名前空間
変種
操作

std::atomic_fetch_and, std::atomic_fetch_and_explicit

提供: cppreference.com
< cpp‎ | atomic

 
 
アトミック操作ライブラリ
タイプ
Original:
Types
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atomic(C++11)
atomic_is_lock_free(C++11)
機能します
Original:
Functions
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atomic_store
atomic_store_explicit
(C++11)
(C++11)
atomic_load
atomic_load_explicit
(C++11)
(C++11)
atomic_exchange
atomic_exchange_explicit
(C++11)
(C++11)
atomic_compare_exchange_weak
atomic_compare_exchange_weak_explicit
atomic_compare_exchange_strong
atomic_compare_exchange_strong_explicit
(C++11)
(C++11)
(C++11)
(C++11)
atomic_fetch_add
atomic_fetch_add_explicit
(C++11)
(C++11)
atomic_fetch_sub
atomic_fetch_sub_explicit
(C++11)
(C++11)
atomic_fetch_and
atomic_fetch_and_explicit
(C++11)
(C++11)
atomic_fetch_or
atomic_fetch_or_explicit
(C++11)
(C++11)
atomic_fetch_xor
atomic_fetch_xor_explicit
(C++11)
(C++11)
アトミックのフラグ
Original:
Atomic flags
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atomic_flag(C++11)
atomic_flag_test_and_set
atomic_flag_test_and_set_explicit
(C++11)
(C++11)
atomic_flag_clear
atomic_flag_clear_explicit
(C++11)
(C++11)
初期化
Original:
Initialization
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atomic_init(C++11)
ATOMIC_VAR_INIT(C++11)
ATOMIC_FLAG_INIT(C++11)
メモリは発注
Original:
Memory ordering
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memory_order(C++11)
kill_dependency(C++11)
atomic_thread_fence(C++11)
atomic_signal_fence(C++11)
 
Defined in header <atomic>
template< class Integral >
Integral atomic_fetch_and( std::atomic<Integral>* obj, Integral arg );
(1) (C + + 11以来)
template< class Integral >
Integral atomic_fetch_and( volatile std::atomic<Integral>* obj, Integral arg );
(2) (C + + 11以来)
template< class Integral >

Integral atomic_fetch_and_explicit( std::atomic<Integral>* obj, Integral arg,

                                    std::memory_order order);
(3) (C + + 11以来)
template< class Integral >

Integral atomic_fetch_and_explicit( volatile std::atomic<Integral>* obj, Integral arg,

                                    std::memory_order order);
(4) (C + + 11以来)
1-2)
アトミックビット演算の結果をANDargの古い値との間objによって指された値を置き換え、arg、とobjであるかのように、以前に開催された値obj->fetch_and(arg)を返します
Original:
Atomically replaces the value pointed by arg with the result of bitwise AND between the old value of obj and arg, and returns the value obj held previously, as if by obj->fetch_and(arg)
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3-4)
アトミックビット演算の結果をANDargの古い値との間objによって指された値を置き換え、arg、とobjであるかのように、以前に開催された値obj->fetch_and(arg, order)を返します
Original:
Atomically replaces the value pointed by arg with the result of bitwise AND between the old value of obj and arg, and returns the value obj held previously, as if by obj->fetch_and(arg, order)
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目次

[編集] パラメータ

obj -
変更するアトミックオブジェクトへのポインタ
Original:
pointer to the atomic object to modify
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arg -
ビット単位へとアトミックオブジェクトに格納されている値まで
Original:
the value to bitwise AND to the value stored in the atomic object
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order -
メモリ同期は、この操作の順序:すべての値が許可されています.
Original:
the memory synchronization ordering for this operation: all values are permitted.
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[編集] 値を返します

原子オブジェクトによって以前に開催された値がobjが指す
Original:
The value held previously by the atomic object pointed to by obj
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[編集] 例外

noexcept specification:  
noexcept
  (C + + 11以来)

[編集] 可能な実装

template< class T >
typename std::enable_if<std::is_integral<T>::value && !std::is_same<T, bool>::value, T>::type
    atomic_fetch_and(std::atomic<T>* obj, T arg);
{
    return obj->fetch_and(arg);
}

[編集]

[編集] も参照してください

(C++11)
アトミックビット単位のAND引数とアトミックオブジェクトの値の間で実行され、以前に保持している値を取得します
Original:
atomically performs bitwise AND between the argument and the value of the atomic object and obtains the value held previously
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(パブリックメンバ関数of std::atomic) [edit]
論理的な結果をOR非アトミック引数を持つ原子オブジェクトを置き換え、原子の前の値を取得します
Original:
replaces the atomic object with the result of logical OR with a non-atomic argument and obtains the previous value of the atomic
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(関数テンプレート) [edit]
非アトミック引数で排他的論理和の結果と不可分なオブジェクトを置き換え、原子の前の値を取得します
Original:
replaces the atomic object with the result of logical XOR with a non-atomic argument and obtains the previous value of the atomic
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(関数テンプレート) [edit]
C documentation for atomic_fetch_and, atomic_fetch_and_explicit