Espaços nominais
Variantes
Acções

std::atomic_flag::test_and_set

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< cpp‎ | atomic‎ | atomic flag

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C++
 
Biblioteca operações atômica
Tipos
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Types
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(C++11)
(C++11)
Funções
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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
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Atomic flags
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(C++11)
(C++11)(C++11)
(C++11)(C++11)
Inicialização
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Initialization
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(C++11)
(C++11)
(C++11)
Memória de encomenda
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Memory ordering
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(C++11)
(C++11)
(C++11)
(C++11)
 
std::atomic_flag
Funções de membro
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Member functions
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atomic_flag::atomic_flag
atomic_flag::operator=
atomic_flag::clear
atomic_flag::test_and_set
 
Definido no cabeçalho <atomic>
bool test_and_set(std::memory_order order = std::memory_order_seq_cst) volatile;
 (1) (desde C++11)
bool test_and_set(std::memory_order order = std::memory_order_seq_cst);
 (2) (desde C++11)
Atomicamente altera o estado de um std::atomic_flag para definir (true) e retorna o valor que ele realizou antes.
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Atomically changes the state of a std::atomic_flag to set (true) and returns the value it held before.
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[editar] Parâmetros

order -
o sycnhronization memória de ordenação para esta operação
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the memory sycnhronization ordering for this operation
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[editar] Exceções

noexcept specification:  
noexcept
  (desde C++11)

[editar] Veja também
atomicamente define bandeira para false
Original:
atomically sets flag to false
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(função pública membro) [edit]
(C++11)
(C++11)
atomicamente define o sinalizador para true e retorna seu valor anterior
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atomically sets the flag to true and returns its previous value
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(função) [edit]
(C++11)
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]
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