& expc, T* desr, + memory_order m = memory_order_seq_cst) volatile; + bool compare_exchange_strong(T*& expc, T* desr, + memory_order m = memory_order_seq_cst); + T* fetch_add(ptrdiff_t op, memory_order m = memory_order_seq_cst) volatile; + T* fetch_add(ptrdiff_t op, memory_order m = memory_order_seq_cst); + T* fetch_sub(ptrdiff_t op, memory_order m = memory_order_seq_cst) volatile; + T* fetch_sub(ptrdiff_t op, memory_order m = memory_order_seq_cst); + + atomic() = default; + constexpr atomic(T* desr); + atomic(const atomic&) = delete; + atomic& operator=(const atomic&) = delete; + atomic& operator=(const atomic&) volatile = delete; + + T* operator=(T*) volatile; + T* operator=(T*); + T* operator++(int) volatile; + T* operator++(int); + T* operator--(int) volatile; + T* operator--(int); + T* operator++() volatile; + T* operator++(); + T* operator--() volatile; + T* operator--(); + T* operator+=(ptrdiff_t op) volatile; + T* operator+=(ptrdiff_t op); + T* operator-=(ptrdiff_t op) volatile; + T* operator-=(ptrdiff_t op); +}; + + +template <class T> + bool + atomic_is_lock_free(const volatile atomic<T>* obj); + +template <class T> + bool + atomic_is_lock_free(const atomic<T>* obj); + +template <class T> + void + atomic_init(volatile atomic<T>* obj, T desr); + +template <class T> + void + atomic_init(atomic<T>* obj, T desr); + +template <class T> + void + atomic_store(volatile atomic<T>* obj, T desr); + +template <class T> + void + atomic_store(atomic<T>* obj, T desr); + +template <class T> + void + atomic_store_explicit(volatile atomic<T>* obj, T desr, memory_order m); + +template <class T> + void + atomic_store_explicit(atomic<T>* obj, T desr, memory_order m); + +template <class T> + T + atomic_load(const volatile atomic<T>* obj); + +template <class T> + T + atomic_load(const atomic<T>* obj); + +template <class T> + T + atomic_load_explicit(const volatile atomic<T>* obj, memory_order m); + +template <class T> + T + atomic_load_explicit(const atomic<T>* obj, memory_order m); + +template <class T> + T + atomic_exchange(volatile atomic<T>* obj, T desr); + +template <class T> + T + atomic_exchange(atomic<T>* obj, T desr); + +template <class T> + T + atomic_exchange_explicit(volatile atomic<T>* obj, T desr, memory_order m); + +template <class T> + T + atomic_exchange_explicit(atomic<T>* obj, T desr, memory_order m); + +template <class T> + bool + atomic_compare_exchange_weak(volatile atomic<T>* obj, T* expc, T desr); + +template <class T> + bool + atomic_compare_exchange_weak(atomic<T>* obj, T* expc, T desr); + +template <class T> + bool + atomic_compare_exchange_strong(volatile atomic<T>* obj, T* expc, T desr); + +template <class T> + bool + atomic_compare_exchange_strong(atomic<T>* obj, T* expc, T desr); + +template <class T> + bool + atomic_compare_exchange_weak_explicit(volatile atomic<T>* obj, T* expc, + T desr, + memory_order s, memory_order f); + +template <class T> + bool + atomic_compare_exchange_weak_explicit(atomic<T>* obj, T* expc, T desr, + memory_order s, memory_order f); + +template <class T> + bool + atomic_compare_exchange_strong_explicit(volatile atomic<T>* obj, + T* expc, T desr, + memory_order s, memory_order f); + +template <class T> + bool + atomic_compare_exchange_strong_explicit(atomic<T>* obj, T* expc, + T desr, + memory_order s, memory_order f); + +template <class Integral> + Integral + atomic_fetch_add(volatile atomic<Integral>* obj, Integral op); + +template <class Integral> + Integral + atomic_fetch_add(atomic<Integral>* obj, Integral op); + +template <class Integral> + Integral + atomic_fetch_add_explicit(volatile atomic<Integral>* obj, Integral op, + memory_order m); +template <class Integral> + Integral + atomic_fetch_add_explicit(atomic<Integral>* obj, Integral op, + memory_order m); +template <class Integral> + Integral + atomic_fetch_sub(volatile atomic<Integral>* obj, Integral op); + +template <class Integral> + Integral + atomic_fetch_sub(atomic<Integral>* obj, Integral op); + +template <class Integral> + Integral + atomic_fetch_sub_explicit(volatile atomic<Integral>* obj, Integral op, + memory_order m); +template <class Integral> + Integral + atomic_fetch_sub_explicit(atomic<Integral>* obj, Integral op, + memory_order m); +template <class Integral> + Integral + atomic_fetch_and(volatile atomic<Integral>* obj, Integral op); + +template <class Integral> + Integral + atomic_fetch_and(atomic<Integral>* obj, Integral op); + +template <class