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std::atomic_fetch_or, std::atomic_fetch_or_explicit

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< 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 Integral >
Integral atomic_fetch_or( std::atomic<Integral>* obj, Integral arg );
(1) (depuis C++11)
template< class Integral >
Integral atomic_fetch_or( volatile std::atomic<Integral>* obj, Integral arg );
(2) (depuis C++11)
template< class Integral >

Integral atomic_fetch_or_explicit( std::atomic<Integral>* obj, Integral arg,

                                   std::memory_order order );
(3) (depuis C++11)
template< class Integral >

Integral atomic_fetch_or_explicit( volatile std::atomic<Integral>* obj, Integral arg,

                                   std::memory_order order );
(4) (depuis C++11)
1-2)
Remplace atomiquement la valeur pointée par arg avec le résultat d'un OU binaire entre l'ancienne valeur de obj et arg, et renvoie la valeur obj déjà jugé, comme si par obj->fetch_and(arg)
Original:
Atomically replaces the value pointed by arg with the result of bitwise OR between the old value of obj and arg, and returns the value obj held previously, as if by obj->fetch_and(arg)
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3-4)
Remplace atomiquement la valeur pointée par arg avec le résultat d'un OU binaire entre l'ancienne valeur de obj et arg, et renvoie la valeur obj déjà jugé, comme si par obj->fetch_and(arg, order)
Original:
Atomically replaces the value pointed by arg with the result of bitwise OR between the old value of obj and arg, and returns the value obj held previously, as if by obj->fetch_and(arg, 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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arg -
la valeur de bit ou à la valeur stockée dans l'objet atomique
Original:
the value to bitwise OR to the value stored in the atomic object
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order -
sycnhronization la mémoire de commande pour cette opération: toutes les valeurs sont autorisées .
Original:
the memory sycnhronization ordering for this operation: all values are permitted.
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[modifier] Retourne la valeur

La valeur détenue précédemment par l'objet atomique pointée par obj
Original:
The value held previously by the atomic object pointed to by obj
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[modifier] Exceptions

noexcept specification:  
noexcept
   (depuis C++11)

[modifier] Mise en œuvre possible

template< class T >
typename std::enable_if<std::is_integral<T>::value && !std::is_same<T, bool>::value, T>::type
atomic_fetch_or( std::atomic<T>* obj, T arg );
{
    return obj->fetch_or(arg);
}

[modifier] Exemple

[modifier] Voir aussi

(C++11)
effectue un OU binaire atomique entre l'argument et la valeur de l'objet atomique et obtient la valeur détenue précédemment
Original:
atomically performs bitwise OR between the argument and the value of the atomic object and obtains the value held previously
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(fonction membre publique de std::atomic) [edit]
remplace l'objet atomique avec le résultat de la combinaison logique ET avec un argument non atomique et obtient la valeur précédente de l'atome
Original:
replaces the atomic object with the result of logical AND with a non-atomic argument and obtains the previous value of the atomic
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(fonction générique) [edit]
remplace l'objet atomique avec le résultat de la logique XOR avec un argument non atomique et obtient la valeur précédente de l'atome
Original:
replaces the atomic object with the result of logical XOR with a non-atomic argument and obtains the previous value of the atomic
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(fonction générique) [edit]
C documentation for atomic_fetch_or, atomic_fetch_or_explicit