Instance Methodswift-nio 2.72.0NIOConcurrencyHelpers
exchange(with:)
Atomically exchanges value for the current value of this object.
This declaration is deprecated: please use ManagedAtomic from https://github.com/apple/swift-atomics instead
func exchange(with value: T) -> T Parameters
- value
The new value to set this object to.
Returns
The value previously held by this object.
This implementation uses a relaxed memory ordering. This guarantees nothing more than that this operation is atomic: there is no guarantee that any other event will be ordered before or after this one.
Other members in extension
Type members
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init(value: T) Create an atomic object with
value.
Instance members
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func add(T) -> T Atomically adds
rhsto this object.func compareAndExchange(expected: T, desired: T) -> Bool Atomically compares the value against
expectedand, if they are equal, replaces the value withdesired.func load() -> T Atomically loads and returns the value of this object.
func store(T) Atomically replaces the value of this object with
value.func sub(T) -> T Atomically subtracts
rhsfrom this object.