Integral> + Integral + atomic_fetch_and_explicit(volatile atomic<Integral>* obj, Integral op, + memory_order m); +template <class Integral> + Integral + atomic_fetch_and_explicit(atomic<Integral>* obj, Integral op, + memory_order m); +template <class Integral> + Integral + atomic_fetch_or(volatile atomic<Integral>* obj, Integral op); + +template <class Integral> + Integral + atomic_fetch_or(atomic<Integral>* obj, Integral op); + +template <class Integral> + Integral + atomic_fetch_or_explicit(volatile atomic<Integral>* obj, Integral op, + memory_order m); +template <class Integral> + Integral + atomic_fetch_or_explicit(atomic<Integral>* obj, Integral op, + memory_order m); +template <class Integral> + Integral + atomic_fetch_xor(volatile atomic<Integral>* obj, Integral op); + +template <class Integral> + Integral + atomic_fetch_xor(atomic<Integral>* obj, Integral op); + +template <class Integral> + Integral + atomic_fetch_xor_explicit(volatile atomic<Integral>* obj, Integral op, + memory_order m); +template <class Integral> + Integral + atomic_fetch_xor_explicit(atomic<Integral>* obj, Integral op, + memory_order m); + +template <class T> + T* + atomic_fetch_add(volatile atomic<T*>* obj, ptrdiff_t op); + +template <class T> + T* + atomic_fetch_add(atomic<T*>* obj, ptrdiff_t op); + +template <class T> + T* + atomic_fetch_add_explicit(volatile atomic<T*>* obj, ptrdiff_t op, + memory_order m); +template <class T> + T* + atomic_fetch_add_explicit(atomic<T*>* obj, ptrdiff_t op, memory_order m); + +template <class T> + T* + atomic_fetch_sub(volatile atomic<T*>* obj, ptrdiff_t op); + +template <class T> + T* + atomic_fetch_sub(atomic<T*>* obj, ptrdiff_t op); + +template <class T> + T* + atomic_fetch_sub_explicit(volatile atomic<T*>* obj, ptrdiff_t op, + memory_order m); +template <class T> + T* + atomic_fetch_sub_explicit(atomic<T*>* obj, ptrdiff_t op, memory_order m); + +// Atomics for standard typedef types + +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<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; + +// fences + +void atomic_thread_fence(memory_order m); +void atomic_signal_fence(memory_order m); + +} // std + +*/ + +#include <__config> +#include <cstddef> +#include <cstdint> +#include <type_traits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if !__has_feature(cxx_atomic) +#error <atomic> is not implemented +#else + +typedef 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; + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp +kill_dependency(_Tp __y) +{ + return __y; +} + +// general atomic<T> + +template <class _Tp, bool = is_integral<_Tp>::value && !is_same<_Tp, bool>::value> +struct __atomic_base // false +{ + _Tp __a_; + + _LIBCPP_INLINE_VISIBILITY + bool is_lock_free() const volatile + {return __atomic_is_lock_free(_Tp());} + _LIBCPP_INLINE_VISIBILITY + bool is_lock_free() const + {return __atomic_is_lock_free(_Tp());} + _LIBCPP_INLINE_VISIBILITY + void store(_Tp __d, memory_order __m = memory_order_seq_cst) volatile + {__atomic_store(&__a_, __d, __m);} + _LIBCPP_INLINE_VISIBILITY + void store(_Tp __d, memory_order __m = memory_order_seq_cst) + {__atomic_store(&__a_, __d, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp load(memory_order __m = memory_order_seq_cst) const volatile + {return __atomic_load(&__a_, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp load(memory_order __m = memory_order_seq_cst) const + {return __atomic_load(&__a_, __m);} + _LIBCPP_INLINE_VISIBILITY + operator _Tp() const volatile {return load();} + _LIBCPP_INLINE_VISIBILITY + operator _Tp() const {return load();} + _LIBCPP_INLINE_VISIBILITY + _Tp exchange(_Tp __d, memory_order __m = memory_order_seq_cst) volatile + {return __atomic_exchange(&__a_, __d, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp exchange(_Tp __d, memory_order __m = memory_order_seq_cst) + {return __atomic_exchange(&__a_, __d, __m);} + _LIBCPP_INLINE_VISIBILITY + bool compare_exchange_weak(_Tp& __e, _Tp __d, + memory_order __s, memory_order __f) volatile + {return __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) + {return __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 + {return __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) + {return __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 + {return __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) + {return __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 + {return __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) + {return __atomic_compare_exchange_strong(&__a_, &__e, __d, __m, __m);} + + _LIBCPP_INLINE_VISIBILITY + __atomic_base() {} // = default; + _LIBCPP_INLINE_VISIBILITY + /*constexpr*/ __atomic_base(_Tp __d) : __a_(__d) {} +#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS + __atomic_base(const __atomic_base&) = delete; + __atomic_base& operator=(const __atomic_base&) = delete; + __atomic_base& operator=(const __atomic_base&) volatile = delete; +#else // _LIBCPP_HAS_NO_DELETED_FUNCTIONS +private: + __atomic_base(const __atomic_base&); + __atomic_base& operator=(const __atomic_base&); + __atomic_base& operator=(const __atomic_base&) volatile; +#endif // _LIBCPP_HAS_NO_DELETED_FUNCTIONS +}; + +// 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() {} // = default; + _LIBCPP_INLINE_VISIBILITY + /*constexpr*/ __atomic_base(_Tp __d) : __base(__d) {} + + _LIBCPP_INLINE_VISIBILITY + _Tp fetch_add(_Tp __op, memory_order __m = memory_order_seq_cst) volatile + {return __atomic_fetch_add(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp fetch_add(_Tp __op, memory_order __m = memory_order_seq_cst) + {return __atomic_fetch_add(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp fetch_sub(_Tp __op, memory_order __m = memory_order_seq_cst) volatile + {return __atomic_fetch_sub(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp fetch_sub(_Tp __op, memory_order __m = memory_order_seq_cst) + {return __atomic_fetch_sub(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp fetch_and(_Tp __op, memory_order __m = memory_order_seq_cst) volatile + {return __atomic_fetch_and(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp fetch_and(_Tp __op, memory_order __m = memory_order_seq_cst) + {return __atomic_fetch_and(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp fetch_or(_Tp __op, memory_order __m = memory_order_seq_cst) volatile + {return __atomic_fetch_or(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp fetch_or(_Tp __op, memory_order __m = memory_order_seq_cst) + {return __atomic_fetch_or(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp fetch_xor(_Tp __op, memory_order __m = memory_order_seq_cst) volatile + {return __atomic_fetch_xor(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp fetch_xor(_Tp __op, memory_order __m = memory_order_seq_cst) + {return __atomic_fetch_xor(&this->__a_, __op, __m);} + + _LIBCPP_INLINE_VISIBILITY + _Tp operator++(int) volatile {return fetch_add(_Tp(1));} + _LIBCPP_INLINE_VISIBILITY + _Tp operator++(int) {return fetch_add(_Tp(1));} + _LIBCPP_INLINE_VISIBILITY + _Tp operator--(int) volatile {return fetch_sub(_Tp(1));} + _LIBCPP_INLINE_VISIBILITY + _Tp operator--(int) {return fetch_sub(_Tp(1));} + _LIBCPP_INLINE_VISIBILITY + _Tp operator++() volatile {return fetch_add(_Tp(1)) + _Tp(1);} + _LIBCPP_INLINE_VISIBILITY + _Tp operator++() {return fetch_add(_Tp(1)) + _Tp(1);} + _LIBCPP_INLINE_VISIBILITY + _Tp operator--() volatile {return fetch_sub(_Tp(1)) - _Tp(1);} + _LIBCPP_INLINE_VISIBILITY + _Tp operator--() {return fetch_sub(_Tp(1)) - _Tp(1);} + _LIBCPP_INLINE_VISIBILITY + _Tp operator+=(_Tp __op) volatile {return fetch_add(__op) + __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp operator+=(_Tp __op) {return fetch_add(__op) + __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp operator-=(_Tp __op) volatile {return fetch_sub(__op) - __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp operator-=(_Tp __op) {return fetch_sub(__op) - __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp operator&=(_Tp __op) volatile {return fetch_and(__op) & __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp operator&=(_Tp __op) {return fetch_and(__op) & __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp operator|=(_Tp __op) volatile {return fetch_or(__op) | __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp operator|=(_Tp __op) {return fetch_or(__op) | __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp operator^=(_Tp __op) volatile {return fetch_xor(__op) ^ __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp operator^=(_Tp __op) {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() {} // = default; + _LIBCPP_INLINE_VISIBILITY + /*constexpr*/ atomic(_Tp __d) : __base(__d) {} + + _LIBCPP_INLINE_VISIBILITY + _Tp operator=(_Tp __d) volatile + {__base::store(__d); return __d;} + _LIBCPP_INLINE_VISIBILITY + _Tp operator=(_Tp __d) + {__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() {} // = default; + _LIBCPP_INLINE_VISIBILITY + /*constexpr*/ atomic(_Tp* __d) : __base(__d) {} + + _LIBCPP_INLINE_VISIBILITY + _Tp* operator=(_Tp* __d) volatile + {__base::store(__d); return __d;} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator=(_Tp* __d) + {__base::store(__d); return __d;} + + _LIBCPP_INLINE_VISIBILITY + _Tp* fetch_add(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) + volatile + {return __atomic_fetch_add(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp* fetch_add(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) + {return __atomic_fetch_add(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp* fetch_sub(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) + volatile + {return __atomic_fetch_sub(&this->__a_, __op, __m);} + _LIBCPP_INLINE_VISIBILITY + _Tp* fetch_sub(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) + {return __atomic_fetch_sub(&this->__a_, __op, __m);} + + _LIBCPP_INLINE_VISIBILITY + _Tp* operator++(int) volatile {return fetch_add(1);} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator++(int) {return fetch_add(1);} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator--(int) volatile {return fetch_sub(1);} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator--(int) {return fetch_sub(1);} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator++() volatile {return fetch_add(1) + 1;} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator++() {return fetch_add(1) + 1;} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator--() volatile {return fetch_sub(1) - 1;} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator--() {return fetch_sub(1) - 1;} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator+=(ptrdiff_t __op) volatile {return fetch_add(__op) + __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator+=(ptrdiff_t __op) {return fetch_add(__op) + __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator-=(ptrdiff_t __op) volatile {return fetch_sub(__op) - __op;} + _LIBCPP_INLINE_VISIBILITY + _Tp* operator-=(ptrdiff_t __op) {return fetch_sub(__op) - __op;} +}; + +// atomic_is_lock_free + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_is_lock_free(const volatile atomic<_Tp>* __o) +{ + return __o->is_lock_free(); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_is_lock_free(const atomic<_Tp>* __o) +{ + return __o->is_lock_free(); +} + +// atomic_init + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_init(volatile atomic<_Tp>* __o, _Tp __d) +{ + __o->__a_ = __d; +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_init(atomic<_Tp>* __o, _Tp __d) +{ + __o->__a_ = __d; +} + +// atomic_store + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_store(volatile atomic<_Tp>* __o, _Tp __d) +{ + __o->store(__d); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_store(atomic<_Tp>* __o, _Tp __d) +{ + __o->store(__d); +} + +// atomic_store_explicit + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_store_explicit(volatile atomic<_Tp>* __o, _Tp __d, memory_order __m) +{ + __o->store(__d, __m); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_store_explicit(atomic<_Tp>* __o, _Tp __d, memory_order __m) +{ + __o->store(__d, __m); +} + +// atomic_load + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp +atomic_load(const volatile atomic<_Tp>* __o) +{ + return __o->load(); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp +atomic_load(const atomic<_Tp>* __o) +{ + return __o->load(); +} + +// atomic_load_explicit + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp +atomic_load_explicit(const volatile atomic<_Tp>* __o, memory_order __m) +{ + return __o->load(__m); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp +atomic_load_explicit(const atomic<_Tp>* __o, memory_order __m) +{ + return __o->load(__m); +} + +// atomic_exchange + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp +atomic_exchange(volatile atomic<_Tp>* __o, _Tp __d) +{ + return __o->exchange(__d); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp +atomic_exchange(atomic<_Tp>* __o, _Tp __d) +{ + return __o->exchange(__d); +} + +// atomic_exchange_explicit + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp +atomic_exchange_explicit(volatile atomic<_Tp>* __o, _Tp __d, memory_order __m) +{ + return __o->exchange(__d, __m); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp +atomic_exchange_explicit(atomic<_Tp>* __o, _Tp __d, memory_order __m) +{ + return __o->exchange(__d, __m); +} + +// atomic_compare_exchange_weak + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_compare_exchange_weak(volatile atomic<_Tp>* __o, _Tp* __e, _Tp __d) +{ + return __o->compare_exchange_weak(*__e, __d); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_compare_exchange_weak(atomic<_Tp>* __o, _Tp* __e, _Tp __d) +{ + return __o->compare_exchange_weak(*__e, __d); +} + +// atomic_compare_exchange_strong + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_compare_exchange_strong(volatile atomic<_Tp>* __o, _Tp* __e, _Tp __d) +{ + return __o->compare_exchange_strong(*__e, __d); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_compare_exchange_strong(atomic<_Tp>* __o, _Tp* __e, _Tp __d) +{ + return __o->compare_exchange_strong(*__e, __d); +} + +// atomic_compare_exchange_weak_explicit + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_compare_exchange_weak_explicit(volatile atomic<_Tp>* __o, _Tp* __e, + _Tp __d, + memory_order __s, memory_order __f) +{ + return __o->compare_exchange_weak(*__e, __d, __s, __f); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_compare_exchange_weak_explicit(atomic<_Tp>* __o, _Tp* __e, _Tp __d, + memory_order __s, memory_order __f) +{ + return __o->compare_exchange_weak(*__e, __d, __s, __f); +} + +// atomic_compare_exchange_strong_explicit + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_compare_exchange_strong_explicit(volatile atomic<_Tp>* __o, + _Tp* __e, _Tp __d, + memory_order __s, memory_order __f) +{ + return __o->compare_exchange_strong(*__e, __d, __s, __f); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_compare_exchange_strong_explicit(atomic<_Tp>* __o, _Tp* __e, + _Tp __d, + memory_order __s, memory_order __f) +{ + return __o->compare_exchange_strong(*__e, __d, __s, __f); +} + +// atomic_fetch_add + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_add(volatile atomic<_Tp>* __o, _Tp __op) +{ + return __o->fetch_add(__op); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_add(atomic<_Tp>* __o, _Tp __op) +{ + return __o->fetch_add(__op); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp* +atomic_fetch_add(volatile atomic<_Tp*>* __o, ptrdiff_t __op) +{ + return __o->fetch_add(__op); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp* +atomic_fetch_add(atomic<_Tp*>* __o, ptrdiff_t __op) +{ + return __o->fetch_add(__op); +} + +// atomic_fetch_add_explicit + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_add_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) +{ + return __o->fetch_add(__op, __m); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_add_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) +{ + 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) +{ + 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) +{ + return __o->fetch_add(__op, __m); +} + +// atomic_fetch_sub + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_sub(volatile atomic<_Tp>* __o, _Tp __op) +{ + return __o->fetch_sub(__op); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_sub(atomic<_Tp>* __o, _Tp __op) +{ + return __o->fetch_sub(__op); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp* +atomic_fetch_sub(volatile atomic<_Tp*>* __o, ptrdiff_t __op) +{ + return __o->fetch_sub(__op); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +_Tp* +atomic_fetch_sub(atomic<_Tp*>* __o, ptrdiff_t __op) +{ + return __o->fetch_sub(__op); +} + +// atomic_fetch_sub_explicit + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_sub_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) +{ + return __o->fetch_sub(__op, __m); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_sub_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) +{ + 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) +{ + 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) +{ + return __o->fetch_sub(__op, __m); +} + +// atomic_fetch_and + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_and(volatile atomic<_Tp>* __o, _Tp __op) +{ + return __o->fetch_and(__op); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_and(atomic<_Tp>* __o, _Tp __op) +{ + return __o->fetch_and(__op); +} + +// atomic_fetch_and_explicit + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_and_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) +{ + return __o->fetch_and(__op, __m); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_and_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) +{ + return __o->fetch_and(__op, __m); +} + +// atomic_fetch_or + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_or(volatile atomic<_Tp>* __o, _Tp __op) +{ + return __o->fetch_or(__op); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_or(atomic<_Tp>* __o, _Tp __op) +{ + return __o->fetch_or(__op); +} + +// atomic_fetch_or_explicit + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_or_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) +{ + return __o->fetch_or(__op, __m); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_or_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) +{ + return __o->fetch_or(__op, __m); +} + +// atomic_fetch_xor + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_xor(volatile atomic<_Tp>* __o, _Tp __op) +{ + return __o->fetch_xor(__op); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_xor(atomic<_Tp>* __o, _Tp __op) +{ + return __o->fetch_xor(__op); +} + +// atomic_fetch_xor_explicit + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_xor_explicit(volatile atomic<_Tp>* __o, _Tp __op, memory_order __m) +{ + return __o->fetch_xor(__op, __m); +} + +template <class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_integral<_Tp>::value && !is_same<_Tp, bool>::value, + _Tp +>::type +atomic_fetch_xor_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m) +{ + return __o->fetch_xor(__op, __m); +} + +// flag type and operations + +typedef struct atomic_flag +{ + bool __a_; + + _LIBCPP_INLINE_VISIBILITY + bool test_and_set(memory_order __m = memory_order_seq_cst) volatile + {return __atomic_exchange(&__a_, true, __m);} + _LIBCPP_INLINE_VISIBILITY + bool test_and_set(memory_order __m = memory_order_seq_cst) + {return __atomic_exchange(&__a_, true, __m);} + _LIBCPP_INLINE_VISIBILITY + void clear(memory_order __m = memory_order_seq_cst) volatile + {__atomic_store(&__a_, false, __m);} + _LIBCPP_INLINE_VISIBILITY + void clear(memory_order __m = memory_order_seq_cst) + {__atomic_store(&__a_, false, __m);} + + _LIBCPP_INLINE_VISIBILITY + atomic_flag() {} // = default; + _LIBCPP_INLINE_VISIBILITY + atomic_flag(bool __b) : __a_(__b) {} + +#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS + atomic_flag(const atomic_flag&) = delete; + atomic_flag& operator=(const atomic_flag&) = delete; + atomic_flag& operator=(const atomic_flag&) volatile = delete; +#else // _LIBCPP_HAS_NO_DELETED_FUNCTIONS +private: + atomic_flag(const atomic_flag&); + atomic_flag& operator=(const atomic_flag&); + atomic_flag& operator=(const atomic_flag&) volatile; +#endif // _LIBCPP_HAS_NO_DELETED_FUNCTIONS +} atomic_flag; + +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_flag_test_and_set(volatile atomic_flag* __o) +{ + return __o->test_and_set(); +} + +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_flag_test_and_set(atomic_flag* __o) +{ + return __o->test_and_set(); +} + +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_flag_test_and_set_explicit(volatile atomic_flag* __o, memory_order __m) +{ + return __o->test_and_set(__m); +} + +inline _LIBCPP_INLINE_VISIBILITY +bool +atomic_flag_test_and_set_explicit(atomic_flag* __o, memory_order __m) +{ + return __o->test_and_set(__m); +} + +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_flag_clear(volatile atomic_flag* __o) +{ + __o->clear(); +} + +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_flag_clear(atomic_flag* __o) +{ + __o->clear(); +} + +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_flag_clear_explicit(volatile atomic_flag* __o, memory_order __m) +{ + __o->clear(__m); +} + +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_flag_clear_explicit(atomic_flag* __o, memory_order __m) +{ + __o->clear(__m); +} + +// fences + +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_thread_fence(memory_order __m) +{ + __atomic_thread_fence(__m); +} + +inline _LIBCPP_INLINE_VISIBILITY +void +atomic_signal_fence(memory_order __m) +{ + __atomic_signal_fence(__m); +} + +// Atomics for standard typedef types + +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<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} + +// lock-free property + +#define ATOMIC_CHAR_LOCK_FREE 0 +#define ATOMIC_CHAR16_T_LOCK_FREE 0 +#define ATOMIC_CHAR32_T_LOCK_FREE 0 +#define ATOMIC_WCHAR_T_LOCK_FREE 0 +#define ATOMIC_SHORT_LOCK_FREE 0 +#define ATOMIC_INT_LOCK_FREE 0 +#define ATOMIC_LONG_LOCK_FREE 0 +#define ATOMIC_LLONG_LOCK_FREE 0 + +#endif // !__has_feature(cxx_atomic) + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_ATOMIC |