mirror of
https://github.com/jart/cosmopolitan.git
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664 lines
18 KiB
C++
664 lines
18 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ATOMIC_ATOMIC_H
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#define _LIBCPP___ATOMIC_ATOMIC_H
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#include <__atomic/atomic_base.h>
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#include <__atomic/check_memory_order.h>
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#include <__atomic/cxx_atomic_impl.h>
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#include <__atomic/memory_order.h>
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#include <__config>
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#include <__memory/addressof.h>
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#include <__type_traits/is_function.h>
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#include <__type_traits/is_same.h>
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#include <__type_traits/remove_pointer.h>
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#include <cstddef>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Tp>
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struct atomic
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: public __atomic_base<_Tp>
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{
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using __base = __atomic_base<_Tp>;
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using value_type = _Tp;
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using difference_type = value_type;
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#if _LIBCPP_STD_VER >= 20
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_LIBCPP_HIDE_FROM_ABI
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atomic() = default;
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#else
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_LIBCPP_HIDE_FROM_ABI
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atomic() _NOEXCEPT = default;
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#endif
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_LIBCPP_HIDE_FROM_ABI
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_LIBCPP_CONSTEXPR atomic(_Tp __d) _NOEXCEPT : __base(__d) {}
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_LIBCPP_HIDE_FROM_ABI
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_Tp operator=(_Tp __d) volatile _NOEXCEPT
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{__base::store(__d); return __d;}
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_LIBCPP_HIDE_FROM_ABI
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_Tp operator=(_Tp __d) _NOEXCEPT
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{__base::store(__d); return __d;}
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atomic& operator=(const atomic&) = delete;
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atomic& operator=(const atomic&) volatile = delete;
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};
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// atomic<T*>
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template <class _Tp>
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struct atomic<_Tp*>
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: public __atomic_base<_Tp*>
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{
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using __base = __atomic_base<_Tp*>;
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using value_type = _Tp*;
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using difference_type = ptrdiff_t;
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_LIBCPP_HIDE_FROM_ABI
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atomic() _NOEXCEPT = default;
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_LIBCPP_HIDE_FROM_ABI
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_LIBCPP_CONSTEXPR atomic(_Tp* __d) _NOEXCEPT : __base(__d) {}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator=(_Tp* __d) volatile _NOEXCEPT
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{__base::store(__d); return __d;}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator=(_Tp* __d) _NOEXCEPT
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{__base::store(__d); return __d;}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* fetch_add(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {
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// __atomic_fetch_add accepts function pointers, guard against them.
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static_assert(!is_function<__remove_pointer_t<_Tp> >::value, "Pointer to function isn't allowed");
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return std::__cxx_atomic_fetch_add(std::addressof(this->__a_), __op, __m);
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}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* fetch_add(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT {
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// __atomic_fetch_add accepts function pointers, guard against them.
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static_assert(!is_function<__remove_pointer_t<_Tp> >::value, "Pointer to function isn't allowed");
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return std::__cxx_atomic_fetch_add(std::addressof(this->__a_), __op, __m);
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}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* fetch_sub(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT {
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// __atomic_fetch_add accepts function pointers, guard against them.
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static_assert(!is_function<__remove_pointer_t<_Tp> >::value, "Pointer to function isn't allowed");
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return std::__cxx_atomic_fetch_sub(std::addressof(this->__a_), __op, __m);
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}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* fetch_sub(ptrdiff_t __op, memory_order __m = memory_order_seq_cst) _NOEXCEPT {
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// __atomic_fetch_add accepts function pointers, guard against them.
