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std::promise::set_value_at_thread_exit

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< cpp‎ | thread‎ | promise

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C++
 
Biblioteca de suporte a discussão
Threads
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Threads
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(C++11)
this_thread namespace
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this_thread namespace
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(C++11)
(C++11)
(C++11)
(C++11)
Exclusão mútua
Original:
Mutual exclusion
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(C++11)
(C++11)
Gestão de bloqueio genérico
Original:
Generic lock management
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(C++11)
(C++11)
(C++11)(C++11)(C++11)
(C++11)
(C++11)
(C++11)(C++11)(C++11)
Variáveis ​​de condição
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Condition variables
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Futuros
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Futures
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std::promise
Funções de membro
Original:
Member functions
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promise::promise
promise::~promise
promise::operator=
promise::swap
Obtendo o resultado
Original:
Getting the result
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promise::get_future
Definir o resultado
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Setting the result
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promise::set_value
promise::set_value_at_thread_exit
promise::set_exception
promise::set_exception_at_thread_exit
 
void set_value_at_thread_exit( const R& value );
 (1) (único membro da modelo promise genérico)
(desde C++11)
void set_value_at_thread_exit( R&& value );
 (2) (único membro da modelo promise genérico)
(desde C++11)
void set_value_at_thread_exit( R& value );
 (3) (único membro da promise<R&> especialização modelo)
(desde C++11)
void set_value_at_thread_exit()
 (4) (único membro da promise<void> especialização modelo)
(desde C++11)
Armazena o value no estado compartilhado sem fazer o estado de pronto imediatamente. O estado está preparado quando a thread atual, após todas as variáveis ​​com duração de segmento local de armazenamento foram destruídos.
Original:
Stores the value into the shared state without making the state ready immediately. The state is made ready when the current thread exits, after all variables with thread-local storage duration have been destroyed.
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A operação é atômica, ou seja, ele se comporta como se adquirir um mutex único associado com o objeto promessa ao atualizar o objeto promessa.
Original:
The operation is atomic, i.e. it behaves as though they acquire a single mutex associated with the promise object while updating the promise object.
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Uma exceção é lançada se não há nenhum estado compartilhado ou o estado compartilhado já armazena um valor ou uma exceção.
Original:
An exception is thrown if there is no shared state or the shared state already stores a value or exception.
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Índice

[editar] Parâmetros

value -
valor para armazenar no estado compartilhado
Original:
value to store in the shared state
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[editar] Valor de retorno

(Nenhum)
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(none)
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[editar] Exceções

std::future_error com as seguintes condições:
Original:
std::future_error on the following conditions:
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  • *this não tem estado compartilhado. A categoria de erro é definido para no_state.
    Original:
    *this has no shared state. The error category is set to no_state.
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  • O estado compartilhado já armazena um valor ou uma exceção. A categoria de erro é definido para promise_already_satisfied.
    Original:
    The shared state already stores a value or exception. The error category is set to promise_already_satisfied.
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Além disso:
Original:
Additionally:
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1-2)
Qualquer exceção lançada pelo construtor de cópia de value
Original:
Any exception thrown by the copy constructor of value
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3)
Qualquer exceção lançada pelo construtor movimento de value
Original:
Any exception thrown by the move constructor of value
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[editar] Exemplo

Esta seção está incompleta
Motivo: sem exemplo

[editar] Veja também

 sets the result to specific value
(função pública membro) [edit]
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