名前空間
変種
操作

atomic_fetch_and, atomic_fetch_and_explicit

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< c‎ | atomic

 
 
アトミック操作ライブラリ
タイプ
Original:
Types
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memory_order
atomic_flag
マクロ
Original:
Macros
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ATOMIC_***_LOCK_FREE
ATOMIC_FLAG_INIT
ATOMIC_VAR_INIT
kill_dependency
機能します
Original:
Functions
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atomic_flag_test_and_set
atomic_flag_clear
atomic_init
atomic_is_lock_free
atomic_store
atomic_load
atomic_exchange
atomic_compare_exchange
atomic_fetch_add
atomic_fetch_sub
atomic_fetch_or
atomic_fetch_xor
atomic_fetch_and
atomic_thread_fence
atomic_signal_fence
 
Defined in header <stdatomic.h>
C atomic_fetch_and( volatile A* obj, M arg );
(1)
C atomic_fetch_and_explicity( volatile A* obj, M arg, memory_order order );
(2)
アトミックビット演算の結果をANDobjの古い値との間objによって指された値を置き換え、arg、以前に開催された値objを返します。操作は、リード·モディファイ·ライト操作です。最初のバージョンの受注メモリがmemory_order_seq_cstに従ってアクセスし、2番目のバージョンの受注メモリはorderに従ってアクセス.
Original:
Atomically replaces the value pointed by obj with the result of bitwise AND between the old value of obj and arg, and returns the value obj held previously. The operation is read-modify-write operation. The first version orders memory accesses according to memory_order_seq_cst, the second version orders memory accesses according to order.
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これは、すべての原子オブジェクト·タイプに対して定義汎用関数です。 Aがアトミックオブジェクトの型である、MA場合Aアトミック整数型であるか、またはptrdiff_tAアトミックれるポインタ型場合に対応する非原子型で.
Original:
This is a 汎用関数 defined for all atomic object types. A is the type of an atomic object, M is either the non-atomic type corresponding to A if A is atomic integer type, or ptrdiff_t if A is atomic pointer type.
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[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sycnhronization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 sycnhronization ordering for this operation: all values are permitted
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[編集] 値を返します

値は、以前objが指すアトミックオブジェクトでなければ開催された.
Original:
The value held previously be the atomic object pointed to by obj.
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[編集] も参照してください

論理的原子または
Original:
atomic logical OR
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(機能) [edit]
アトミック排他的論理和
Original:
atomic logical exclusive OR
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(機能) [edit]
C++ documentation for atomic_fetch_and, atomic_fetch_and_explicit