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static_assert(!is_function<__remove_pointer_t<_Tp> >::value, "Pointer to function isn't allowed");
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return std::__cxx_atomic_fetch_sub(std::addressof(this->__a_), __op, __m);
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}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator++(int) volatile _NOEXCEPT {return fetch_add(1);}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator++(int) _NOEXCEPT {return fetch_add(1);}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator--(int) volatile _NOEXCEPT {return fetch_sub(1);}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator--(int) _NOEXCEPT {return fetch_sub(1);}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator++() volatile _NOEXCEPT {return fetch_add(1) + 1;}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator++() _NOEXCEPT {return fetch_add(1) + 1;}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator--() volatile _NOEXCEPT {return fetch_sub(1) - 1;}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator--() _NOEXCEPT {return fetch_sub(1) - 1;}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator+=(ptrdiff_t __op) volatile _NOEXCEPT {return fetch_add(__op) + __op;}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator+=(ptrdiff_t __op) _NOEXCEPT {return fetch_add(__op) + __op;}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator-=(ptrdiff_t __op) volatile _NOEXCEPT {return fetch_sub(__op) - __op;}
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_LIBCPP_HIDE_FROM_ABI
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_Tp* operator-=(ptrdiff_t __op) _NOEXCEPT {return fetch_sub(__op) - __op;}
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atomic& operator=(const atomic&) = delete;
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atomic& operator=(const atomic&) volatile = delete;
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};
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// atomic_is_lock_free
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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bool
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atomic_is_lock_free(const volatile atomic<_Tp>* __o) _NOEXCEPT
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{
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return __o->is_lock_free();
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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bool
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atomic_is_lock_free(const atomic<_Tp>* __o) _NOEXCEPT
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{
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return __o->is_lock_free();
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}
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// atomic_init
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template <class _Tp>
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_LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_HIDE_FROM_ABI
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void
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atomic_init(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __d) _NOEXCEPT
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{
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std::__cxx_atomic_init(std::addressof(__o->__a_), __d);
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}
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template <class _Tp>
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_LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_HIDE_FROM_ABI
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void
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atomic_init(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __d) _NOEXCEPT
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{
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std::__cxx_atomic_init(std::addressof(__o->__a_), __d);
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}
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// atomic_store
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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void
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atomic_store(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __d) _NOEXCEPT
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{
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__o->store(__d);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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void
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atomic_store(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __d) _NOEXCEPT
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{
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__o->store(__d);
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}
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// atomic_store_explicit
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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void
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atomic_store_explicit(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __d, memory_order __m) _NOEXCEPT
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_LIBCPP_CHECK_STORE_MEMORY_ORDER(__m)
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{
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__o->store(__d, __m);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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void
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atomic_store_explicit(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __d, memory_order __m) _NOEXCEPT
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_LIBCPP_CHECK_STORE_MEMORY_ORDER(__m)
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{
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__o->store(__d, __m);
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}
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// atomic_load
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp
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atomic_load(const volatile atomic<_Tp>* __o) _NOEXCEPT
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{
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return __o->load();
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp
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atomic_load(const atomic<_Tp>* __o) _NOEXCEPT
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{
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return __o->load();
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}
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// atomic_load_explicit
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp
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atomic_load_explicit(const volatile atomic<_Tp>* __o, memory_order __m) _NOEXCEPT
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_LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m)
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{
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return __o->load(__m);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp
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atomic_load_explicit(const atomic<_Tp>* __o, memory_order __m) _NOEXCEPT
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_LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m)
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{
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return __o->load(__m);
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}
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// atomic_exchange
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp
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atomic_exchange(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __d) _NOEXCEPT
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{
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return __o->exchange(__d);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp
