Namespace
Varianti

ATOMIC_VAR_INIT

Da cppreference.com.
< cpp‎ | atomic

 
 
Atomic operazioni di biblioteca
Tipi
Original:
Types
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atomic(C++11)
atomic_is_lock_free(C++11)
Funzioni
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)
Bandiere Atomic
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)
Inizializzazione
Original:
Initialization
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atomic_init(C++11)
ATOMIC_VAR_INIT(C++11)
ATOMIC_FLAG_INIT(C++11)
Memoria di ordinazione
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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>
#define ATOMIC_VAR_INIT(value) /* implementation-defined */
Espande l'espressione che può essere utilizzato per inizializzare un oggetto std::atomic che può essere inizializzato da value. Se l'oggetto atomico ha una durata di archiviazione statica, questa inizializzazione è inizializzazione delle costanti.
Original:
Expands the an expression which can be used to initialize an std::atomic object that can be initialized from value. If the atomic object has static storage duration, this initialization is inizializzazione delle costanti.
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[modifica] Note

Accesso alla variabile durante l'inizializzazione da un altro thread, anche attraverso un'operazione atomica, è una gara di dati (può accadere se l'indirizzo è immediatamente passato a un altro thread con un'operazione std::memory_order_relaxed)
Original:
Accessing the variable during initialization from another thread, even through an atomic operation, is a data race (it may happen if the address is immediately passed to another thread with a std::memory_order_relaxed operation)
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Questa macro è principalmente fornito per la compatibilità con C, ma si comporta come il costruttore di std::atomic.
Original:
This macro is primarily provided for compatibility with C; it behaves the same as the constructor of std::atomic.
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[modifica] Esempio

[modifica] Vedi anche

non-atomic initialization of a default-constructed atomic object
(funzione di modello) [edit]
costruisce un oggetto atomico
Original:
constructs an atomic object
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(membro pubblico of std::atomic funzione) [edit]