1// Copyright 2016 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5//go:build unix || (js && wasm) || wasip1 6 7package syscall 8 9// TimespecToNsec returns the time stored in ts as nanoseconds. 10func TimespecToNsec(ts Timespec) int64 { return ts.Nano() } 11 12// NsecToTimespec converts a number of nanoseconds into a [Timespec]. 13func NsecToTimespec(nsec int64) Timespec { 14 sec := nsec / 1e9 15 nsec = nsec % 1e9 16 if nsec < 0 { 17 nsec += 1e9 18 sec-- 19 } 20 return setTimespec(sec, nsec) 21} 22 23// TimevalToNsec returns the time stored in tv as nanoseconds. 24func TimevalToNsec(tv Timeval) int64 { return tv.Nano() } 25 26// NsecToTimeval converts a number of nanoseconds into a [Timeval]. 27func NsecToTimeval(nsec int64) Timeval { 28 nsec += 999 // round up to microsecond 29 usec := nsec % 1e9 / 1e3 30 sec := nsec / 1e9 31 if usec < 0 { 32 usec += 1e6 33 sec-- 34 } 35 return setTimeval(sec, usec) 36} 37