Namespace
Varianti

std::future::valid

Da cppreference.com.
< 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
 
bool valid() const;
 (dal C++11)
Controlla se il futuro si riferisce ad uno stato condiviso con una promessa. Questo è l'unico caso di futures restituiti da std::promise::get_future(), std::packaged_task::get_future() std::async() o fino a quando la prima volta get()or share() si chiama.
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Checks if the future refers to a state shared with a promise. This is the case only for futures returned by std::promise::get_future(), std::packaged_task::get_future() or