Namespace
Varianti

atomic_load, atomic_load_explicit

Da cppreference.com.
< c‎ | atomic

 
 
Atomic operazioni di biblioteca
Tipi
Original:
Types
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memory_order
atomic_flag
Macro
Original:
Macros
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ATOMIC_***_LOCK_FREE
ATOMIC_FLAG_INIT
ATOMIC_VAR_INIT
kill_dependency
Funzioni
Original:
Functions
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atomic_flag_test_and_set
atomic_flag_clear
atomic_init
atomic_is_lock_free
atomic_store
atomic_load
atomic_exchange
atomic_compare_exchange
atomic_fetch_add
atomic_fetch_sub
atomic_fetch_or
atomic_fetch_xor
atomic_fetch_and
atomic_thread_fence
atomic_signal_fence
 
Defined in header <stdatomic.h>
void atomic_store( volatile A* obj , C desired);
(1)
void atomic_store_explicit( volatile A* obj, C desired, memory_order order );
(2)
Atomicamente sostituisce il valore della variabile atomica puntata da obj con desired. L'operazione è operazione wrire atomica.
Original:
Atomically replaces the value of the atomic variable pointed to by obj with desired. The operation is atomic wrire operation.
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La prima memoria versione ordini accessi secondo memory_order_seq_cst, la seconda memoria versione ordini accessi secondo order. order deve essere uno dei memory_order_relaxed, memory_order_release o memory_order_seq_cst. In caso contrario, il comportamento non è definito.
Original:
The first version orders memory accesses according to memory_order_seq_cst, the second version orders memory accesses according to order. order must be one of memory_order_relaxed, memory_order_release or memory_order_seq_cst. Otherwise the behavior is undefined.
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Questo è un funzione generica definita per ogni tipologia di oggetto atomici. A è il tipo di oggetti atomici, C è il non-atomico tipo corrispondente al A.
Original:
This is a funzione generica defined for all atomic object types. A is the type of an atomic object, C is the non-atomic type corresponding to A.
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[modifica] Parametri

obj -
puntatore all'oggetto atomica da modificare
Original:
pointer to the atomic object to modify
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order -
la sincronizzazione memoria ordinazione per questa operazione
Original:
the memory synchronization ordering for this operation
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[modifica] Valore di ritorno

(Nessuno)
Original:
(none)
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[modifica] Vedi anche

legge un valore da un oggetto atomico
Original:
reads a value from an atomic object
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(funzione) [edit]
C++ documentation for atomic_store, atomic_store_explicit