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std::atomic_signal_fence

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< cpp‎ | atomic

 
 
Atomare Operationen Bibliothek
Types
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Types
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atomic(C++11)
atomic_is_lock_free(C++11)
Funktionen
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Functions
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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)
Atomic Fahnen
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Atomic flags
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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)
Initialisierung
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Initialization
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atomic_init(C++11)
ATOMIC_VAR_INIT(C++11)
ATOMIC_FLAG_INIT(C++11)
Speicher Bestellung
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Memory ordering
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memory_order(C++11)
kill_dependency(C++11)
atomic_thread_fence(C++11)
atomic_signal_fence(C++11)
 
Defined in header <atomic>
extern "C" void atomic_signal_fence( std::memory_order order );
(seit C++11)
Stellt Speicher Synchronisierung Bestellung von nicht-atomare und entspannt atomare Zugriffe, wie order angewiesen, zwischen einem Thread und einem Signal-Handler auf dem gleichen Thread ausgeführt. Dies entspricht std::atomic_thread_fence, außer keine CPU Befehle für Memory Ordnung emittiert. Nur Neuordnung der Instruktionen durch den Compiler unterdrückt wird order anweist. Zum Beispiel schreibt kann nicht über einen Zaun mit Release Semantik verschoben werden und liest nicht vor einem Zaun mit zu erwerben Semantik verschoben werden .
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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Inhaltsverzeichnis

[Bearbeiten] Parameter

order -
der Speicher Bestellung per diesem Zaun ausgeführt
Original:
the memory ordering executed by this fence
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[Bearbeiten] Rückgabewert

(None)
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(none)
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[Bearbeiten] Ausnahmen

noexcept specification:  
noexcept
  (seit C++11)

[Bearbeiten] Siehe auch

definiert Speicher Bestellung Einschränkungen für den angegebenen atomaren Operation
Original:
defines memory ordering constraints for the given atomic operation
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(typedef) [edit]
generische Memory um-abhängige Zaun Synchronisierungsgrundeinheit
Original:
generic memory order-dependent fence synchronization primitive
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(Funktion) [edit]
C documentation for atomic_signal_fence