std::promise::set_value

 

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Threads Original: Threads The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
thread (C++11)
this_thread namespace Original: this_thread namespace The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
get_id (C++11) yield (C++11)	sleep_for (C++11) sleep_until (C++11)
Exclusão mútua Original: Mutual exclusion The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
mutex (C++11) timed_mutex (C++11)	recursive_mutex (C++11) recursive_timed_mutex (C++11)
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lock_guard (C++11) unique_lock (C++11) defer_lock_ttry_to_lock_tadopt_lock_t (C++11)(C++11)(C++11)	lock (C++11) try_lock (C++11) defer_locktry_to_lockadopt_lock (C++11)(C++11)(C++11)
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Futuros Original: Futures The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
promise (C++11) future (C++11) shared_future (C++11) packaged_task (C++11) async (C++11)	launch (C++11) future_status (C++11) future_error (C++11) future_category (C++11) future_errc (C++11)

 

std::promise

Funções de membro Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

promise::promise

promise::~promise

promise::operator=

promise::swap

Obtendo o resultado Original: Getting the result The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

promise::get_future

Definir o resultado Original: Setting the result The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

promise::set_value

promise::set_value_at_thread_exit

promise::set_exception

promise::set_exception_at_thread_exit

 

void set_value(const R& value );	(1)	(único membro da modelo promise genérico) (desde C++11)
void set_value( R&& value );	(2)	(único membro da modelo promise genérico) (desde C++11)
void set_value( R& value );	(3)	(único membro da promise<R&> especialização modelo) (desde C++11)
void set_value()	(4)	(único membro da promise<void> especialização modelo) (desde C++11)

Armazena o value no estado compartilhado e torna o estado de pronto.

Original:

Stores the value into the shared state and makes the state ready.

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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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Parâmetros

value

-

valor para armazenar no estado compartilhado Original: value to store in the shared state The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valor de retorno

(Nenhum)

Original:

(none)

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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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Veja também

set_exception	define o resultado para indicar uma excepção Original: sets the result to indicate an exception The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro)