std::atomic::operator++,++(int),--,--(int)

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C++

Langage

Concepts

Bibliothèque d'utilitaires

Bibliothèque pour les chaînes de caractères

Bibliothèque de conteneurs

Bibliothèque d'algorithmes

Bibliothèque d'itérateurs

Bibliothèque pour le calcul numérique

Bibliothèque pour les entrées/sorties

Bibliothèque pour la régionalisation

Bibliothèque pour les expressions régulières (C++11)

Bibliothèque pour les opérations atomiques (C++11)

Bibliothèque pour les processus légers (threads) (C++11)

 

Atomique opérations de la bibliothèque

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)

Fonctions 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)

Drapeaux atomiques 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)

Initialisation 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)

Mémoire de la commande 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

Les fonctions membres 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

Fonctions membres spécialisés 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^=

 

<tbody> </tbody>

T operator++(); T operator++() volatile;	(1)	( seul membre de spécialisation de template atomic<Integral> Original: member only of atomic<Integral> template specialization The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. ) (depuis C++11)
T* operator++(); T* operator++() volatile;	(1)	( seul membre de spécialisation de template atomic<T*> Original: member only of atomic<T*> template specialization The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. ) (depuis C++11)
T operator++( int ); T operator++( int ) volatile;	(2)	( seul membre de spécialisation de template atomic<Integral> Original: member only of atomic<Integral> template specialization The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. ) (depuis C++11)
T* operator++( int ); T* operator++( int ) volatile;	(2)	( seul membre de spécialisation de template atomic<T*> Original: member only of atomic<T*> template specialization The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. ) (depuis C++11)
T operator--(); T operator--() volatile;	(3)	( seul membre de spécialisation de template atomic<Integral> Original: member only of atomic<Integral> template specialization The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. ) (depuis C++11)
T* operator--(); T* operator--() volatile;	(3)	( seul membre de spécialisation de template atomic<T*> Original: member only of atomic<T*> template specialization The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. ) (depuis C++11)
T operator--( int ); T operator--( int ) volatile;	(4)	( seul membre de spécialisation de template atomic<Integral> Original: member only of atomic<Integral> template specialization The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. ) (depuis C++11)
T* operator--( int ); T* operator--( int ) volatile;	(4)	( seul membre de spécialisation de template atomic<T*> Original: member only of atomic<T*> template specialization The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. ) (depuis C++11)

Atomiquement incrémente ou décrémente la valeur actuelle. L'opération est en lecture-modification-écriture .

Original:

Atomically increments or decrements the current value. The operation is read-modify-write operation.

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1)

Effectue atomique pré-incrémentation. Equivalent à fetch_add(1)+1 .

Original:

Performs atomic pre-increment. Equivalent to fetch_add(1)+1.

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2)

Effectue atomique post-incrémentation. Equivalent à fetch_add(1) .

Original:

Performs atomic post-increment. Equivalent to fetch_add(1).

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3)

Effectue atomique pré-décrémentation. Equivalent à fetch_sub(1)-1

Original:

Performs atomic pre-decrement. Equivalent to fetch_sub(1)-1

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4)

Effectue atomique post-décrémentation. Equivalent à fetch_sub(1) .

Original:

Performs atomic post-decrement. Equivalent to fetch_sub(1).

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Pour les types de Integral signés, l'arithmétique est défini pour utiliser la représentation en complément à deux. Il

Original:

For signed Integral types, arithmetic is defined to use two’s complement representation. There

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n'y a pas de résultats indéfinis. Pour les types de T*, le résultat peut être une adresse définie, mais les opérations n'ont autrement pas de comportement indéfini .

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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Paramètres

(Aucun)

Original:

(none)

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Retourne la valeur

@ 1,3 @ La valeur de la variable atomique après la modification .

Original:

@1,3@ The value of the atomic variable after the modification.

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@ 2,4 @ La valeur de la variable atomique avant la modification .

Original:

@2,4@ The value of the atomic variable before the modification.

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Exceptions

noexcept specification:  

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noexcept

   (depuis C++11)

Voir aussi

operator+= operator-= operator&= operator|= operator^=	additionne, soustrait, ou effectue XOR au niveau du bit AND, OR, avec la valeur atomique Original: adds, subtracts, or performs bitwise AND, OR, XOR with the atomic value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique)