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ATOMIC_VAR_INIT

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C++
 
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)
 
definiert in Header <atomic>
#define ATOMIC_VAR_INIT(value) /* implementation-defined */
Erweitert die einen Ausdruck, der benutzt, um einen std::atomic Objekt, das von value initialisiert werden kann initialisiert werden kann. Wenn die atomare Objekt hat statischen Lagerdauer ist diese Initialisierung konstanten Initialisierung .
Original:
Expands the an expression which can be used to initialize an std::atomic object that can be initialized from value. If the atomic object has static storage duration, this initialization is konstanten Initialisierung.
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[Bearbeiten] Notes

Zugriff auf die Variable während der Initialisierung aus einem anderen Thread, auch durch eine atomare Operation, ist ein Daten-Rennen (es kann passieren, wenn die Adresse sofort zu einem anderen Thread mit einem std::memory_order_relaxed Betrieb übergeben)
Original:
Accessing the variable during initialization from another thread, even through an atomic operation, is a data race (it may happen if the address is immediately passed to another thread with a std::memory_order_relaxed operation)
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Dieses Makro ist in erster Linie für die Kompatibilität mit C vorgesehen, es verhält sich wie der Konstruktor der std::atomic .
Original:
This macro is primarily provided for compatibility with C; it behaves the same as the constructor of std::atomic.
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[Bearbeiten] Beispiel

This section is incomplete
Reason: no example

[Bearbeiten] Siehe auch

(C++11)
 non-atomic initialization of a default-constructed atomic object
(Funktions-Template) [edit]
konstruiert eine atomare Objekt
Original:
constructs an atomic object
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(öffentliche Elementfunktion of std::atomic) [edit]
Von „https://de.cppreference.com/mwiki/index.php?title=cpp/atomic/ATOMIC_VAR_INIT&oldid=26131“