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atomic_exchange(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __d) _NOEXCEPT
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{
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return __o->exchange(__d);
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}
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// atomic_exchange_explicit
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp
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atomic_exchange_explicit(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __d, memory_order __m) _NOEXCEPT
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{
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return __o->exchange(__d, __m);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp
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atomic_exchange_explicit(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __d, memory_order __m) _NOEXCEPT
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{
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return __o->exchange(__d, __m);
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}
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// atomic_compare_exchange_weak
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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bool
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atomic_compare_exchange_weak(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type* __e, typename atomic<_Tp>::value_type __d) _NOEXCEPT
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{
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return __o->compare_exchange_weak(*__e, __d);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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bool
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atomic_compare_exchange_weak(atomic<_Tp>* __o, typename atomic<_Tp>::value_type* __e, typename atomic<_Tp>::value_type __d) _NOEXCEPT
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{
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return __o->compare_exchange_weak(*__e, __d);
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}
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// atomic_compare_exchange_strong
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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bool
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atomic_compare_exchange_strong(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type* __e, typename atomic<_Tp>::value_type __d) _NOEXCEPT
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{
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return __o->compare_exchange_strong(*__e, __d);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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bool
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atomic_compare_exchange_strong(atomic<_Tp>* __o, typename atomic<_Tp>::value_type* __e, typename atomic<_Tp>::value_type __d) _NOEXCEPT
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{
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return __o->compare_exchange_strong(*__e, __d);
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}
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// atomic_compare_exchange_weak_explicit
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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bool
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atomic_compare_exchange_weak_explicit(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type* __e,
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typename atomic<_Tp>::value_type __d,
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memory_order __s, memory_order __f) _NOEXCEPT
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_LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f)
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{
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return __o->compare_exchange_weak(*__e, __d, __s, __f);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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bool
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atomic_compare_exchange_weak_explicit(atomic<_Tp>* __o, typename atomic<_Tp>::value_type* __e, typename atomic<_Tp>::value_type __d,
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memory_order __s, memory_order __f) _NOEXCEPT
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_LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f)
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{
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return __o->compare_exchange_weak(*__e, __d, __s, __f);
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}
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// atomic_compare_exchange_strong_explicit
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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bool
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atomic_compare_exchange_strong_explicit(volatile atomic<_Tp>* __o,
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typename atomic<_Tp>::value_type* __e, typename atomic<_Tp>::value_type __d,
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memory_order __s, memory_order __f) _NOEXCEPT
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_LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f)
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{
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return __o->compare_exchange_strong(*__e, __d, __s, __f);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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bool
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atomic_compare_exchange_strong_explicit(atomic<_Tp>* __o, typename atomic<_Tp>::value_type* __e,
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typename atomic<_Tp>::value_type __d,
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memory_order __s, memory_order __f) _NOEXCEPT
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_LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__s, __f)
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{
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return __o->compare_exchange_strong(*__e, __d, __s, __f);
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}
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// atomic_wait
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template <class _Tp>
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_LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI
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void atomic_wait(const volatile atomic<_Tp>* __o,
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typename atomic<_Tp>::value_type __v) _NOEXCEPT
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{
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return __o->wait(__v);
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}
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template <class _Tp>
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_LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI
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void atomic_wait(const atomic<_Tp>* __o,
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typename atomic<_Tp>::value_type __v) _NOEXCEPT
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{
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return __o->wait(__v);
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}
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// atomic_wait_explicit
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template <class _Tp>
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_LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI
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void atomic_wait_explicit(const volatile atomic<_Tp>* __o,
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typename atomic<_Tp>::value_type __v,
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memory_order __m) _NOEXCEPT
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_LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m)
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{
