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Ada Programming/Libraries/System.Atomic Operations.Exchange
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
This language feature has been introduced in Ada 2022.
System.Atomic Operations.Exchange is a unit of the Predefined Language Environment since Ada 2022.generic
type Atomic_Type is private with Atomic;
package System.Atomic_Operations.Exchange
with Pure, Nonblocking is
function Atomic_Exchange (Item : aliased in out Atomic_Type;
Value : Atomic_Type) return Atomic_Type
with Convention => Intrinsic;
function Atomic_Compare_And_Exchange
(Item : aliased in out Atomic_Type;
Prior : aliased in out Atomic_Type;
Desired : Atomic_Type) return Boolean
with Convention => Intrinsic;
function Is_Lock_Free (Item : aliased Atomic_Type) return Boolean
with Convention => Intrinsic;
end System.Atomic_Operations.Exchange;