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      std::atomic_fetch_and, std::atomic_fetch_and_explicit

      De cppreference.com

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      <metanoindex/>

       
      C++
       
      Biblioteca operações atômica
      Tipos
      Original:
      Types
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      (C++11)
      (C++11)
      Funções
      Original:
      Functions
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      (C++11)(C++11)
      (C++11)(C++11)
      (C++11)(C++11)
      (C++11)(C++11)(C++11)(C++11)
      (C++11)(C++11)
      (C++11)(C++11)
      (C++11)(C++11)
      (C++11)(C++11)
      (C++11)(C++11)
      Bandeiras atômicas
      Original:
      Atomic flags
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      (C++11)
      (C++11)(C++11)
      (C++11)(C++11)
      Inicialização
      Original:
      Initialization
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      (C++11)
      (C++11)
      (C++11)
      Memória de encomenda
      Original:
      Memory ordering
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      (C++11)
      (C++11)
      (C++11)
      (C++11)
       
      <tbody> </tbody>
      Definido no cabeçalho <atomic>
      template< class Integral > Integral atomic_fetch_and( std::atomic<Integral>* obj, Integral arg );
      		 (1) (desde C++11)
      template< class Integral > Integral atomic_fetch_and( volatile std::atomic<Integral>* obj, Integral arg );
      		 (2) (desde C++11)
      template< class Integral > Integral atomic_fetch_and_explicit( std::atomic<Integral>* obj, Integral arg, std::memory_order order);
      		 (3) (desde C++11)
      template< class Integral > Integral atomic_fetch_and_explicit( volatile std::atomic<Integral>* obj, Integral arg, std::memory_order order);
      		 (4) (desde C++11)

      1-2)

      Atomicamente substitui o valor apontado por arg com o resultado de bitwise AND entre o valor antigo de obj e arg, e retorna o valor obj realizada anteriormente, como por obj->fetch_and(arg)
      Original:
      Atomically replaces the value pointed by arg with the result of bitwise AND between the old value of obj and arg, and returns the value obj held previously, as if by obj->fetch_and(arg)
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      3-4)

      Atomicamente substitui o valor apontado por arg com o resultado de bitwise AND entre o valor antigo de obj e arg, e retorna o valor obj realizada anteriormente, como por obj->fetch_and(arg, order)
      Original:
      Atomically replaces the value pointed by arg with the result of bitwise AND between the old value of obj and arg, and returns the value obj held previously, as if by obj->fetch_and(arg, order)
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      Parâmetros

      obj -
      ponteiro para o objeto atômico modificar
      Original:
      pointer to the atomic object to modify
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      arg -
      o valor de bit a bit E para o valor armazenado no objeto atômico
      Original:
      the value to bitwise AND to the value stored in the atomic object
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      order -
      a sincronização da memória de ordenação para esta operação: todos os valores são permitidos .
      Original:
      the memory synchronization ordering for this operation: all values are permitted.
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      Valor de retorno

      O valor realizado anteriormente pelo objeto atômico apontado por obj
      Original:
      The value held previously by the atomic object pointed to by obj
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      Exceções

      noexcept specification:  
      <tbody> </tbody>
      noexcept
        (desde C++11)

      Possível implementação

      template< class T >
typename std::enable_if<std::is_integral<T>::value && !std::is_same<T, bool>::value, T>::type
    atomic_fetch_and(std::atomic<T>* obj, T arg);
{
    return obj->fetch_and(arg);
}

      Exemplo

      Esta seção está incompleta
      Motivo: sem exemplo

      Veja também

      (C++11)
      atomicamente executa bit a bit AND entre o argumento eo valor do objeto atômico e obtém o valor retido anteriormente
      Original:
      atomically performs bitwise AND between the argument and the value of the atomic object and obtains the value held previously
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      (of std::atomic função pública membro) [edit]
      (C++11)
      (C++11)
      substitui o objeto atômico com o resultado da lógica OU com um argumento não-atômico e obtém o valor anterior do nuclear
      Original:
      replaces the atomic object with the result of logical OR with a non-atomic argument and obtains the previous value of the atomic
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      (modelo de função) [edit]
      (C++11)
      (C++11)
      substitui o objeto atômico com o resultado da lógica XOR com um argumento não-atômico e obtém o valor anterior do nuclear
      Original:
      replaces the atomic object with the result of logical XOR with a non-atomic argument and obtains the previous value of the atomic
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      (modelo de função) [edit]
      Documentação C para atomic_fetch_and, atomic_fetch_and_explicit