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return __o->wait(__v, __m);
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}
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template <class _Tp>
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_LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI
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void atomic_wait_explicit(const atomic<_Tp>* __o,
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typename atomic<_Tp>::value_type __v,
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memory_order __m) _NOEXCEPT
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_LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m)
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{
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return __o->wait(__v, __m);
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}
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// atomic_notify_one
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template <class _Tp>
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_LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI
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void atomic_notify_one(volatile atomic<_Tp>* __o) _NOEXCEPT
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{
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__o->notify_one();
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}
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template <class _Tp>
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_LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI
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void atomic_notify_one(atomic<_Tp>* __o) _NOEXCEPT
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{
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__o->notify_one();
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}
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// atomic_notify_all
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template <class _Tp>
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_LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI
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void atomic_notify_all(volatile atomic<_Tp>* __o) _NOEXCEPT
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{
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__o->notify_all();
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}
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template <class _Tp>
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_LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI
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void atomic_notify_all(atomic<_Tp>* __o) _NOEXCEPT
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{
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__o->notify_all();
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}
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// atomic_fetch_add
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp
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atomic_fetch_add(volatile atomic<_Tp>* __o, typename atomic<_Tp>::difference_type __op) _NOEXCEPT
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{
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return __o->fetch_add(__op);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp
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atomic_fetch_add(atomic<_Tp>* __o, typename atomic<_Tp>::difference_type __op) _NOEXCEPT
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{
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return __o->fetch_add(__op);
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}
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// atomic_fetch_add_explicit
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp atomic_fetch_add_explicit(volatile atomic<_Tp>* __o, typename atomic<_Tp>::difference_type __op, memory_order __m) _NOEXCEPT
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{
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return __o->fetch_add(__op, __m);
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}
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp atomic_fetch_add_explicit(atomic<_Tp>* __o, typename atomic<_Tp>::difference_type __op, memory_order __m) _NOEXCEPT
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{
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return __o->fetch_add(__op, __m);
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}
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// atomic_fetch_sub
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI
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_Tp atomic_fetch_sub(volatile atomic<_Tp>* __o, typename atomic<_Tp>::difference_type __op) _NOEXCEPT
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{
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return __o->fetch_sub(__op);
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
_Tp atomic_fetch_sub(atomic<_Tp>* __o, typename atomic<_Tp>::difference_type __op) _NOEXCEPT
|
|
{
|
|
return __o->fetch_sub(__op);
|
|
}
|
|
|
|
// atomic_fetch_sub_explicit
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
_Tp atomic_fetch_sub_explicit(volatile atomic<_Tp>* __o, typename atomic<_Tp>::difference_type __op, memory_order __m) _NOEXCEPT
|
|
{
|
|
return __o->fetch_sub(__op, __m);
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
_Tp atomic_fetch_sub_explicit(atomic<_Tp>* __o, typename atomic<_Tp>::difference_type __op, memory_order __m) _NOEXCEPT
|
|
{
|
|
return __o->fetch_sub(__op, __m);
|
|
}
|
|
|
|
// atomic_fetch_and
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_and(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op) _NOEXCEPT
|
|
{
|
|
return __o->fetch_and(__op);
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_and(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op) _NOEXCEPT
|
|
{
|
|
return __o->fetch_and(__op);
|
|
}
|
|
|
|
// atomic_fetch_and_explicit
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_and_explicit(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op, memory_order __m) _NOEXCEPT
|
|
{
|
|
return __o->fetch_and(__op, __m);
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_and_explicit(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op, memory_order __m) _NOEXCEPT
|
|
{
|
|
return __o->fetch_and(__op, __m);
|
|
}
|
|
|
|
// atomic_fetch_or
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_or(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op) _NOEXCEPT
|
|
{
|
|
return __o->fetch_or(__op);
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_or(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op) _NOEXCEPT
|
|
{
|
|
return __o->fetch_or(__op);
|
|
}
|
|
|
|
// atomic_fetch_or_explicit
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_or_explicit(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op, memory_order __m) _NOEXCEPT
|
|
{
|
|
return __o->fetch_or(__op, __m);
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_or_explicit(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op, memory_order __m) _NOEXCEPT
|
|
{
|
|
return __o->fetch_or(__op, __m);
|
|
}
|
|
|
|
// atomic_fetch_xor
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_xor(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op) _NOEXCEPT
|
|
{
|
|
return __o->fetch_xor(__op);
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_xor(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op) _NOEXCEPT
|
|
{
|
|
return __o->fetch_xor(__op);
|
|
}
|
|
|
|
// atomic_fetch_xor_explicit
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_xor_explicit(volatile atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op, memory_order __m) _NOEXCEPT
|
|
{
|
|
return __o->fetch_xor(__op, __m);
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI
|
|
typename enable_if
|
|
<
|
|
is_integral<_Tp>::value && !is_same<_Tp, bool>::value,
|
|
_Tp
|
|
>::type
|
|
atomic_fetch_xor_explicit(atomic<_Tp>* __o, typename atomic<_Tp>::value_type __op, memory_order __m) _NOEXCEPT
|
|
{
|
|
return __o->fetch_xor(__op, __m);
|
|
}
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP___ATOMIC_ATOMIC_H
|