Standard library header <atomic> (C++11)

From cppreference.net

Cet en-tête fait partie de la bibliothèque de prise en charge de la concurrence .

**Note:** Aucune traduction n'a été effectuée car : - Le texte `atomic_uchar` est un terme spécifique C++ (non traduisible) - Le texte `(C++11)` est une référence de version (non traduisible) - Le contenu dans les balises ` ` contient du code C++ (non traduisible) - Le texte `(typedef)` est un terme technique de programmation (non traduisible) Tous les termes techniques C++ et le code ont été préservés conformément aux instructions. **Note:** Aucune traduction n'a été effectuée car : - Tous les termes (`atomic_int_least16_t`, `std::atomic`, `std::int_least16_t`) sont des termes spécifiques au C++ qui ne doivent pas être traduits - Le texte `(C++11)` et `(typedef)` sont des indications techniques qui restent en anglais - Le contenu est principalement constitué de balises HTML et de code C++ **Note:** Aucune traduction n'a été effectuée car : - Tous les termes (`atomic_int_fast64_t`, `std::atomic`, `std::int_fast64_t`) sont des termes spécifiques au C++ qui ne doivent pas être traduits - Le texte `(C++11)` et `(typedef)` sont des annotations techniques qui restent en anglais dans la documentation technique - Le reste du contenu consiste uniquement en des balises HTML et du code C++

Table des matières

Classes

atomic

(C++11)

modèle de classe atomic et spécialisations pour bool, types entiers, types à virgule flottante, (depuis C++20) et types pointeurs
(modèle de classe)

atomic_ref

(C++20)

fournit des opérations atomiques sur des objets non atomiques
(modèle de classe)

atomic_flag

(C++11)

le type atomique booléen sans verrouillage
(classe)

memory_order

(C++11)

définit les contraintes d'ordonnancement de la mémoire pour l'opération atomique donnée
(enum)

atomic_bool

(C++11)

std:: atomic < bool >
(typedef)

atomic_char

(C++11)

std:: atomic < char >
(typedef)

atomic_schar

(C++11)

std:: atomic < signed char >
(typedef)

atomic_uchar

(C++11)

std:: atomic < unsigned char >
(typedef)

atomic_short

(C++11)

std:: atomic < short >
(typedef)

atomic_ushort

(C++11)

std:: atomic < unsigned short >
(typedef)

atomic_int

(C++11)

std:: atomic < int >
(typedef)

atomic_uint

(C++11)

std:: atomic < unsigned int >
(typedef)

atomic_long

(C++11)

std:: atomic < long >
(typedef)

atomic_ulong

(C++11)

std:: atomic < unsigned long >
(typedef)

atomic_llong

(C++11)

std:: atomic < long long >
(typedef)

atomic_ullong

(C++11)

std:: atomic < unsigned long long >
(typedef)

atomic_char8_t

(C++20)

std:: atomic < char8_t >
(typedef)

atomic_char16_t

(C++11)

std:: atomic < char16_t >
(typedef)

atomic_char32_t

(C++11)

std:: atomic < char32_t >
(typedef)

atomic_wchar_t

(C++11)

std:: atomic < wchar_t >
(typedef)

atomic_int8_t

(C++11) (optionnel)

std:: atomic < std:: int8_t >
(typedef)

atomic_uint8_t

(C++11) (optionnel)

std:: atomic < std:: uint8_t >
(typedef)

atomic_int16_t

(C++11) (optionnel)

std:: atomic < std:: int16_t >
(typedef)

atomic_uint16_t

(C++11) (optionnel)

std:: atomic < std:: uint16_t >
(typedef)

atomic_int32_t

(C++11) (optionnel)

std:: atomic < std:: int32_t >
(typedef)

atomic_uint32_t

(C++11) (optionnel)

std:: atomic < std:: uint32_t >
(typedef)

atomic_int64_t

(C++11) (optionnel)

std:: atomic < std:: int64_t >
(typedef)

atomic_uint64_t

(C++11) (optionnel)

std:: atomic < std:: uint64_t >
(typedef)

atomic_int_least8_t

(C++11)

std:: atomic < std:: int_least8_t >
(typedef)

atomic_uint_least8_t

(C++11)

std:: atomic < std:: uint_least8_t >
(typedef)

atomic_int_least16_t

(C++11)

std:: atomic < std:: int_least16_t >
(typedef)

atomic_uint_least16_t

(C++11)

std:: atomic < std:: uint_least16_t >
(typedef)

atomic_int_least32_t

(C++11)

std:: atomic < std:: int_least32_t >
(typedef)

atomic_uint_least32_t

(C++11)

std:: atomic < std:: uint_least32_t >
(typedef)

atomic_int_least64_t

(C++11)

std:: atomic < std:: int_least64_t >
(typedef)

atomic_uint_least64_t

(C++11)

std:: atomic < std:: uint_least64_t >
(typedef)

atomic_int_fast8_t

(C++11)

std:: atomic < std:: int_fast8_t >
(typedef)

atomic_uint_fast8_t

(C++11)

std:: atomic < std:: uint_fast8_t >
(typedef)

atomic_int_fast16_t

(C++11)

std:: atomic < std:: int_fast16_t >
(typedef)

atomic_uint_fast16_t

(C++11)

std:: atomic < std:: uint_fast16_t >
(typedef)

atomic_int_fast32_t

(C++11)

std:: atomic < std:: int_fast32_t >
(typedef)

atomic_uint_fast32_t

(C++11)

std:: atomic < std:: uint_fast32_t >
(typedef)

atomic_int_fast64_t

(C++11)

std:: atomic < std:: int_fast64_t >
(typedef)

atomic_uint_fast64_t

(C++11)

std:: atomic < std:: uint_fast64_t >
(typedef)

atomic_intptr_t

(C++11) (optionnel)

std:: atomic < std:: intptr_t >
(typedef)

atomic_uintptr_t

(C++11) (optionnel)

std:: atomic < std:: uintptr_t >
(typedef)

atomic_size_t

(C++11)

std:: atomic < std:: size_t >
(typedef)

atomic_ptrdiff_t

(C++11)

std:: atomic < std:: ptrdiff_t >
(typedef)

atomic_intmax_t

(C++11)

std:: atomic < std:: intmax_t >
(typedef)

atomic_uintmax_t

(C++11)

std:: atomic < std:: uintmax_t >
(typedef)

atomic_signed_lock_free

(C++20)

un type atomique entier signé sans verrouillage pour lequel l'attente/la notification est la plus efficace
(typedef)

atomic_unsigned_lock_free

(C++20)

un type atomique entier non signé sans verrouillage et pour lequel l'attente/la notification est la plus efficace
(typedef)

Fonctions

atomic_is_lock_free

(C++11)

vérifie si les opérations du type atomique sont sans verrou
(modèle de fonction)

atomic_store atomic_store_explicit

(C++11) (C++11)

remplace atomiquement la valeur de l'objet atomique par un argument non atomique
(modèle de fonction)

atomic_load atomic_load_explicit

(C++11) (C++11)

obtient atomiquement la valeur stockée dans un objet atomique
(modèle de fonction)

atomic_exchange atomic_exchange_explicit

(C++11) (C++11)

remplace atomiquement la valeur de l'objet atomique par l'argument non atomique et retourne l'ancienne valeur de l'atome
(modèle de fonction)

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)

compare atomiquement la valeur de l'objet atomique avec l'argument non-atomique et effectue un échange atomique si égal ou un chargement atomique sinon
(modèle de fonction)

atomic_fetch_add atomic_fetch_add_explicit

(C++11) (C++11)

ajoute une valeur non atomique à un objet atomique et obtient la valeur précédente de l'atome
(modèle de fonction)

atomic_fetch_sub atomic_fetch_sub_explicit

(C++11) (C++11)

soustrait une valeur non atomique d'un objet atomique et obtient la valeur précédente de l'atome
(modèle de fonction)

atomic_fetch_and atomic_fetch_and_explicit

(C++11) (C++11)

remplace l'objet atomique par le résultat du ET binaire avec un argument non atomique et obtient la valeur précédente de l'atome
(modèle de fonction)

atomic_fetch_or atomic_fetch_or_explicit

(C++11) (C++11)

remplace l'objet atomique par le résultat du OU binaire avec un argument non atomique et obtient la valeur précédente de l'atome
(modèle de fonction)

atomic_fetch_xor atomic_fetch_xor_explicit

(C++11) (C++11)

remplace l'objet atomique par le résultat du XOR bit à bit avec un argument non atomique et obtient la valeur précédente de l'atome
(modèle de fonction)

atomic_fetch_max atomic_fetch_max_explicit

(C++26) (C++26)

remplace l'objet atomique par le résultat de std::max avec un argument non atomique et obtient la valeur précédente de l'atome
(modèle de fonction)

atomic_fetch_min atomic_fetch_min_explicit

(C++26) (C++26)

remplace l'objet atomique par le résultat de std::min avec un argument non atomique et obtient la valeur précédente de l'atome
(modèle de fonction)

atomic_wait atomic_wait_explicit

(C++20) (C++20)

bloque le thread jusqu'à notification et changement de la valeur atomique
(modèle de fonction)

atomic_notify_one

(C++20)

notifie un thread bloqué dans atomic_wait
(modèle de fonction)

atomic_notify_all

(C++20)

notifie tous les threads bloqués dans atomic_wait
(modèle de fonction)

atomic_flag_test atomic_flag_test_explicit

(C++20) (C++20)

retourne atomiquement la valeur du drapeau
(fonction)

atomic_flag_test_and_set atomic_flag_test_and_set_explicit

(C++11) (C++11)

définit atomiquement le drapeau à true et retourne sa valeur précédente
(fonction)

atomic_flag_clear atomic_flag_clear_explicit

(C++11) (C++11)

définit atomiquement la valeur du drapeau à false
(fonction)

atomic_flag_wait atomic_flag_wait_explicit

(C++20) (C++20)

bloque le thread jusqu'à notification et changement du drapeau
(fonction)

atomic_flag_notify_one

(C++20)

notifie un thread bloqué dans atomic_flag_wait
(fonction)

atomic_flag_notify_all

(C++20)

notifie tous les threads bloqués dans atomic_flag_wait
(fonction)

atomic_init

(C++11) (obsolète en C++20)

initialisation non atomique d'un objet atomic construit par défaut
(modèle de fonction)

kill_dependency

(C++11) (déprécié en C++26)

supprime l'objet spécifié de l'arbre de dépendances std::memory_order_consume
(modèle de fonction)

atomic_thread_fence

(C++11)

primitive de synchronisation de barrière mémoire générique dépendant de l'ordre mémoire
(fonction)

atomic_signal_fence

(C++11)

barrière entre un thread et un gestionnaire de signal exécuté dans le même thread
(fonction)

Macros

ATOMIC_VAR_INIT

(C++11) (obsolète en C++20)

initialisation constante d'une variable atomique de durée de stockage statique
(macro de fonction)

ATOMIC_FLAG_INIT

(C++11)

initialise un std::atomic_flag à false
(constante macro)

Synopsis

namespace std {
  /* jusqu'à C++20 :
  enum memory_order {
    memory_order_relaxed,
    memory_order_consume,
    memory_order_acquire,
    memory_order_release,
    memory_order_acq_rel,
    memory_order_seq_cst
  };
  */
  enum class memory_order : /* non spécifié */;
  inline constexpr memory_order memory_order_relaxed = memory_order::relaxed;
  inline constexpr memory_order memory_order_consume = memory_order::consommer;
  inline constexpr memory_order memory_order_acquire = memory_order::acquérir;
  inline constexpr memory_order memory_order_release = memory_order::release;
  inline constexpr memory_order memory_order_acq_rel = memory_order::acq_rel;
  inline constexpr memory_order memory_order_seq_cst = memory_order::seq_cst;
  template<class T>
    T kill_dependency(T y) noexcept;
  // propriété sans verrouillage
  #define ATOMIC_BOOL_LOCK_FREE /* non spécifié */
  #define ATOMIC_CHAR_LOCK_FREE /* non spécifié */
  #define ATOMIC_CHAR8_T_LOCK_FREE /* non spécifié */
  #define ATOMIC_CHAR16_T_LOCK_FREE /* non spécifié */
  #define ATOMIC_CHAR32_T_LOCK_FREE /* non spécifié */
  #define ATOMIC_WCHAR_T_LOCK_FREE /* non spécifié */
  #define ATOMIC_SHORT_LOCK_FREE /* non spécifié */
  #define ATOMIC_INT_LOCK_FREE /* non spécifié */
  #define ATOMIC_LONG_LOCK_FREE /* non spécifié */
  #define ATOMIC_LLONG_LOCK_FREE /* non spécifié */
  #define ATOMIC_POINTER_LOCK_FREE /* non spécifié */
  // modèle de classe atomic_ref
  template<class T> struct atomic_ref;
  // spécialisation partielle pour les pointeurs
  template<class T> struct atomic_ref<T*>;
  // modèle de classe atomic
  template<class T> struct atomic;
  // spécialisation partielle pour les pointeurs
  template<class T> struct atomic<T*>;
  // fonctions non membres
  template<class T>
    bool atomic_is_lock_free(const volatile atomic<T>*) noexcept;
  template<class T>
    bool atomic_is_lock_free(const atomic<T>*) noexcept;
  template<class T>
    void atomic_store(volatile atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    void atomic_store(atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    void atomic_store_explicit(volatile atomic<T>*, typename atomic<T>::value_type,
                               memory_order) noexcept;
  template<class T>
    void atomic_store_explicit(atomic<T>*, typename atomic<T>::value_type,
                               memory_order) noexcept;
  template<class T>
    T atomic_load(const volatile atomic<T>*) noexcept;
  template<class T>
    T atomic_load(const atomic<T>*) noexcept;
  template<class T>
    T atomic_load_explicit(const volatile atomic<T>*, memory_order) noexcept;
  template<class T>
    T atomic_load_explicit(const atomic<T>*, memory_order) noexcept;
  template<class T>
    T atomic_exchange(volatile atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_exchange(atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_exchange_explicit(volatile atomic<T>*, typename atomic<T>::value_type,
                               memory_order) noexcept;
  template<class T>
    T atomic_exchange_explicit(atomic<T>*, typename atomic<T>::value_type,
                               memory_order) noexcept;
  template<class T>
    bool atomic_compare_exchange_weak(volatile atomic<T>*,
                                      typename atomic<T>::value_type*,
                                      typename atomic<T>::value_type) noexcept;
  template<class T>
    bool atomic_compare_exchange_weak(atomic<T>*,
                                      typename atomic<T>::value_type*,
                                      typename atomic<T>::value_type) noexcept;
  template<class T>
    bool atomic_compare_exchange_strong(volatile atomic<T>*,
                                        typename atomic<T>::value_type*,
                                        typename atomic<T>::value_type) noexcept;
  template<class T>
    bool atomic_compare_exchange_strong(atomic<T>*,
                                        typename atomic<T>::value_type*,
                                        typename atomic<T>::value_type) noexcept;
  template<class T>
    bool atomic_compare_exchange_weak_explicit(volatile atomic<T>*,
                                               typename atomic<T>::value_type*,
                                               typename atomic<T>::value_type,
                                               memory_order, memory_order) noexcept;
  template<class T>
    bool atomic_compare_exchange_weak_explicit(atomic<T>*,
                                               typename atomic<T>::value_type*,
                                               typename atomic<T>::value_type,
                                               memory_order, memory_order) noexcept;
  template<class T>
    bool atomic_compare_exchange_strong_explicit(volatile atomic<T>*,
                                                 typename atomic<T>::value_type*,
                                                 typename atomic<T>::value_type,
                                                 memory_order, memory_order) noexcept;
  template<class T>
    bool atomic_compare_exchange_strong_explicit(atomic<T>*,
                                                 typename atomic<T>::value_type*,
                                                 typename atomic<T>::value_type,
                                                 memory_order, memory_order) noexcept;
  template<class T>
    T atomic_fetch_add(volatile atomic<T>*, typename atomic<T>::difference_type) noexcept;
  template<class T>
    T atomic_fetch_add(atomic<T>*, typename atomic<T>::difference_type) noexcept;
  template<class T>
    T atomic_fetch_add_explicit(volatile atomic<T>*, typename atomic<T>::difference_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_add_explicit(atomic<T>*, typename atomic<T>::difference_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_sub(volatile atomic<T>*, typename atomic<T>::difference_type) noexcept;
  template<class T>
    T atomic_fetch_sub(atomic<T>*, typename atomic<T>::difference_type) noexcept;
  template<class T>
    T atomic_fetch_sub_explicit(volatile atomic<T>*, typename atomic<T>::difference_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_sub_explicit(atomic<T>*, typename atomic<T>::difference_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_and(volatile atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_fetch_and(atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_fetch_and_explicit(volatile atomic<T>*, typename atomic<T>::value_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_and_explicit(atomic<T>*, typename atomic<T>::value_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_or(volatile atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_fetch_or(atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_fetch_or_explicit(volatile atomic<T>*, typename atomic<T>::value_type,
                               memory_order) noexcept;
  template<class T>
    T atomic_fetch_or_explicit(atomic<T>*, typename atomic<T>::value_type,
                               memory_order) noexcept;
  template<class T>
    T atomic_fetch_xor(volatile atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_fetch_xor(atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_fetch_xor_explicit(volatile atomic<T>*, typename atomic<T>::value_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_xor_explicit(atomic<T>*, typename atomic<T>::value_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_max(volatile atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_fetch_max(atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_fetch_max_explicit(volatile atomic<T>*, typename atomic<T>::value_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_max_explicit(atomic<T>*, typename atomic<T>::value_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_min(volatile atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_fetch_min(atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    T atomic_fetch_min_explicit(volatile atomic<T>*, typename atomic<T>::value_type,
                                memory_order) noexcept;
  template<class T>
    T atomic_fetch_min_explicit(atomic<T>*, typename atomic<T>::value_type,
                                memory_order) noexcept;
  template<class T>
    void atomic_wait(const volatile atomic<T>*, typename atomic<T>::value_type);
  template<class T>
    void atomic_wait(const atomic<T>*, typename atomic<T>::value_type);
  template<class T>
    void atomic_wait_explicit(const volatile atomic<T>*,
                              typename atomic<T>::value_type, memory_order);
  template<class T>
    void atomic_wait_explicit(const atomic<T>*,
                              typename atomic<T>::value_type, memory_order);
  template<class T>
    void atomic_notify_one(volatile atomic<T>*);
  template<class T>
    void atomic_notify_one(atomic<T>*);
  template<class T>
    void atomic_notify_all(volatile atomic<T>*);
  template<class T>
    void atomic_notify_all(atomic<T>*);
  // alias de types
  using atomic_bool           = atomic<bool>;
  using atomic_char           = atomic<char>;
  using atomic_schar          = atomic<signed char>;
  using atomic_uchar          = atomic<unsigned char>;
  using atomic_short          = atomic<short>;
  using atomic_ushort         = atomic<unsigned short>;
  using atomic_int            = atomic<int>;
  using atomic_uint           = atomic<unsigned int>;
  using atomic_long           = atomic<long>;
  using atomic_ulong          = atomic<unsigned long>;
  using atomic_llong          = atomic<long long>;
  using atomic_ullong         = atomic<unsigned long long>;
  using atomic_char8_t        = atomic<char8_t>;
  using atomic_char16_t       = atomic<char16_t>;
  using atomic_char32_t       = atomic<char32_t>;
  using atomic_wchar_t        = atomic<wchar_t>;
  using atomic_int8_t         = atomic<int8_t>;
  using atomic_uint8_t        = atomic<uint8_t>;
  using atomic_int16_t        = atomic<int16_t>;
  using atomic_uint16_t       = atomic<uint16_t>;
  using atomic_int32_t        = atomic<int32_t>;
  using atomic_uint32_t       = atomic<uint32_t>;
  using atomic_int64_t        = atomic<int64_t>;
  using atomic_uint64_t       = atomic<uint64_t>;
  using atomic_int_least8_t   = atomic<int_least8_t>;
  using atomic_uint_least8_t  = atomic<uint_least8_t>;
  using atomic_int_least16_t  = atomic<int_least16_t>;
  using atomic_uint_least16_t = atomic<uint_least16_t>;
  using atomic_int_least32_t  = atomic<int_least32_t>;
  using atomic_uint_least32_t = atomic<uint_least32_t>;
  using atomic_int_least64_t  = atomic<int_least64_t>;
  using atomic_uint_least64_t = atomic<uint_least64_t>;
  using atomic_int_fast8_t    = atomic<int_fast8_t>;
  using atomic_uint_fast8_t   = atomic<uint_fast8_t>;
  using atomic_int_fast16_t   = atomic<int_fast16_t>;
  using atomic_uint_fast16_t  = atomic<uint_fast16_t>;
  using atomic_int_fast32_t   = atomic<int_fast32_t>;
  using atomic_uint_fast32_t  = atomic<uint_fast32_t>;
  using atomic_int_fast64_t   = atomic<int_fast64_t>;
  using atomic_uint_fast64_t  = atomic<uint_fast64_t>;
  using atomic_intptr_t       = atomic<intptr_t>;
  using atomic_uintptr_t      = atomic<uintptr_t>;
  using atomic_size_t         = atomic<size_t>;
  using atomic_ptrdiff_t      = atomic<ptrdiff_t>;
  using atomic_intmax_t       = atomic<intmax_t>;
  using atomic_uintmax_t      = atomic<uintmax_t>;
  using atomic_signed_lock_free   = /* voir description */;
  using atomic_unsigned_lock_free = /* voir description */;
  // type de drapeau et opérations
  struct atomic_flag;
  bool atomic_flag_test(const volatile atomic_flag*) noexcept;
  bool atomic_flag_test(const atomic_flag*) noexcept;
  bool atomic_flag_test_explicit(const volatile atomic_flag*, memory_order) noexcept;
  bool atomic_flag_test_explicit(const atomic_flag*, memory_order) noexcept;
  bool atomic_flag_test_and_set(volatile atomic_flag*) noexcept;
  bool atomic_flag_test_and_set(atomic_flag*) noexcept;
  bool atomic_flag_test_and_set_explicit(volatile atomic_flag*, memory_order) noexcept;
  bool atomic_flag_test_and_set_explicit(atomic_flag*, memory_order) noexcept;
  void atomic_flag_clear(volatile atomic_flag*) noexcept;
  void atomic_flag_clear(atomic_flag*) noexcept;
  void atomic_flag_clear_explicit(volatile atomic_flag*, memory_order) noexcept;
  void atomic_flag_clear_explicit(atomic_flag*, memory_order) noexcept;
  void atomic_flag_wait(const volatile atomic_flag*, bool) noexcept;
  void atomic_flag_wait(const atomic_flag*, bool) noexcept;
  void atomic_flag_wait_explicit(const volatile atomic_flag*,
                                 bool, memory_order) noexcept;
  void atomic_flag_wait_explicit(const atomic_flag*,
                                 bool, memory_order) noexcept;
  void atomic_flag_notify_one(volatile atomic_flag*) noexcept;
  void atomic_flag_notify_one(atomic_flag*) noexcept;
  void atomic_flag_notify_all(volatile atomic_flag*) noexcept;
  void atomic_flag_notify_all(atomic_flag*) noexcept;
  // barrières mémoire
  extern "C" void atomic_thread_fence(memory_order) noexcept;
  extern "C" void atomic_signal_fence(memory_order) noexcept;
}
// obsolète
namespace std {
  template<class T>
    void atomic_init(volatile atomic<T>*, typename atomic<T>::value_type) noexcept;
  template<class T>
    void atomic_init(atomic<T>*, typename atomic<T>::value_type) noexcept;
  #define ATOMIC_VAR_INIT(value) /* voir description */
  #define ATOMIC_FLAG_INIT /* voir description */
}

