std::packaged_task::operator()

 

C++

Linguaggio

Concetti

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Stringhe

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Algoritmi

Iteratori

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Localizzazione

Espressioni regolari(C++11)

Operazioni atomicche(C++11)

Multithreading(C++11)

 

Discussione libreria di supporto

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 spazio dei nomi 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)
Mutua esclusione 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)
Blocco di gestione generico Original: Generic lock management The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
lock_guard (C++11) unique_lock (C++11) defer_lock_t try_to_lock_t adopt_lock_t (C++11) (C++11) (C++11)	lock (C++11) try_lock (C++11) defer_lock try_to_lock adopt_lock (C++11) (C++11) (C++11)
Condizioni variabili Original: Condition variables The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
condition_variable (C++11)
condition_variable_any (C++11)
notify_all_at_thread_exit (C++11)
cv_status (C++11)
Futures 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::packaged_task

Membri funzioni 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.

packaged_task::packaged_task

packaged_task::~packaged_task

packaged_task::operator=

packaged_task::valid

packaged_task::swap

Ottenere il risultato 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.

packaged_task::get_future

Esecuzione Original: Execution The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

packaged_task::operator()

packaged_task::make_ready_at_thread_exit

packaged_task::reset

 

void operator()( ArgTypes... args);		(dal C++11)

Calls the stored task with args as the arguments. The return value of the task or any exceptions thrown are stored in the shared state. The shared state is made ready and any threads waiting for this are unblocked.

Parametri

args

-

i parametri da passare al momento dell'invocazione del compito memorizzato Original: the parameters to pass on invocation of the stored task The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valore di ritorno

(Nessuno)

Original:

(none)

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Eccezioni

std::future_error sulle condizioni di errore seguenti:

Original:

std::future_error on the following error conditions:

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• Il compito memorizzato è già stato applicato. La categoria di errore è impostato promise_already_satisfied.

  Original:

  The stored task has already been invoked. The error category is set to promise_already_satisfied.

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• *this non ha stato condiviso. La categoria di errore è impostato no_state.

  Original:

  *this has no shared state. The error category is set to no_state.

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Note

A successful call to opetator() synchronizes with a call to any member function of a std::future or std::shared_future that share their shared state with *this.

Vedi anche

make_ready_at_thread_exit	esegue la funzione di garantire che il risultato è solo una volta pronto il thread corrente Original: executes the function ensuring that the result is ready only once the current thread exits The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)