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std::promise::set_value

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< cpp‎ | thread‎ | promise

 
 
スレッドのサポートライブラリ
スレッド
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Threads
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thread(C++11)
this_thread空間
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this_thread namespace
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get_id(C++11)
yield(C++11)
sleep_for(C++11)
sleep_until(C++11)
相互排除
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Mutual exclusion
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mutex(C++11)
timed_mutex(C++11)
汎用のロック管理
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Generic lock management
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lock_guard(C++11)
unique_lock(C++11)
defer_lock_t
try_to_lock_t
adopt_lock_t
(C++11)
(C++11)
(C++11)
lock(C++11)
try_lock(C++11)
defer_lock
try_to_lock
adopt_lock
(C++11)
(C++11)
(C++11)
条件変数
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Condition variables
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condition_variable(C++11)
condition_variable_any(C++11)
notify_all_at_thread_exit(C++11)
cv_status(C++11)
先物
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Futures
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promise(C++11)
future(C++11)
shared_future(C++11)
packaged_task(C++11)
async(C++11)
launch(C++11)
future_status(C++11)
future_error(C++11)
future_category(C++11)
future_errc(C++11)
 
std::promise
メンバ関数
Original:
Member functions
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promise::promise
promise::~promise
promise::operator=
promise::swap
結果を取得する
Original:
Getting the result
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promise::get_future
結果を設定する
Original:
Setting the result
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promise::set_value
promise::set_value_at_thread_exit
promise::set_exception
promise::set_exception_at_thread_exit
 
void set_value( const R& value );
(1) (唯一のジェネリックpromiseテンプレートのメンバー)
(C++11およびそれ以降)
void set_value( R&& value );
(2) (唯一のジェネリックpromiseテンプレートのメンバー)
(C++11およびそれ以降)
void set_value( R& value );
(3) (のみpromise<R&>テンプレートの特殊化のメンバー)
(C++11およびそれ以降)
void set_value()
(4) (のみpromise<void>テンプレートの特殊化のメンバー)
(C++11およびそれ以降)
共有状態にvalueが格納されており、状態を準備するため.
Original:
Stores the value into the shared state and makes the state ready.
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操作はアトミックです、すなわち約束オブジェクトを更新している間に、彼らは約束オブジェクトに関連付けられた1つのmutexを獲得しているかのようにそれが動作します.
Original:
The operation is atomic, i.e. it behaves as though they acquire a single mutex associated with the promise object while updating the promise object.
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全く共有された状態、または共有された状態既に値または例外を格納しますが存在しない場合、例外がスローされます.
Original:
An exception is thrown if there is no shared state or the shared state already stores a value or exception.
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目次

[編集] パラメータ

value -
共有状態に格納する値
Original:
value to store in the shared state
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[編集] 値を返します

(なし)
Original:
(none)
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[編集] 例外

以下の条件にstd::future_error
Original:
std::future_error on the following conditions:
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  • *thisない共有状態を持っていません。エラーカテゴリはno_stateに設定されています.
    Original:
    *this has no shared state. The error category is set to no_state.
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  • 共有された状態は、すでに値または例外を格納します。エラーカテゴリはpromise_already_satisfiedに設定されています.
    Original:
    The shared state already stores a value or exception. The error category is set to promise_already_satisfied.
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さらに、次の
Original:
Additionally:
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1-2)
valueのコピーコンストラクタによってスローされた例外
Original:
Any exception thrown by the copy constructor of value
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3)
valueの移動コンストラクタによってスローされた例外
Original:
Any exception thrown by the move constructor of value
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[編集]

[編集] も参照してください

例外を示すために結果を設定します
Original:
sets the result to indicate an exception
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(パブリックメンバ関数) [edit]