Namespace
Varianti

std::future::wait

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< cpp‎ | thread‎ | future

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C++
 
Discussione libreria di supporto
Threads
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Threads
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thread(C++11)
this_thread spazio dei nomi
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this_thread namespace
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get_id(C++11)
yield(C++11)
sleep_for(C++11)
sleep_until(C++11)
Mutua esclusione
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Mutual exclusion
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mutex(C++11)
timed_mutex(C++11)
Blocco di gestione generico
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Generic lock management
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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
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Condition variables
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condition_variable(C++11)
condition_variable_any(C++11)
notify_all_at_thread_exit(C++11)
cv_status(C++11)
Futures
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Futures
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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::future
future::future
future::~future
future::operator=
future::share
Ottenere il risultato
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Getting the result
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future::get
Stato
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State
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future::valid
future::wait
future::wait_for
future::wait_until
 
template< class Rep, class Period >
std::future_status wait_for( const std::chrono::duration<Rep,Period>& timeout_duration );
Attende che il risultato diventi disponibile. Blocchi fino timeout_duration specificato è trascorso o il risultato sarà disponibile, quello che viene prima. Valore ritorna identifica lo stato del risultato. Può bloccare per più di timeout_duration.
Original:
Waits for the result to become available. Blocks until specified timeout_duration has elapsed or the result becomes available, whichever comes first. Returns value identifies the state of the result. May block for longer than timeout_duration.
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Indice

[modifica] Parametri

timeout_duration -
durata massima di bloccare per
Original:
maximum duration to block for
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[modifica] Valore di ritorno

Constant Explanation
future_status::deferred The function to calculate the result has not been started yet
future_status::ready The result is ready
future_status::timeout The timeout has expired

[modifica] Eccezioni

(Nessuno)
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(none)
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[modifica] Esempio

This section is incomplete
Reason: no example

[modifica] Vedi anche
attende il risultato diventi disponibile
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waits for the result to become available
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(metodo pubblico) [modifica]
aspetta il risultato, restituisce se non è disponibile fino punto di tempo specificato è stato raggiunto
Original:
waits for the result, returns if it is not available until specified time point has been reached
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(metodo pubblico) [modifica]
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/thread/future/wait_for&oldid=26883"