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

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C++

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Strings Bibliothek

Container-Bibliothek

Algorithmen-Bibliothek

Iteratoren Bibliothek

Numerik-Bibliothek

Input / Output-Bibliothek

Lokalisierungen Bibliothek

Reguläre Ausdrücke Bibliothek (C++11)

Atomare Operationen Bibliothek (C++11)

Thread Support-Bibliothek (C++11)

 

Atomare Operationen Bibliothek

Types Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

atomic (C++11)

atomic_is_lock_free (C++11)

Funktionen Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

atomic_init (C++11)

ATOMIC_VAR_INIT (C++11)

ATOMIC_FLAG_INIT (C++11)

Speicher Bestellung Original: Memory ordering The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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^=

 

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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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Parameter

arg

-

Das Argument für die Rechenoperation Original: the argument for the arithmetic operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Rückgabewert

Der resultierende Wert .

Original:

The resulting value.

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Ausnahmen

noexcept specification:  

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noexcept

  (seit C++11)

Siehe auch

operator++ operator++(int) operator-- operator--(int)	erhöht oder vermindert den atomaren Wert um eins Original: increments or decrements the atomic value by one The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion)