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操作

std::atomic_init

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 T >
void atomic_init( std::atomic<T>* obj, T desired );
template< class T >
void atomic_init( volatile std::atomic<T>* obj, T desired );
objectでデフォルトに構築アトミックオブジェクトdesiredを初期化します。関数はアトミックではありません:別のスレッドからの同時アクセスも、アトミック操作を介して、データの競合です.
Original:
Initializes the default-constructed atomic object object with the value desired. The function is not atomic: concurrent access from another thread, even through an atomic operation, is a data race.
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objにdefault-構築されなかった場合、動作は未定義です.
Original:
If obj was not default-constructed, the behavior is undefined.
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この関数は同じobjに二回呼び出された場合、動作は未定義です.
Original:
If this function is called twice on the same obj, the behavior is undefined.
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目次

[編集] パラメータ

obj -
初期化するアトミックオブジェクトへのポインタ
Original:
pointer to an atomic object to initialize
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desired -
と不可分なオブジェクトを初期化する値
Original:
the value to initialize atomic object with
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[編集] 値を返します

(なし)
Original:
(none)
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[編集] 例外

noexcept specification:  
noexcept
  (C + + 11以来)

[編集] ノート

互換性が必要でない場合、この関数はCとの互換性のために提供され、std::atomicは、その既定以外のコンストラクタを介して初期化されるかもしれない.
Original:
This function is provided for compatibility with C. If the compatibility is not required, std::atomic may be initialized through their non-default constructors.
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[編集]

[編集] も参照してください

静的記憶域期間のアトミック変数の定数初期化
Original:
constant initialization of an atomic variable of static storage duration
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(関数マクロ) [edit]
アトミックオブジェクトを作成します
Original:
constructs an atomic object
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(パブリックメンバ関数of std::atomic) [edit]
C documentation for atomic_init