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    std::future::get

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    C++
     
    Thema Support-Bibliothek
    Threads
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    Threads
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    thread(C++11)
    this_thread Namespace
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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)
    Gegenseitigen Ausschluss
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    Mutual exclusion
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    mutex(C++11)
    timed_mutex(C++11)
    Generische Sperrverwaltung
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    Generic lock management
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    lock(C++11)
    try_lock(C++11)
    defer_lock
    try_to_lock
    adopt_lock    		(C++11)
    (C++11)
    (C++11)
    Zustand Variablen
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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)
    Futures
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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)
     
    std::future
    future::future
    future::~future
    future::operator=
    future::share
    Erste das Ergebnis
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    Getting the result
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    future::get
    State
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    State
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    future::valid
    future::wait
    future::wait_for
    future::wait_until
     
    T get();
    		 (1) (Mitglied nur von generischen future Vorlage)
    (seit C++11)
    T& get();
    		 (2) (Mitglied nur future<T&> Template-Spezialisierung)
    (seit C++11)
    void get();
    		 (3) (Mitglied nur future<void> Template-Spezialisierung)
    (seit C++11)
    Die get Verfahren wartet, bis die future hat ein gültiges Ergebnis und (je nachdem, welche Vorlage verwendet wird) abruft. Es effektiv nennt wait() um das Ergebnis zu warten .
    Original:
    The get method waits until the future has a valid result and (depending on which template is used) retrieves it. It effectively calls wait() in order to wait for the result.
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    Die generische Vorlage und zwei Template Spezialisierungen enthalten jeweils eine einzige Version der get. Die drei Versionen des get unterscheiden sich nur in der Rückkehr Typ .
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    The generic template and two template specializations each contain a single version of get. The three versions of get differ only in the return type.
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    valid() ==false nach einem Aufruf dieser Methode .
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    valid() ==false after a call to this method.
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    Inhaltsverzeichnis

    [Bearbeiten]Parameter

    (None)
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    (none)
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    [Bearbeiten]Rückgabewert

    1)
    Der Wert in dem freigegebenen Zustand gelagert. Wenn es die Anforderungen der MoveAssignable erfüllt, wird der Wert bewegt wird, andernfalls wird er kopiert .
    Original:
    The value stored in the shared state. If it satisfies the requirements of MoveAssignable, the value is moved, otherwise it is copied.
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    2)
    Der Verweis auf den Wert in der gemeinsamen Staat .
    Original:
    Reference to the value in the shared state.
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    3)
    Nichts .
    Original:
    Nothing.
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    [Bearbeiten]Ausnahmen

    Wenn eine Ausnahme in der gemeinsamen Staates durch die Zukunft (z. B. über einen Aufruf std::promise::set_exception) referenziert gespeichert wurde dann diese Ausnahme geworfen werden .
    Original:
    If an exception was stored in the shared state referenced by the future (e.g. via a call to std::promise::set_exception) then that exception will be thrown.
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    [Bearbeiten]Beispiel

    This section is incomplete
    Reason: no example

    [Bearbeiten]Siehe auch

    überprüft, ob das Future einen shared State mit einem promise teilt.
    Original:
    checks if the future has shared state with a promise
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