std::atomic::load

<metanoindex/>

 

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 load( memory_order = std::memory_order_seq_cst ) const;		(depuis C++11)
T load( memory_order = std::memory_order_seq_cst ) const volatile;		(depuis C++11)

Atomiquement charges et retourne la valeur courante de la variable atomique. La mémoire est affectée en fonction de la valeur de memory_order .

Original:

Atomically loads and returns the current value of the atomic variable. Memory is affected according to the value of memory_order.

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

memory_order doit être l'un des std::memory_order_relaxed, std::memory_order_consume, std::memory_order_acquire ou std::memory_order_seq_cst. Sinon le comportement est indéfini .

Original:

memory_order must be one of std::memory_order_relaxed, std::memory_order_consume, std::memory_order_acquire or std::memory_order_seq_cst. Otherwise the behavior is undefined.

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

Paramètres

memory_order

-

contraintes d'ordre pour faire respecter la mémoire Original: memory order constraints to enforce The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Retourne la valeur

La valeur actuelle de la variable atomique .

Original:

The current value of the atomic variable.

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

Exceptions

noexcept specification:  

<tbody> </tbody>

noexcept

   (depuis C++11)

Voir aussi

operator T	charge une valeur d'un objet atomique Original: loads a value from an atomic object 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)
atomic_load atomic_load_explicit (C++11) (C++11)	obtient atomiquement la valeur stockée dans un objet atomique Original: atomically obtains the value stored in an atomic object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)