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    std::atomic::exchange

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    <metanoindex/>

     
    C++
     
    Atomare Operationen Bibliothek
    Types
    Original:
    Types
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    atomic(C++11)
    atomic_is_lock_free(C++11)
    Funktionen
    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)
    Atomic Fahnen
    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)
    Initialisierung
    Original:
    Initialization
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    atomic_init(C++11)
    ATOMIC_VAR_INIT(C++11)
    ATOMIC_FLAG_INIT(C++11)
    Speicher Bestellung
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    Memory ordering
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    memory_order(C++11)
    kill_dependency(C++11)
    atomic_thread_fence(C++11)
    atomic_signal_fence(C++11)
     
    std::atomic
    Member-Funktionen
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    Member functions
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    atomic::atomic
    atomic::operator=
    atomic::is_lock_free
    atomic::store
    atomic::load
    atomic::operator T
    atomic::exchange
    atomic::compare_exchange
    Specialized Member-Funktionen
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    Specialized member functions
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    atomic::fetch_add
    atomic::fetch_sub
    atomic::fetch_and
    atomic::fetch_or
    atomic::fetch_xor
    atomic::operator++
    atomic::operator++(int)
    atomic::operator--
    atomic::operator--(int)
    atomic::operator+=
    atomic::operator-=
    atomic::operator&=
    atomic::operator|=
    atomic::operator^=
     
    <tbody> </tbody>
    T exchange( T desired, memory_order = std::memory_order_seq_cst );
    		 (seit C++11)
    T exchange( T desired, memory_order = std::memory_order_seq_cst ) volatile;
    		 (seit C++11)
    Atomar ersetzt den zugrunde liegenden Wert mit desired. Die Bedienung ist Lese-Modifizier-Schreib-Vorgang. Speichermodul gemäß dem Wert des betroffenen memory_order .
    Original:
    Atomically replaces the underlying value with desired. The operation is read-modify-write operation. Memory is affected according to the value of memory_order.
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    Parameter

    desired -
    Wert zuweisen
    Original:
    value to assign
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    memory_order -
    Speicher, um Einschränkungen zu erzwingen
    Original:
    memory order constraints to enforce
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    Rückgabewert

    Der Wert des atomaren Variable vor dem Anruf .
    Original:
    The value of the atomic variable before the call.
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    Ausnahmen

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

    Siehe auch

    (C++11)
    (C++11)
    atomar ersetzt den Wert des atomaren Objekt mit nicht-elementare Argument und gibt den alten Wert des atomaren
    Original:
    atomically replaces the value of the atomic object with non-atomic argument and returns the old value of the atomic
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    (Funktions-Template) [edit]