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025905fcdf
Switch the database from LevelDB to SQLite, for greater stability and simpler code. Co-authored-by: Tommy van der Vorst <tommy@pixelspark.nl> Co-authored-by: bt90 <btom1990@googlemail.com>
28 lines
702 B
Go
28 lines
702 B
Go
// Copyright (C) 2025 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package timeutil
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import (
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"sync/atomic"
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"time"
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)
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var prevNanos atomic.Int64
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// StrictlyMonotonicNanos returns the current time in Unix nanoseconds.
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// Guaranteed to strictly increase for each call, regardless of the
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// underlying OS timer resolution or clock jumps.
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func StrictlyMonotonicNanos() int64 {
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for {
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old := prevNanos.Load()
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now := max(time.Now().UnixNano(), old+1)
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if prevNanos.CompareAndSwap(old, now) {
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return now
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}
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}
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}
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