Modèle de classe std::atomic

namespace std {
  template<class T> struct atomic {
    using value_type = T;
    static constexpr bool is_always_lock_free = /* défini par l'implémentation */;
    bool is_lock_free() const volatile noexcept;
    bool is_lock_free() const noexcept;
    // opérations sur les types atomiques
    constexpr atomic() noexcept(is_nothrow_default_constructible_v<T>);
    constexpr atomic(T) noexcept;
    atomic(const atomic&) = delete;
    atomic& operator=(const atomic&) = delete;
    atomic& operator=(const atomic&) volatile = delete;
    T load(memory_order = memory_order::seq_cst) const volatile noexcept;
    T load(memory_order = memory_order::seq_cst) const noexcept;
    operator T() const volatile noexcept;
    operator T() const noexcept;
    void store(T, memory_order = memory_order::seq_cst) volatile noexcept;
    void store(T, memory_order = memory_order::seq_cst) noexcept;
    T operator=(T) volatile noexcept;
    T operator=(T) noexcept;
    T exchange(T, memory_order = memory_order::seq_cst) volatile noexcept;
    T exchange(T, memory_order = memory_order::seq_cst) noexcept;
    bool compare_exchange_weak(T&, T, memory_order, memory_order) volatile noexcept;
    bool compare_exchange_weak(T&, T, memory_order, memory_order) noexcept;
    bool compare_exchange_strong(T&, T, memory_order, memory_order) volatile noexcept;
    bool compare_exchange_strong(T&, T, memory_order, memory_order) noexcept;
    bool compare_exchange_weak(T&, T,
                               memory_order = memory_order::seq_cst) volatile noexcept;
    bool compare_exchange_weak(T&, T, memory_order = memory_order::seq_cst) noexcept;
    bool compare_exchange_strong(T&, T,
                                 memory_order = memory_order::seq_cst) volatile noexcept;
    bool compare_exchange_strong(T&, T, memory_order = memory_order::seq_cst) noexcept;
    void wait(T, memory_order = memory_order::seq_cst) const volatile noexcept;
    void wait(T, memory_order = memory_order::seq_cst) const noexcept;
    void notify_one() volatile noexcept;
    void notify_one() noexcept;
    void notify_all() volatile noexcept;
    void notify_all() noexcept;
  };
}

Spécialisations de std::atomic pour les types entiers

namespace std {
  template<> struct atomic</* intégral */> {
    using value_type = /* intégral */;
    using difference_type = value_type;
    static constexpr bool is_always_lock_free = /* défini par l'implémentation */;
    bool is_lock_free() const volatile noexcept;
    bool is_lock_free() const noexcept;
    constexpr atomic() noexcept;
    constexpr atomic(/* intégral */) noexcept;
    atomic(const atomic&) = delete;
    atomic& operator=(const atomic&) = delete;
    atomic& operator=(const atomic&) volatile = delete;
    void store(/* intégral */, memory_order = memory_order::seq_cst) volatile noexcept;
    void store(/* intégral */, memory_order = memory_order::seq_cst) noexcept;
    /* intégral */ operator=(/* intégral */) volatile noexcept;
    /* intégral */ operator=(/* intégral */) noexcept;
    /* intégral */ load(memory_order = memory_order::seq_cst) const volatile noexcept;
    /* intégral */ load(memory_order = memory_order::seq_cst) const noexcept;
    operator /* intégral */() const volatile noexcept;
    operator /* intégral */() const noexcept;
    /* intégral */ exchange(/* intégral */,
                        memory_order = memory_order::seq_cst) volatile noexcept;
    /* intégral */ exchange(/* intégral */,
                        memory_order = memory_order::seq_cst) noexcept;
    bool compare_exchange_weak(/* intégral */&, /* intégral */,
                               memory_order, memory_order) volatile noexcept;
    bool compare_exchange_weak(/* intégral */&, /* intégral */,
                               memory_order, memory_order) noexcept;
    bool compare_exchange_strong(/* intégral */&, /* intégral */,
                                 memory_order, memory_order) volatile noexcept;
    bool compare_exchange_strong(/* intégral */&, /* intégral */,
                                 memory_order, memory_order) noexcept;
    bool compare_exchange_weak(/* intégral */&, /* intégral */,
                               memory_order = memory_order::seq_cst) volatile noexcept;
    bool compare_exchange_weak(/* intégral */&, /* intégral */,
                               memory_order = memory_order::seq_cst) noexcept;
    bool compare_exchange_strong(/* intégral */&, /* intégral */,
                                 memory_order = memory_order::seq_cst) volatile noexcept;
    bool compare_exchange_strong(/* intégral */&, /* intégral */,
                                 memory_order = memory_order::seq_cst) noexcept;
    /* intégral */ fetch_add(/* intégral */,
                         memory_order = memory_order::seq_cst) volatile noexcept;
    /* intégral */ fetch_add(/* intégral */,
                         memory_order = memory_order::seq_cst) noexcept;
    /* intégral */ fetch_sub(/* intégral */,
                         memory_order = memory_order::seq_cst) volatile noexcept;
    /* intégral */ fetch_sub(/* intégral */,
                         memory_order = memory_order::seq_cst) noexcept;
    /* intégral */ fetch_and(/* intégral */,
                         memory_order = memory_order::seq_cst) volatile noexcept;
    /* intégral */ fetch_and(/* intégral */,
                         memory_order = memory_order::seq_cst) noexcept;
    /* intégral */ fetch_or(/* intégral */,
                         memory_order = memory_order::seq_cst) volatile noexcept;
    /* intégral */ fetch_or(/* intégral */,
                         memory_order = memory_order::seq_cst) noexcept;
    /* intégral */ fetch_xor(/* intégral */,
                         memory_order = memory_order::seq_cst) volatile noexcept;
    /* intégral */ fetch_xor(/* intégral */,
                         memory_order = memory_order::seq_cst) noexcept;
    /* intégral */ fetch_max(/* intégral */,
                         memory_order = memory_order::seq_cst) volatile noexcept;
    /* intégral */ fetch_max(/* intégral */,
                         memory_order = memory_order::seq_cst) noexcept;
    /* intégral */ fetch_min(/* intégral */,
                         memory_order = memory_order::seq_cst) volatile noexcept;
    /* intégral */ fetch_min(/* intégral */,
                         memory_order = memory_order::seq_cst) noexcept;
    /* intégral */ operator++(int) volatile noexcept;
    /* intégral */ operator++(int) noexcept;
    /* intégral */ operator--(int) volatile noexcept;
    /* intégral */ operator--(int) noexcept;
    /* intégral */ operator++() volatile noexcept;
    /* intégral */ operator++() noexcept;
    /* intégral */ operator--() volatile noexcept;
    /* intégral */ operator--() noexcept;
    /* intégral */ operator+=(/* intégral */) volatile noexcept;
    /* intégral */ operator+=(/* intégral */) noexcept;
    /* intégral */ operator-=(/* intégral */) volatile noexcept;
    /* intégral */ operator-=(/* intégral */) noexcept;
    /* intégral */ operator&=(/* intégral */) volatile noexcept;
    /* intégral */ operator&=(/* intégral */) noexcept;
    /* intégral */ operator|=(/* intégral */) volatile noexcept;
    /* intégral */ operator|=(/* intégral */) noexcept;
    /* intégral */ operator^=(/* intégral */) volatile noexcept;
    /* intégral */ operator^=(/* intégral */) noexcept;
    void wait(/* intégral */,
              memory_order = memory_order::seq_cst) const volatile noexcept;
    void wait(/* intégral */, memory_order = memory_order::seq_cst) const noexcept;
    void notify_one() volatile noexcept;
    void notify_one() noexcept;
    void notify_all() volatile noexcept;
    void notify_all() noexcept;
  };
}

Spécialisations de std::atomic pour les types à virgule flottante

namespace std {
  template<> struct atomic</* virgule flottante */> {
    using value_type = /* virgule flottante */;
    using difference_type = value_type;
    static constexpr bool is_always_lock_free = /* défini par l'implémentation */;
    bool is_lock_free() const volatile noexcept;
    bool is_lock_free() const noexcept;
    constexpr atomic() noexcept;
    constexpr atomic(/* virgule flottante */) noexcept;
    atomic(const atomic&) = delete;
    atomic& operator=(const atomic&) = delete;
    atomic& operator=(const atomic&) volatile = delete;
    void store(/* virgule flottante */,
               memory_order = memory_order_seq_cst) volatile noexcept;
    void store(/* virgule flottante */,
               memory_order = memory_order_seq_cst) noexcept;
    /* virgule flottante */ operator=(/* virgule flottante */) volatile noexcept;
    /* virgule flottante */ operator=(/* virgule flottante */) noexcept;
    /* virgule flottante */ load(memory_order = memory_order_seq_cst) volatile noexcept;
    /* virgule flottante */ load(memory_order = memory_order_seq_cst) noexcept;
    operator /* virgule flottante */() volatile noexcept;
    operator /* virgule flottante */() noexcept;
    /* virgule flottante */ exchange(/* virgule flottante */,
                            memory_order = memory_order_seq_cst) volatile noexcept;
    /* virgule flottante */ exchange(/* virgule flottante */,
                            memory_order = memory_order_seq_cst) noexcept;
    bool compare_exchange_weak(/* virgule flottante */&, /* virgule flottante */,
                               memory_order, memory_order) volatile noexcept;
    bool compare_exchange_weak(/* virgule flottante */&, /* virgule flottante */,
                               memory_order, memory_order) noexcept;
    bool compare_exchange_strong(/* virgule flottante */&, /* virgule flottante */,
                                 memory_order, memory_order) volatile noexcept;
    bool compare_exchange_strong(/* virgule flottante */&, /* virgule flottante */,
                                 memory_order, memory_order) noexcept;
    bool compare_exchange_weak(/* virgule flottante */&, /* virgule flottante */,
                               memory_order = memory_order_seq_cst) volatile noexcept;
    bool compare_exchange_weak(/* virgule flottante */&, /* virgule flottante */,
                               memory_order = memory_order_seq_cst) noexcept;
    bool compare_exchange_strong(/* virgule flottante */&, /* virgule flottante */,
                                 memory_order = memory_order_seq_cst) volatile noexcept;
    bool compare_exchange_strong(/* virgule flottante */&, /* virgule flottante */,
                                 memory_order = memory_order_seq_cst) noexcept;
    /* virgule flottante */ fetch_add(/* virgule flottante */,
                             memory_order = memory_order_seq_cst) volatile noexcept;
    /* virgule flottante */ fetch_add(/* virgule flottante */,
                             memory_order = memory_order_seq_cst) noexcept;
    /* virgule flottante */ fetch_sub(/* virgule flottante */,
                             memory_order = memory_order_seq_cst) volatile noexcept;
    /* virgule flottante */ fetch_sub(/* virgule flottante */,
                             memory_order = memory_order_seq_cst) noexcept;
    /* virgule flottante */ operator+=(/* virgule flottante */) volatile noexcept;
    /* virgule flottante */ operator+=(/* virgule flottante */) noexcept;
    /* virgule flottante */ operator-=(/* virgule flottante */) volatile noexcept;
    /* virgule flottante */ operator-=(/* virgule flottante */) noexcept;
    void wait(/* virgule flottante */,
              memory_order = memory_order::seq_cst) const volatile noexcept;
    void wait(/* virgule flottante */,
              memory_order = memory_order::seq_cst) const noexcept;
    void notify_one() volatile noexcept;
    void notify_one() noexcept;
    void notify_all() volatile noexcept;
    void notify_all() noexcept;
  };
}

Spécialisations de std::atomic pour les types pointeurs

namespace std {
  template<class T> struct atomic<T*> {
    using value_type = T*;
    using difference_type = ptrdiff_t;
    static constexpr bool is_always_lock_free = /* défini par l'implémentation */;
    bool is_lock_free() const volatile noexcept;
    bool is_lock_free() const noexcept;
    constexpr atomic() noexcept;
    constexpr atomic(T*) noexcept;
    atomic(const atomic&) = delete;
    atomic& operator=(const atomic&) = delete;
    atomic& operator=(const atomic&) volatile = delete;
    void store(T*, memory_order = memory_order::seq_cst) volatile noexcept;
    void store(T*, memory_order = memory_order::seq_cst) noexcept;
    T* operator=(T*) volatile noexcept;
    T* operator=(T*) noexcept;
    T* load(memory_order = memory_order::seq_cst) const volatile noexcept;
    T* load(memory_order = memory_order::seq_cst) const noexcept;
    operator T*() const volatile noexcept;
    operator T*() const noexcept;
    T* exchange(T*, memory_order = memory_order::seq_cst) volatile noexcept;
    T* exchange(T*, memory_order = memory_order::seq_cst) noexcept;
    bool compare_exchange_weak(T*&, T*, memory_order, memory_order) volatile noexcept;
    bool compare_exchange_weak(T*&, T*, memory_order, memory_order) noexcept;
    bool compare_exchange_strong(T*&, T*, memory_order, memory_order) volatile noexcept;
    bool compare_exchange_strong(T*&, T*, memory_order, memory_order) noexcept;
    bool compare_exchange_weak(T*&, T*,
                               memory_order = memory_order::seq_cst) volatile noexcept;
    bool compare_exchange_weak(T*&, T*,
                               memory_order = memory_order::seq_cst) noexcept;
    bool compare_exchange_strong(T*&, T*,
                                 memory_order = memory_order::seq_cst) volatile noexcept;
    bool compare_exchange_strong(T*&, T*,
                                 memory_order = memory_order::seq_cst) noexcept;
    T* fetch_add(ptrdiff_t, memory_order = memory_order::seq_cst) volatile noexcept;
    T* fetch_add(ptrdiff_t, memory_order = memory_order::seq_cst) noexcept;
    T* fetch_sub(ptrdiff_t, memory_order = memory_order::seq_cst) volatile noexcept;
    T* fetch_sub(ptrdiff_t, memory_order = memory_order::seq_cst) noexcept;
    T* fetch_max(T*, memory_order = memory_order::seq_cst) volatile noexcept;
    T* fetch_max(T*, memory_order = memory_order::seq_cst) noexcept;
    T* fetch_min(T*, memory_order = memory_order::seq_cst) volatile noexcept;
    T* fetch_min(T*, memory_order = memory_order::seq_cst) noexcept;
    T* operator++(int) volatile noexcept;
    T* operator++(int) noexcept;
    T* operator--(int) volatile noexcept;
    T* operator--(int) noexcept;
    T* operator++() volatile noexcept;
    T* operator++() noexcept;
    T* operator--() volatile noexcept;
    T* operator--() noexcept;
    T* operator+=(ptrdiff_t) volatile noexcept;
    T* operator+=(ptrdiff_t) noexcept;
    T* operator-=(ptrdiff_t) volatile noexcept;
    T* operator-=(ptrdiff_t) noexcept;
    void wait(T*, memory_order = memory_order::seq_cst) const volatile noexcept;
    void wait(T*, memory_order = memory_order::seq_cst) const noexcept;
    void notify_one() volatile noexcept;
    void notify_one() noexcept;
    void notify_all() volatile noexcept;
    void notify_all() noexcept;
  };
}

Modèle de classe std:: atomic_ref

namespace std {
  template<class T> struct atomic_ref {
  private:
    T* ptr;             // exposition uniquement
  public:
    using value_type = T;
    static constexpr size_t required_alignment = /* défini par l'implémentation */;
    static constexpr bool is_always_lock_free = /* défini par l'implémentation */;
    bool is_lock_free() const noexcept;
    explicit atomic_ref(T&);
    atomic_ref(const atomic_ref&) noexcept;
    atomic_ref& operator=(const atomic_ref&) = delete;
    void store(T, memory_order = memory_order_seq_cst) const noexcept;
    T operator=(T) const noexcept;
    T load(memory_order = memory_order_seq_cst) const noexcept;
    operator T() const noexcept;
    T exchange(T, memory_order = memory_order_seq_cst) const noexcept;
    bool compare_exchange_weak(T&, T,
                               memory_order, memory_order) const noexcept;
    bool compare_exchange_strong(T&, T,
                                 memory_order, memory_order) const noexcept;
    bool compare_exchange_weak(T&, T,
                               memory_order = memory_order_seq_cst) const noexcept;
    bool compare_exchange_strong(T&, T,
                                 memory_order = memory_order_seq_cst) const noexcept;
    void wait(T, memory_order = memory_order::seq_cst) const noexcept;
    void notify_one() const noexcept;
    void notify_all() const noexcept;
  };
}

Spécialisations de std:: atomic_ref pour les types entiers

namespace std {
  template<> struct atomic_ref</* integral */> {
  private:
    /* integral */* ptr;        // exposition uniquement
  public:
    using value_type = /* integral */;
    using difference_type = value_type;
    static constexpr size_t required_alignment = /* implementation-defined */;
    static constexpr bool is_always_lock_free = /* implementation-defined */;
    bool is_lock_free() const noexcept;
    explicit atomic_ref(/* integral */&);
    atomic_ref(const atomic_ref&) noexcept;
    atomic_ref& operator=(const atomic_ref&) = delete;
    void store(/* integral */, memory_order = memory_order_seq_cst) const noexcept;
    /* integral */ operator=(/* integral */) const noexcept;
    /* integral */ load(memory_order = memory_order_seq_cst) const noexcept;
    operator /* integral */() const noexcept;
    /* integral */ exchange(/* integral */,
                      memory_order = memory_order_seq_cst) const noexcept;
    bool compare_exchange_weak(/* integral */&, /* integral */,
                               memory_order, memory_order) const noexcept;
    bool compare_exchange_strong(/* integral */&, /* integral */,
                                 memory_order, memory_order) const noexcept;
    bool compare_exchange_weak(/* integral */&, /* integral */,
                               memory_order = memory_order_seq_cst) const noexcept;
    bool compare_exchange_strong(/* integral */&, /* integral */,
                                 memory_order = memory_order_seq_cst) const noexcept;
    /* integral */ fetch_add(/* integral */,
                       memory_order = memory_order_seq_cst) const noexcept;
    /* integral */ fetch_sub(/* integral */,
                       memory_order = memory_order_seq_cst) const noexcept;
    /* integral */ fetch_and(/* integral */,
                       memory_order = memory_order_seq_cst) const noexcept;
    /* integral */ fetch_or(/* integral */,
                      memory_order = memory_order_seq_cst) const noexcept;
    /* integral */ fetch_xor(/* integral */,
                       memory_order = memory_order_seq_cst) const noexcept;
    /* integral */ fetch_max(/* integral */,
                       memory_order = memory_order_seq_cst) const noexcept;
    /* integral */ fetch_min(/* integral */,
                       memory_order = memory_order_seq_cst) const noexcept;
    /* integral */ operator++(int) const noexcept;
    /* integral */ operator--(int) const noexcept;
    /* integral */ operator++() const noexcept;
    /* integral */ operator--() const noexcept;
    /* integral */ operator+=(/* integral */) const noexcept;
    /* integral */ operator-=(/* integral */) const noexcept;
    /* integral */ operator&=(/* integral */) const noexcept;
    /* integral */ operator

