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atomic_load, atomic_load_explicit

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< c‎ | atomic

 
 
Atomique opérations de la bibliothèque
Types
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Types
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memory_order
atomic_flag
Macros
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Macros
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ATOMIC_***_LOCK_FREE
ATOMIC_FLAG_INIT
ATOMIC_VAR_INIT
kill_dependency
Fonctions
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Functions
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atomic_flag_test_and_set
atomic_flag_clear
atomic_init
atomic_is_lock_free
atomic_store
atomic_load
atomic_exchange
atomic_compare_exchange
atomic_fetch_add
atomic_fetch_sub
atomic_fetch_or
atomic_fetch_xor
atomic_fetch_and
atomic_thread_fence
atomic_signal_fence
 
Defined in header <stdatomic.h>
C atomic_load( volatile A* obj );
(1)
C atomic_load_explicit( volatile A* obj, memory_order order );
(2)
Atomiquement charges et retourne la valeur courante de la variable atomique pointée par obj. L'opération est atomique opération de lecture .
Original:
Atomically loads and returns the current value of the atomic variable pointed to by obj. The operation is atomic read operation.
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La première version de la mémoire accède à savoir selon la memory_order_seq_cst, la deuxième version de mémoire accède à savoir selon la order. order doit être l'un des memory_order_relaxed, memory_order_consume, memory_order_acquire ou memory_order_seq_cst. Sinon le comportement est indéfini .
Original:
The first version orders memory accesses according to memory_order_seq_cst, the second version orders memory accesses according to order. order must be one of memory_order_relaxed, memory_order_consume, memory_order_acquire or memory_order_seq_cst. Otherwise the behavior is undefined.
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Il s'agit d'une fonction générique définis pour tous les types d'objets atomiques. A est le type d'un objet atomique, C est du type non-atomique correspondant à A .
Original:
This is a fonction générique defined for all atomic object types. A is the type of an atomic object, C is the non-atomic type corresponding to A.
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[modifier] Paramètres

obj -
pointeur vers l'objet pour ouvrir atomique
Original:
pointer to the atomic object to access
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order -
la synchronisation de mémoire de commande pour cette opération
Original:
the memory synchronization ordering for this operation
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[modifier] Retourne la valeur

La valeur actuelle de la variable atomique pointée par obj .
Original:
The current value of the atomic variable pointed to by obj.
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[modifier] Voir aussi

stocke une valeur dans un objet atomique
Original:
stores a value in an atomic object
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(fonction) [edit]
C++ documentation for atomic_load, atomic_load_explicit