Ilya Gorbunov
30 lines
1.2 KiB
Kotlin
30 lines
1.2 KiB
Kotlin
/*
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* Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package kotlin.time
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import kotlin.time.TimeSource.Monotonic.ValueTimeMark
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@SinceKotlin("1.3")
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@ExperimentalTime
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internal actual object MonotonicTimeSource : TimeSource.WithComparableMarks {
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private val zero: Long = System.nanoTime()
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private fun read(): Long = System.nanoTime() - zero
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override fun toString(): String = "TimeSource(System.nanoTime())"
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actual override fun markNow(): ValueTimeMark = ValueTimeMark(read())
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actual fun elapsedFrom(timeMark: ValueTimeMark): Duration =
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saturatingDiff(read(), timeMark.reading, DurationUnit.NANOSECONDS)
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actual fun differenceBetween(one: ValueTimeMark, another: ValueTimeMark): Duration =
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saturatingOriginsDiff(one.reading, another.reading, DurationUnit.NANOSECONDS)
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actual fun adjustReading(timeMark: ValueTimeMark, duration: Duration): ValueTimeMark =
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ValueTimeMark(saturatingAdd(timeMark.reading, DurationUnit.NANOSECONDS, duration))
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}
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@Suppress("ACTUAL_WITHOUT_EXPECT") // visibility
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internal actual typealias ValueTimeMarkReading = Long
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