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std::atomic_load, std::atomic_load_explicit

De cppreference.com
< cpp‎ | atomic

 
 
Atomique opérations de la bibliothèque
Types
Original:
Types
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atomic (C++11)
atomic_is_lock_free (C++11)
Fonctions
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)
Drapeaux atomiques
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)
Initialisation
Original:
Initialization
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atomic_init (C++11)
ATOMIC_VAR_INIT (C++11)
ATOMIC_FLAG_INIT (C++11)
Mémoire de la commande
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)
 
Defined in header <atomic>
template< class T >
T atomic_load( std::atomic<T>* obj );
(1) (depuis C++11)
template< class T >
T atomic_load( volatile std::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( volatile std::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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Sommaire

[modifier] Paramètres

obj -
pointeur vers l'objet à modifier atomique
Original:
pointer to the atomic object to modify
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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.
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[modifier] 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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[modifier] Exceptions

noexcept specification:  
noexcept
   (depuis C++11)

[modifier] Voir aussi

(C++11)
obtient atomiquement la valeur de l'objet atomique
Original:
atomically obtains the value of the atomic object
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(fonction membre publique de std::atomic) [edit]
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
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(fonction générique) [edit]
définit des contraintes de mémoire de commande pour l'opération donnée atomique
Original:
defines memory ordering constraints for the given atomic operation
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(typedef) [edit]
se spécialise opérations atomiques pour std :: shared_ptr
Original:
specializes atomic operations for std::shared_ptr
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(fonction générique)
C documentation for atomic_load, atomic_load_explicit