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std::atomic::operator+=,-=,&=,|=,^=

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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
Original:
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
Original:
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
Original:
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^=
 
T operator+=( T arg );
T operator+=( T arg ) volatile;
(1) (Mitglied nur atomic<Integral> Template-Spezialisierung)
(seit C++11)
T* operator+=( std::ptrdiff_t arg );
T* operator+=( std::ptrdiff_t arg ) volatile;
(1) (Mitglied nur atomic<T*> Template-Spezialisierung)
(seit C++11)
T operator-=( T arg );
T operator-=( T arg ) volatile;
(2) (Mitglied nur atomic<Integral> Template-Spezialisierung)
(seit C++11)
T* operator-=( std::ptrdiff_t arg );
T* operator-=( std::ptrdiff_t arg ) volatile;
(2) (Mitglied nur atomic<T*> Template-Spezialisierung)
(seit C++11)
T operator&=( T arg );
T operator&=( T arg ) volatile;
(3) (Mitglied nur atomic<Integral> Template-Spezialisierung)
(seit C++11)
T operator|=( T arg );
T operator|=( T arg ) volatile;
(4) (Mitglied nur atomic<Integral> Template-Spezialisierung)
(seit C++11)
T operator^=( T arg );
T operator^=( T arg ) volatile;
(5) (Mitglied nur atomic<Integral> Template-Spezialisierung)
(seit C++11)
Atomar ersetzt die aktuelle Wert mit dem Ergebnis der Berechnung mit dem vorhergehenden Wert und arg. Die Bedienung ist Lese-Modifizieren-Schreib-Operation .
Original:
Atomically replaces the current value with the result of computation involving the previous value and arg. The operation is read-modify-write operation.
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1)
Führt atomaren hinaus. Entspricht fetch_add(arg) .
Original:
Performs atomic addition. Equivalent to fetch_add(arg).
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2)
Führt atomaren Subtraktion. Entspricht fetch_sub(arg) .
Original:
Performs atomic subtraction. Equivalent to fetch_sub(arg).
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3)
Führt atomaren bitweise und. Entspricht fetch_and(arg) .
Original:
Performs atomic bitwise and. Equivalent to fetch_and(arg).
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4)
Führt atomaren bitweise oder. Entspricht fetch_or(arg) .
Original:
Performs atomic bitwise or. Equivalent to fetch_or(arg).
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5)
Führt atomaren bitweise Exklusiv-Oder. Entspricht fetch_xor(arg) .
Original:
Performs atomic bitwise exclusive or. Equivalent to fetch_xor(arg).
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Für signierte Integral Typen wird Arithmetik definiert Zweierkomplementdarstellung verwenden. There
Original:
For signed Integral types, arithmetic is defined to use two’s complement representation. There
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keine undefinierten Ergebnissen. Für T* Typen, kann das Ergebnis eine undefinierte Adresse, aber die Operationen sonst keine undefinierten Verhalten .
Original:
are no undefined results. For T* types, the result may be an undefined address, but the operations otherwise have no undefined behavior.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

arg -
Das Argument für die Rechenoperation
Original:
the argument for the arithmetic operation
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[Bearbeiten] Rückgabewert

Der resultierende Wert .
Original:
The resulting value.
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[Bearbeiten] Ausnahmen

noexcept specification:  
noexcept
  (seit C++11)

[Bearbeiten] Siehe auch

erhöht oder vermindert den atomaren Wert um eins
Original:
increments or decrements the atomic value by one
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(öffentliche Elementfunktion) [edit]