std::atomic_load, std::atomic_load_explicit

 

C++

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Bibliothèque de conteneurs

Bibliothèque d'algorithmes

Bibliothèque d'itérateurs

Bibliothèque pour le calcul numérique

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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)

 

Déclaré dans l'en-tête <atomic>
template<class T > T atomic_load(std::atomic<T>* obj );	(1)	(depuis C++11)
template<class T > T atomic_load(volatilestd::atomic<T>* obj );	(2)	(depuis C++11)
template<class T > T atomic_load_explicit(std::atomic<T>* obj,                         std::memory_order order );	(3)	(depuis C++11)
template<class T > T atomic_load_explicit(volatilestd::atomic<T>* obj,                         std::memory_order order );	(4)	(depuis C++11)

1-2)

Obtient atomiquement la valeur pointée par obj comme par obj->load()

Original:

Atomically obtains the value pointed to by obj as if by obj->load()

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3-4)

Obtient atomiquement la valeur pointée par obj comme par obj->load(order)

Original:

Atomically obtains the value pointed to by obj as if by obj->load(order)

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Paramètres

obj	-	pointeur vers l'objet à modifier atomique Original: pointer to the atomic object to modify The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
order	-	sycnhronization la mémoire de commande pour cette opération: seulement std::memory_order_relaxed, std::memory_order_consume, std::memory_order_acquire et std::memory_order_seq_cst sont autorisés . Original: the memory sycnhronization ordering for this operation: only std::memory_order_relaxed, std::memory_order_consume, std::memory_order_acquire and std::memory_order_seq_cst are permitted. 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 qui est tenu par l'objet atomique pointée par obj

Original:

The value that is held by the atomic object pointed to by obj

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Exceptions

noexcept specification:  

noexcept

   (depuis C++11)

Voir aussi

load (C++11)	obtient atomiquement la valeur de l'objet atomique Original: atomically obtains the value of the 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 de std::atomic)
atomic_store atomic_store_explicit (C++11) (C++11)	remplace atomiquement la valeur de l'objet atomique avec un argument non-atomique Original: atomically replaces the value of the atomic object with a non-atomic argument The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
memory_order (C++11)	définit des contraintes de mémoire de commande pour l'opération donnée atomique Original: defines memory ordering constraints for the given atomic operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (typedef)
std::atomic_load(std::shared_ptr) std::atomic_load_explicit(std::shared_ptr)	se spécialise opérations atomiques pour std :: shared_ptr Original: specializes atomic operations for std::shared_ptr The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
C documentation for atomic_load, atomic_load_explicit