30 lines
758 B
Go
30 lines
758 B
Go
// Copyright (c) 2022 Tailscale Inc & AUTHORS. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build windows
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package wingoes
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import (
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"errors"
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"time"
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"golang.org/x/sys/windows"
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)
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var (
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// ErrDurationOutOfRange means that a time.Duration is too large to be able
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// to be specified as a valid Win32 timeout value.
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ErrDurationOutOfRange = errors.New("duration is out of timeout range")
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)
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// DurationToTimeoutMilliseconds converts d into a timeout usable by Win32 APIs.
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func DurationToTimeoutMilliseconds(d time.Duration) (uint32, error) {
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millis := d.Milliseconds()
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if millis >= windows.INFINITE {
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return 0, ErrDurationOutOfRange
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}
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return uint32(millis), nil
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}
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