std::atomic_signal_fence

 

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Espressioni regolari(C++11)

Operazioni atomicche(C++11)

Multithreading(C++11)

 

Atomic operazioni di biblioteca

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atomic (C++11)

atomic_is_lock_free (C++11)

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atomic_store atomic_store_explicit (C++11) (C++11)

atomic_load atomic_load_explicit (C++11) (C++11)

atomic_exchange atomic_exchange_explicit (C++11) (C++11)

atomic_compare_exchange_weak atomic_compare_exchange_weak_explicit atomic_compare_exchange_strong atomic_compare_exchange_strong_explicit (C++11) (C++11) (C++11) (C++11)

atomic_fetch_add atomic_fetch_add_explicit (C++11) (C++11)

atomic_fetch_sub atomic_fetch_sub_explicit (C++11) (C++11)

atomic_fetch_and atomic_fetch_and_explicit (C++11) (C++11)

atomic_fetch_or atomic_fetch_or_explicit (C++11) (C++11)

atomic_fetch_xor atomic_fetch_xor_explicit (C++11) (C++11)

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atomic_flag (C++11)

atomic_flag_test_and_set atomic_flag_test_and_set_explicit (C++11) (C++11)

atomic_flag_clear atomic_flag_clear_explicit (C++11) (C++11)

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atomic_init (C++11)

ATOMIC_VAR_INIT (C++11)

ATOMIC_FLAG_INIT (C++11)

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memory_order (C++11)

kill_dependency (C++11)

atomic_thread_fence (C++11)

atomic_signal_fence (C++11)

 

Elemento definito nell'header <atomic>
extern"C"void atomic_signal_fence(std::memory_order order );		(dal C++11)

Stabilisce la sincronizzazione memoria ordinamento degli accessi atomici non-atomiche e rilassato, come da istruzioni order, tra un filo e un gestore di segnale eseguito sullo stesso thread. Ciò equivale a std::atomic_thread_fence, tranne senza istruzioni della CPU per ordinare la memoria sono emessi. Solo riordino delle istruzioni da parte del compilatore viene soppressa come order istruisce. Per esempio, scrive non può essere spostato oltre un recinto con la semantica di rilascio e legge non può essere spostato in avanti di una rete fissa con l'acquisizione semantica.

Original:

Establishes memory synchronization ordering of non-atomic and relaxed atomic accesses, as instructed by order, between a thread and a signal handler executed on the same thread. This is equivalent to std::atomic_thread_fence, except no CPU instructions for memory ordering are issued. Only reordering of the instructions by the compiler is suppressed as order instructs. For example, writes cannot be moved past a fence with release semantics and reads cannot be moved ahead of a fence with acquire semantics.

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Parametri

order

-

la memoria ordinamento eseguito da questo recinto Original: the memory ordering executed by this fence The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valore di ritorno

(Nessuno)

Original:

(none)

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Eccezioni

noexcept specification:  

noexcept

  (dal C++11)

Vedi anche

memory_order (C++11)	definisce i limiti di memoria di ordinazione per il data operazione atomica Original: defines memory ordering constraints for the given atomic operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (typedef)
atomic_thread_fence (C++11)	memorie generiche dipendente dall'ordine sincronizzazione recinzione primitiva Original: generic memory order-dependent fence synchronization primitive The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione)
C documentation for atomic_signal_fence