std::unique_lock::try_lock

 

C++

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Libreria di Utilità

Stringhe

Contenitori

Algoritmi

Iteratori

Libreria matematca

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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)
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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::unique_lock

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.

unique_lock::unique_lock

unique_lock::~unique_lock

unique_lock::operator=

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

unique_lock::lock

unique_lock::try_lock

unique_lock::try_lock_for

unique_lock::try_lock_until

unique_lock::unlock

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

unique_lock::swap

unique_lock::release

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

unique_lock::mutex

unique_lock::owns_lock

unique_lock::operator bool

Non membri funzioni Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

std::swap

 

bool try_lock();		(dal C++11)

Tenta di bloccare il mutex associato senza bloccare. Chiama efficacemente mutex()->try_lock().

Original:

Tries to lock the associated mutex without blocking. Effectively calls mutex()->try_lock().

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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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Parametri

(Nessuno)

Original:

(none)

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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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Eccezioni

• Eventuali eccezioni generate dal mutex()->try_lock()

  Original:

  Any exceptions thrown by mutex()->try_lock()

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• Se non vi è associato mutex, std::system_error con un codice di errore di std::errc::operation_not_permitted

  Original:

  If there is no associated mutex, std::system_error with an error code of std::errc::operation_not_permitted

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• Se il mutex è già bloccato, std::system_error con un codice di errore di std::errc::resource_deadlock_would_occur

  Original:

  If the mutex is already locked, std::system_error with an error code of std::errc::resource_deadlock_would_occur

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Vedi anche

lock	locks the associated mutex (metodo pubblico)
try_lock_for	i tentativi di bloccare il mutex associato TimedLockable, restituisce se il mutex non è stato disponibile per la durata di tempo specificato Original: attempts to lock the associated TimedLockable mutex, returns if the mutex has been unavailable for the specified time duration The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)
try_lock_until	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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)
unlock	sblocca il mutex associato Original: unlocks the associated mutex The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)