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atomic_load, atomic_load_explicit

De cppreference.com
< c‎ | atomic

 
 
Operaciones de biblioteca Atómica
Tipos
Original:
Types
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memory_order
atomic_flag
Macros
Original:
Macros
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ATOMIC_***_LOCK_FREE
ATOMIC_FLAG_INIT
ATOMIC_VAR_INIT
kill_dependency
Funciones
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>
C atomic_load( volatile A* obj );
(1)
C atomic_load_explicit( volatile A* obj, memory_order order );
(2)
Atómicamente cargas y devuelve el valor actual de la variable atómica apuntada por obj. La operación es una operación atómica leer .
Original:
Atomically loads and returns the current value of the atomic variable pointed to by obj. The operation is atomic read operation.
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La primera versión de memoria de acuerdo con las órdenes accede memory_order_seq_cst, la segunda versión de la memoria de órdenes de acceso de acuerdo con order. order debe ser uno de memory_order_relaxed, memory_order_consume, memory_order_acquire o memory_order_seq_cst. De lo contrario el comportamiento no está definido .
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_consume, memory_order_acquire or memory_order_seq_cst. Otherwise the behavior is undefined.
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Este es un función genérica definida para todos los tipos de objetos atómicos. A es el tipo de un objeto atómico, C es del tipo no-atómico correspondiente a A .
Original:
This is a función genérica 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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[editar] Parámetros

obj -
puntero al objeto atómico acceder
Original:
pointer to the atomic object to access
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order -
la sincronización de la memoria de pedido para esta operación
Original:
the memory synchronization ordering for this operation
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[editar] Valor de retorno

El valor actual de la variable atómica apuntada por obj .
Original:
The current value of the atomic variable pointed to by obj.
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[editar] Ver también

almacena un valor en un objeto atómico
Original:
stores a value in an atomic object
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(función) [edit]
C++ documentation for atomic_load, atomic_load_explicit