Espaços nominais
Variantes
Acções

std::atomic_load, std::atomic_load_explicit

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< cpp‎ | atomic

 
 
Biblioteca operações atômica
Tipos
Original:
Types
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atomic(C++11)
atomic_is_lock_free(C++11)
Funções
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)
Bandeiras atômicas
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)
Inicialização
Original:
Initialization
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atomic_init(C++11)
ATOMIC_VAR_INIT(C++11)
ATOMIC_FLAG_INIT(C++11)
Memória de encomenda
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) (a partir do C++ 11)
template< class T >
T atomic_load( volatile std::atomic<T>* obj );
(2) (a partir do C++ 11)
template< class T >

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

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

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

                        std::memory_order order );
(4) (a partir do C++ 11)
1-2)
Atomicamente obtém o valor apontado por obj como se por obj->load()
Original:
Atomically obtains the value pointed to by obj as if by obj->load()
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3-4)
Atomicamente obtém o valor apontado por obj como se por obj->load(order)
Original:
Atomically obtains the value pointed to by obj as if by obj->load(order)
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Índice

[editar] Parâmetros

obj -
ponteiro para o objeto atômico modificar
Original:
pointer to the atomic object to modify
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order -
o sycnhronization memória encomenda para essa operação: apenas std::memory_order_relaxed, std::memory_order_consume, std::memory_order_acquire e std::memory_order_seq_cst são permitidos .
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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[editar] Valor de retorno

O valor que é realizada pelo objeto atômico apontado por obj
Original:
The value that is held by the atomic object pointed to by obj
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[editar] Exceções

noexcept specification:  
noexcept
  (a partir do C++ 11)

[editar] Veja também

(C++11)
atomicamente obtém o valor do objecto atómica
Original:
atomically obtains the value of the atomic object
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(of std::atomic função pública membro) [edit]
atomicamente substitui o valor do objeto atômico com um argumento não-atômica
Original:
atomically replaces the value of the atomic object with a non-atomic argument
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(modelo de função) [edit]
define restrições de memória de encomenda para a operação dada atômica
Original:
defines memory ordering constraints for the given atomic operation
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(typedef) [edit]
especializada operações atômicas para std :: shared_ptr
Original:
specializes atomic operations for std::shared_ptr
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(modelo de função)
C documentation for atomic_load, atomic_load_explicit