kotlin-stdlib/kotlin.concurrent/AtomicLong

AtomicLong

class AtomicLong(var value: Long)(source)

A Long value that is always updated atomically. For additional details about atomicity guarantees for reads and writes see kotlin.concurrent.Volatile.

Since Kotlin

1.9

Constructors

AtomicLong

constructor(value: Long)

Properties

value

@Volatile

var value: Long

Since Kotlin 1.9

Functions

addAndGet

fun addAndGet(delta: Long): Long

Atomically adds the given value to the current value and returns the new value.

Since Kotlin 1.9

compareAndExchange

fun compareAndExchange(expected: Long, newValue: Long): Long

Atomically sets the value to the given new value if the current value equals the expected value and returns the old value in any case.

Since Kotlin 1.9

compareAndSet

fun compareAndSet(expected: Long, newValue: Long): Boolean

Atomically sets the value to the given new value if the current value equals the expected value, returns true if the operation was successful and false only if the current value was not equal to the expected value.

Since Kotlin 1.9

decrementAndGet

fun decrementAndGet(): Long

Atomically decrements the current value by one and returns the new value.

Since Kotlin 1.9

getAndAdd