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    std::unique_lock::operator bool

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    <metanoindex/>

     
    C++
     
    Thema Support-Bibliothek
    Threads
    Original:
    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_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)
    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)
    launch(C++11)
    future_status(C++11)
    future_error(C++11)
    future_category(C++11)
    future_errc(C++11)
     
    std::unique_lock
    Member-Funktionen
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    Member functions
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    unique_lock::unique_lock
    unique_lock::~unique_lock
    unique_lock::operator=
    Sperren
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    Locking
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    unique_lock::lock
    unique_lock::try_lock
    unique_lock::try_lock_for
    unique_lock::try_lock_until
    unique_lock::unlock
    Modifiers
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    Modifiers
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    unique_lock::swap
    unique_lock::release
    Beobachter
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    Observers
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    unique_lock::mutex
    unique_lock::owns_lock
    unique_lock::operator bool
    Non-Member-Funktionen
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    Non-member functions
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    std::swap
     
    <tbody> </tbody>
    explicit operator bool() const;
    		 (seit C++11)
    Überprüft, ob *this einen gesperrten Mutex oder nicht besitzt. Effektiv nennt owns_lock() .
    Original:
    Checks whether *this owns a locked mutex or not. Effectively calls owns_lock().
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    Parameter

    (None)
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    (none)
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    Rückgabewert

    true wenn *this hat einen zugeordneten Mutex und erworben hat Eigentum, false sonst .
    Original:
    true if *this has an associated mutex and has acquired ownership of it, false otherwise.
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    Ausnahmen

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

    Siehe auch
    Tests, ob die Sperre der zugehörigen Mutex besitzt
    Original:
    tests whether the lock owns its associated mutex
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    (öffentliche Elementfunktion) [edit]