Namespace
Varianti

Thread support library

Da cppreference.com.
< cpp


 
 
Discussione libreria di supporto
Threads
Original:
Threads
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thread(C++11)
this_thread spazio dei nomi
Original:
this_thread namespace
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get_id(C++11)
yield(C++11)
sleep_for(C++11)
sleep_until(C++11)
Mutua esclusione
Original:
Mutual exclusion
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mutex(C++11)
timed_mutex(C++11)
Blocco di gestione generico
Original:
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
Original:
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
Original:
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)
 

C++ includes built-in support for threads, mutual exclusion, condition variables, and futures.

Indice

[modifica] Threads

Threads enable programs to execute across several processor cores.

Defined in header <thread>
(C++11)
gestisce un thread separato
Original:
manages a separate thread
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(classe) [edit]
Functions managing the current thread
Defined in namespace this_thread
(C++11)
suggests that the implementation reschedule execution of threads
(funzione) [edit]
(C++11)
restituisce l'id del thread corrente
Original:
returns the thread id of the current thread
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(funzione) [edit]
(C++11)
blocca l'esecuzione del thread corrente per un periodo di tempo specificato
Original:
stops the execution of the current thread for a specified time duration
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(funzione) [edit]
stops the execution of the current thread until a specified time point
(funzione) [edit]

[modifica] Mutua esclusione

Mutual exclusion algorithms prevent multiple threads from simultaneously accessing shared resources. This prevents data races and provides support for synchronization between threads.

Defined in header <mutex>
(C++11)
fornisce di base impianto di mutua esclusione
Original:
provides basic mutual exclusion facility
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(classe) [edit]
fornisce la funzione di mutua esclusione che implementa di bloccaggio con un timeout
Original:
provides mutual exclusion facility which implements locking with a timeout
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(classe) [edit]
fornisce la funzione mutua esclusione, che può essere bloccato in modo ricorsivo dal filo stesso
Original:
provides mutual exclusion facility which can be locked recursively by the same thread
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(classe) [edit]
fornisce la funzione di mutua esclusione che possono essere bloccati recursively
dallo stesso thread e attrezzi di bloccaggio con un timeout
Original:
provides mutual exclusion facility which can be locked recursively
by the same thread and implements locking with a timeout
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(classe) [edit]
Generic mutex management
implementa un ambito rigorosamente a base di wrapper di proprietà mutex
Original:
implements a strictly scope-based mutex ownership wrapper
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(classe template) [edit]
implementa mobile involucro proprietà mutex
Original:
implements movable mutex ownership wrapper
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(classe template) [edit]
tipo di tag utilizzato per specificare strategia di blocco
Original:
tag type used to specify locking strategy
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(classe) [edit]
costanti tag utilizzato per specificare strategia di blocco
Original:
tag constants used to specify locking strategy
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(costante) [edit]
Generic locking algorithms
(C++11)
tentativi di ottenere la proprietà del mutex con ripetute chiamate a try_lock
Original:
attempts to obtain ownership of mutexes via repeated calls to try_lock
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(funzione di modello) [edit]
(C++11)
blocca specificati mutex, blocchi se non sono disponibili
Original:
locks specified mutexes, blocks if any are unavailable
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(funzione di modello) [edit]
Chiama una volta
Original:
Call once
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(C++11)
oggetto di supporto per garantire che call_once richiama la funzione una sola volta
Original:
helper object to ensure that call_once invokes the function only once
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(classe) [edit]
(C++11)
richiama una funzione solo una volta, anche se chiamato da più thread
Original:
invokes a function only once even if called from multiple threads
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(funzione di modello) [edit]

[modifica] Condizioni variabili

A condition variable is a synchronization primitive that allows multiple threads to communicate with eachother. It allows some number of threads to wait (possibly with a timeout) for notification from another thread that they may proceed. A condition variable is always associated with a mutex.

Defined in header <condition_variable>
provides a condition variable associated with a std::unique_lock
(classe)
provides a condition variable associated with any lock type
(classe)
schedules a call to notify_all to be invoked when this thread is completely finished
(funzione)
(C++11)
lists the possible results of timed waits on condition variables
(enum)

[modifica] Futures

The standard library provides facilities to obtain values that are returned and to catch exceptions that are thrown by asynchronous tasks (i.e. functions launched in separate threads). These values are communicated in a shared state, in which the asynchronous task may write its return value or store an exception, and which may be examined, waited for, and otherwise manipulated by other threads that hold instances of std::future or std::shared_future that reference that shared state.

Defined in header <future>
(C++11)
memorizza un valore per il recupero asincrono
Original:
stores a value for asynchronous retrieval
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(classe template) [edit]
pacchetti di una funzione per memorizzare il suo valore di ritorno per il recupero asincrono
Original:
packages a function to store its return value for asynchronous retrieval
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(classe template) [edit]
(C++11)
attende per un valore che è impostato in modo asincrono
Original:
waits for a value that is set asynchronously
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(classe template) [edit]
attende un valore (eventualmente riferimento altri futuri) che è impostato in modo asincrono
Original:
waits for a value (possibly referenced by other futures) that is set asynchronously
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(classe template) [edit]
(C++11)
esegue una funzione in modo asincrono (potenzialmente in un nuovo thread) e restituisce un std::future che conterrà il risultato
Original:
runs a function asynchronously (potentially in a new thread) and returns a std::future that will hold the result
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(funzione di modello) [edit]
(C++11)
specifica la politica di lancio per std::async
Original:
specifies the launch policy for std::async
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(enum) [edit]
specifica i risultati temporizzato attese eseguiti su std::future e std::shared_future
Original:
specifies the results of timed waits performed on std::future and std::shared_future
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(enum) [edit]
Future errors
segnala un errore relativo ai futures o promesse
Original:
reports an error related to futures or promises
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(classe) [edit]
identifica la futura categoria di errore
Original:
identifies the future error category
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(funzione) [edit]
individua i codici di errore in futuro
Original:
identifies the future error codes
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(enum) [edit]