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std::unique_lock::try_lock_for

Da cppreference.com.
< cpp‎ | thread‎ | unique lock

 
 
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
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(C++11)
(C++11)
lock(C++11)
try_lock(C++11)
defer_lock
try_to_lock
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(C++11)
(C++11)
(C++11)
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Condition variables
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condition_variable(C++11)
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std::unique_lock
Membri funzioni
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Member functions
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unique_lock::unique_lock
unique_lock::~unique_lock
unique_lock::operator=
Bloccaggio
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Locking
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unique_lock::lock
unique_lock::try_lock
unique_lock::try_lock_for
unique_lock::try_lock_until
unique_lock::unlock
Modificatori
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Modifiers
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unique_lock::swap
unique_lock::release
Osservatori
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Observers
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unique_lock::mutex
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std::swap
 
template< class Rep, class Period >
bool try_lock_for( const std::chrono::duration<Rep,Period>& timeout_duration );
(dal C++11)
Tenta di bloccare il mutex associato. Blocchi fino timeout_duration specificato è trascorso o il blocco viene acquisito, quello che viene prima. Il successo di acquisizione blocco true ritorni, altrimenti restituisce false. Può bloccare per più di timeout_duration.
Original:
Tries to lock the associated mutex. Blocks until specified timeout_duration has elapsed or the lock is acquired, whichever comes first. On successful lock acquisition returns true, otherwise returns false. May block for longer than timeout_duration.
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Chiama efficacemente mutex()->try_lock_for(timeout_duration)
Original:
Effectively calls mutex()->try_lock_for(timeout_duration)
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std::system_error viene generata se non c'è mutex associato o se il mutex è già bloccato.
Original:
std::system_error is thrown if there is no associated mutex or if the mutex is already locked.
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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

true se la proprietà del mutex è stato acquisito con successo, altrimenti false.
Original:
true if the ownership of the mutex has been acquired successfully, false otherwise.
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[modifica] Eccezioni

  • Eventuali eccezioni generate dal mutex()->try_lock_for(timeout_duration)
    Original:
    Any exceptions thrown by mutex()->try_lock_for(timeout_duration)
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[modifica] Esempio

[modifica] Vedi anche

locks the associated mutex
(membro pubblico funzione) [edit]
prova a bloccare il mutex associato, restituisce se il mutex non è disponibile
Original:
tries to lock the associated mutex, returns if the mutex is not available
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(membro pubblico funzione) [edit]
cerca di bloccare il mutex associato TimedLockable, restituisce se il mutex è stato disponibile fino al punto di tempo specificato è stato raggiunto
Original:
tries to lock the associated TimedLockable mutex, returns if the mutex has been unavailable until specified time point has been reached
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(membro pubblico funzione) [edit]
sblocca il mutex associato
Original:
unlocks the associated mutex
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(membro pubblico funzione) [edit]