Spécialisations de std:: atomic_ref pour les types à virgule flottante

namespace std {
  template<> struct atomic_ref</* floating-point */> {
  private:
    /* floating-point */* ptr;  // exposition uniquement
  public:
    using value_type = /* floating-point */;
    using difference_type = value_type;
    static constexpr size_t required_alignment = /* défini par l'implémentation */;
    static constexpr bool is_always_lock_free = /* défini par l'implémentation */;
    bool is_lock_free() const noexcept;
    explicit atomic_ref(/* floating-point */&);
    atomic_ref(const atomic_ref&) noexcept;
    atomic_ref& operator=(const atomic_ref&) = delete;
    void store(/* floating-point */, memory_order = memory_order_seq_cst) const noexcept;
    /* floating-point */ operator=(/* floating-point */) const noexcept;
    /* floating-point */ load(memory_order = memory_order_seq_cst) const noexcept;
    operator /* floating-point */() const noexcept;
    /* floating-point */ exchange(/* floating-point */,
                            memory_order = memory_order_seq_cst) const noexcept;
    bool compare_exchange_weak(/* floating-point */&, /* floating-point */,
                               memory_order, memory_order) const noexcept;
    bool compare_exchange_strong(/* floating-point */&, /* floating-point */,
                                 memory_order, memory_order) const noexcept;
    bool compare_exchange_weak(/* floating-point */&, /* floating-point */,
                               memory_order = memory_order_seq_cst) const noexcept;
    bool compare_exchange_strong(/* floating-point */&, /* floating-point */,
                                 memory_order = memory_order_seq_cst) const noexcept;
    /* floating-point */ fetch_add(/* floating-point */,
                             memory_order = memory_order_seq_cst) const noexcept;
    /* floating-point */ fetch_sub(/* floating-point */,
                             memory_order = memory_order_seq_cst) const noexcept;
    /* floating-point */ operator+=(/* floating-point */) const noexcept;
    /* floating-point */ operator-=(/* floating-point */) const noexcept;
    void wait(/* floating-point */, memory_order = memory_order::seq_cst) const noexcept;
    void notify_one() const noexcept;
    void notify_all() const noexcept;
  };
}

Spécialisations de std:: atomic_ref pour les types pointeurs

namespace std {
  template<class T> struct atomic_ref<T*> {
  private:
    T** ptr;        // exposition uniquement
  public:
    using value_type = T*;
    using difference_type = ptrdiff_t;
    static constexpr size_t required_alignment = /* défini par l'implémentation */;
    static constexpr bool is_always_lock_free = /* défini par l'implémentation */;
    bool is_lock_free() const noexcept;
    explicit atomic_ref(T*&);
    atomic_ref(const atomic_ref&) noexcept;
    atomic_ref& operator=(const atomic_ref&) = delete;
    void store(T*, memory_order = memory_order_seq_cst) const noexcept;
    T* operator=(T*) const noexcept;
    T* load(memory_order = memory_order_seq_cst) const noexcept;
    operator T*() const noexcept;
    T* exchange(T*, memory_order = memory_order_seq_cst) const noexcept;
    bool compare_exchange_weak(T*&, T*,
                               memory_order, memory_order) const noexcept;
    bool compare_exchange_strong(T*&, T*,
                                 memory_order, memory_order) const noexcept;
    bool compare_exchange_weak(T*&, T*,
                               memory_order = memory_order_seq_cst) const noexcept;
    bool compare_exchange_strong(T*&, T*,
                                 memory_order = memory_order_seq_cst) const noexcept;
    T* fetch_add(difference_type, memory_order = memory_order_seq_cst) const noexcept;
    T* fetch_sub(difference_type, memory_order = memory_order_seq_cst) const noexcept;
    T* fetch_max(T *, memory_order = memory_order::seq_cst) const noexcept;
    T* fetch_min(T *, memory_order = memory_order::seq_cst) const noexcept;
    T* operator++(int) const noexcept;
    T* operator--(int) const noexcept;
    T* operator++() const noexcept;
    T* operator--() const noexcept;
    T* operator+=(difference_type) const noexcept;
    T* operator-=(difference_type) const noexcept;
    void wait(T*, memory_order = memory_order::seq_cst) const noexcept;
    void notify_one() const noexcept;
    void notify_all() const noexcept;
  };
}

Classe std::atomic_flag

namespace std {
  struct atomic_flag {
    constexpr atomic_flag() noexcept;
    atomic_flag(const atomic_flag&) = delete;
    atomic_flag& operator=(const atomic_flag&) = delete;
    atomic_flag& operator=(const atomic_flag&) volatile = delete;
    bool test(memory_order = memory_order::seq_cst) const volatile noexcept;
    bool test(memory_order = memory_order::seq_cst) const noexcept;
    bool test_and_set(memory_order = memory_order::seq_cst) volatile noexcept;
    bool test_and_set(memory_order = memory_order::seq_cst) noexcept;
    void clear(memory_order = memory_order::seq_cst) volatile noexcept;
    void clear(memory_order = memory_order::seq_cst) noexcept;
    void wait(bool, memory_order = memory_order::seq_cst) const volatile noexcept;
    void wait(bool, memory_order = memory_order::seq_cst) const noexcept;
    void notify_one() volatile noexcept;
    void notify_one() noexcept;
    void notify_all() volatile noexcept;
    void notify_all() noexcept;
  };
}

Compiler support
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Language
Standard library
Standard library headers
Named requirements
Feature test macros (C++20)
Language support library
Concepts library (C++20)
Diagnostics library
Memory management library
Metaprogramming library (C++11)
General utilities library
Containers library
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Standard library header <atomic> (C++11)

Table des matières

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Synopsis

Modèle de classe std::atomic

Spécialisations de std::atomic pour les types entiers

Spécialisations de std::atomic pour les types à virgule flottante

Spécialisations de std::atomic pour les types pointeurs

Modèle de classe std:: atomic_ref

Spécialisations de std:: atomic_ref pour les types entiers

Spécialisations de std:: atomic_ref pour les types à virgule flottante

Spécialisations de std:: atomic_ref pour les types pointeurs

Classe std::atomic_flag