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atomic_fetch_or, atomic_fetch_or_explicit

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< c‎ | atomic

 
 
Atomare Operationen Bibliothek
Types
Original:
Types
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memory_order
atomic_flag
Makros
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Macros
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ATOMIC_***_LOCK_FREE
ATOMIC_FLAG_INIT
ATOMIC_VAR_INIT
kill_dependency
Funktionen
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Functions
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atomic_flag_test_and_set
atomic_flag_clear
atomic_init
atomic_is_lock_free
atomic_store
atomic_load
atomic_exchange
atomic_compare_exchange
atomic_fetch_add
atomic_fetch_sub
atomic_fetch_or
atomic_fetch_xor
atomic_fetch_and
atomic_thread_fence
atomic_signal_fence
 
Defined in header <stdatomic.h>
C atomic_fetch_or( volatile A* obj, M arg );
(1)
C atomic_fetch_or_explicity( volatile A* obj, M arg, memory_order order );
(2)
Atomar ersetzt den Wert wies durch obj mit dem Ergebnis der bitweisen ODER-Verknüpfung zwischen dem alten Wert obj und arg, und gibt den Wert obj statt zuvor. Die Bedienung ist Lese-Modifizier-Schreib-Vorgang. Die erste Version Bestellungen Speicher zugreift nach memory_order_seq_cst, greift die zweite Version Bestellungen Speicher gemäß order .
Original:
Atomically replaces the value pointed by obj with the result of bitwise OR between the old value of obj and arg, and returns the value obj held previously. The operation is read-modify-write operation. The first version orders memory accesses according to memory_order_seq_cst, the second version orders memory accesses according to order.
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Dies ist ein für alle atomaren generische Funktion Objekttypen definiert. A ist der Typ eines atomaren Objekts ist M entweder der nicht-elementaren Typ entsprechend A wenn A ist atomar Integertyp oder ptrdiff_t wenn A ist atomar Zeigertyp .
Original:
This is a generische Funktion defined for all atomic object types. A is the type of an atomic object, M is either the non-atomic type corresponding to A if A is atomic integer type, or ptrdiff_t if A is atomic pointer type.
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[Bearbeiten] Parameter

obj -
Zeiger auf den atomaren Objekts zu ändern
Original:
pointer to the atomic object to modify
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arg -
der Wert auf bitweisen ODER mit dem Wert in der atomaren Objekt gespeichert
Original:
the value to bitwise OR to the value stored in the atomic object
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order -
der Speicher-Synchronisation Bestellung für diesen Vorgang: Alle Werte sind zulässig
Original:
the memory synchronization ordering for this operation: all values are permitted
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[Bearbeiten] Rückgabewert

Der Wert gehalten zuvor die atomare Objekt, auf das obj sein .
Original:
The value held previously be the atomic object pointed to by obj.
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[Bearbeiten] Siehe auch

atomic_fetch_or
atomic_fetch_or_explicit
(C11)
atomaren logischen ODER
Original:
atomic logical OR
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(Funktion) [edit]
atomaren logischen exklusiven ODER
Original:
atomic logical exclusive OR
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(Funktion) [edit]
C++ documentation for atomic_fetch_or, atomic_fetch_or_explicit