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ATOMIC_VAR_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>
#define ATOMIC_VAR_INIT(value) /* implementation-defined */
std::atomicから初期化することもできvalueオブジェクトを初期化するために使用することができる表現を展開します。アトミックオブジェクトは静的記憶域期間を持つ場合、この初期化は定数の初期化です.
Original:
Expands the an expression which can be used to initialize an std::atomic object that can be initialized from value. If the atomic object has static storage duration, this initialization is 定数の初期化.
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[編集] ノート

別のスレッドから、初期化時に変数へのアクセスも、アトミック操作を介して、データ·レース(アドレスは直ちにstd::memory_order_relaxed操作で別のスレッドに渡された場合にそれが起こる場合があります)
Original:
Accessing the variable during initialization from another thread, even through an atomic operation, is a data race (it may happen if the address is immediately passed to another thread with a std::memory_order_relaxed operation)
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このマクロは、主にCとの互換性のために提供され、それがstd::atomicのコンストラクタと同じように動作します.
Original:
This macro is primarily provided for compatibility with C; it behaves the same as the constructor of std::atomic.
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[編集]

[編集] も参照してください

non-atomic initialization of a default-constructed atomic object
(関数テンプレート) [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]