Namespace
Varianti

std::atomic_load, std::atomic_load_explicit

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
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 T >
T atomic_load( std::atomic<T>* obj );
(1) (dal C++11)
template< class T >
T atomic_load( volatile std::atomic<T>* obj );
(2) (dal C++11)
template< class T >

T atomic_load_explicit( std::atomic<T>* obj,

                        std::memory_order order );
(3) (dal C++11)
template< class T >

T atomic_load_explicit( volatile std::atomic<T>* obj,

                        std::memory_order order );
(4) (dal C++11)
1-2)
Atomico ottiene il valore puntato da obj come per obj->load()
Original:
Atomically obtains the value pointed to by obj as if by obj->load()
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3-4)
Atomico ottiene il valore puntato da obj come per obj->load(order)
Original:
Atomically obtains the value pointed to by obj as if by obj->load(order)
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Indice

[modifica] Parametri

obj -
puntatore all'oggetto atomica da modificare
Original:
pointer to the atomic object to modify
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order -
sycnhronization la memoria di ordinazione per questa operazione: solo std::memory_order_relaxed, std::memory_order_consume, std::memory_order_acquire e std::memory_order_seq_cst sono consentiti .
Original:
the memory sycnhronization ordering for this operation: only std::memory_order_relaxed, std::memory_order_consume, std::memory_order_acquire and std::memory_order_seq_cst are permitted.
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[modifica] Valore di ritorno

Il valore che si tiene dall'oggetto atomico puntato da obj
Original:
The value that is held by the atomic object pointed to by obj
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[modifica] Eccezioni

noexcept specification:  
noexcept
  (dal C++11)

[modifica] Vedi anche

(C++11)
atomicamente ottiene il valore dell'oggetto atomica
Original:
atomically obtains the value of the atomic object
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(membro pubblico of std::atomic funzione) [edit]
sostituisce atomicamente il valore dell'oggetto atomico con un non-atomica argomento
Original:
atomically replaces the value of the atomic object with a non-atomic argument
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(funzione di modello) [edit]
definisce i limiti di memoria di ordinazione per il data operazione atomica
Original:
defines memory ordering constraints for the given atomic operation
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(typedef) [edit]
specializzata operazioni atomiche per std :: shared_ptr
Original:
specializes atomic operations for std::shared_ptr
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(funzione di modello)
C documentation for atomic_load, atomic_load_explicit