| // -*- 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 | |
| { | |
| _Atomic(_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) { __atomic_store(&__a_, __d, memory_order_seq_cst); } | |
| #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) | |
| { | |
| __atomic_store(&__o->__a_, __d, memory_order_seq_cst); | |
| } | |
| template <class _Tp> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| void | |
| atomic_init(atomic<_Tp>* __o, _Tp __d) | |
| { | |
| __atomic_store(&__o->__a_, __d, memory_order_seq_cst); | |
| } | |
| // 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 | |
| { | |
| _Atomic(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) { __atomic_store(&__a_, __b, memory_order_seq_cst); } | |
| #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 |