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std::atomic_signal_fence

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
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Initialization
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atomic_init (C++11)
ATOMIC_VAR_INIT (C++11)
ATOMIC_FLAG_INIT (C++11)
Mémoire de la commande
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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>
extern "C" void atomic_signal_fence( std::memory_order order );
(depuis C++11)
Établit la synchronisation de mémoire de commande de la non-atomiques et détendue accès atomiques, comme indiqué par order, entre un thread et un gestionnaire de signal exécutés sur le même thread. Ceci est équivalent à std::atomic_thread_fence, à l'exception d'instructions CPU pour commander la mémoire sont émises. Seulement réorganisation des instructions par le compilateur est supprimé en tant que order instruit. Par exemple, écrit ne peut pas être déplacé au-delà d'une clôture avec une sémantique de libération et lit ne peut pas être passé devant une clôture avec l'acquisition sémantique .
Original:
Establishes memory synchronization ordering of non-atomic and relaxed atomic accesses, as instructed by order, between a thread and a signal handler executed on the same thread. This is equivalent to std::atomic_thread_fence, except no CPU instructions for memory ordering are issued. Only reordering of the instructions by the compiler is suppressed as order instructs. For example, writes cannot be moved past a fence with release semantics and reads cannot be moved ahead of a fence with acquire semantics.
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Sommaire

[modifier] Paramètres

order -
la mémoire ordonnancement exécuté par cette clôture
Original:
the memory ordering executed by this fence
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[modifier] Retourne la valeur

(Aucun)
Original:
(none)
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[modifier] Exceptions

noexcept specification:  
noexcept
   (depuis C++11)

[modifier] Voir aussi

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]
mémoire générique dépendant de l'ordre de synchronisation clôture primitive
Original:
generic memory order-dependent fence synchronization primitive
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(fonction) [edit]
C documentation for atomic_signal_fence