Varianti

    std::thread::hardware_concurrency

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    <metanoindex/>

     
    C++
     
    Discussione libreria di supporto
    Threads
    Original:
    Threads
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    thread(C++11)
    this_thread spazio dei nomi
    Original:
    this_thread namespace
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    get_id(C++11)
    yield(C++11)
    sleep_for(C++11)
    sleep_until(C++11)
    Mutua esclusione
    Original:
    Mutual exclusion
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    mutex(C++11)
    timed_mutex(C++11)
    Blocco di gestione generico
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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)
    Condizioni variabili
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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)
    launch(C++11)
    future_status(C++11)
    future_error(C++11)
    future_category(C++11)
    future_errc(C++11)
     
    std::thread
    Membri classi
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    Member classes
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    thread::id
    Membri funzioni
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    Member functions
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    thread::thread
    thread::~thread
    thread::operator=
    Osservatori
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    Observers
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    thread::joinable
    thread::get_id
    thread::native_handle
    thread::hardware_concurrency
    Operazioni
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    Operations
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    thread::join
    thread::detach
    thread::swap
    Non membri funzioni
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    Non-member functions
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    std::swap
     
    <tbody> </tbody>
    static unsigned hardware_concurrency();
    		 (dal C++11)
    Restituisce il numero di thread simultanei supportati dall'implementazione. Il valore deve essere considerato solo un suggerimento.
    Original:
    Returns number of concurrent threads supported by the implementation. The value should be considered only a hint.
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    Parametri

    (Nessuno)
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    (none)
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    Valore di ritorno

    numero di thread simultanei supportati. Se il valore non è ben definita o non computabili, ritorna 0.
    Original:
    number of concurrent threads supported. If the value is not well defined or not computable, returns 0.
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    Eccezioni

    noexcept specification:  
    <tbody> </tbody>
    noexcept
      (dal C++11)

    Esempio

    This section is incomplete
    Reason: no example