Copyright 2017 The Go Authors. All rights reserved. Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
+build aix darwin dragonfly freebsd linux netbsd openbsd solaris

package unix

import
TimespecToNsec converts a Timespec value into a number of nanoseconds since the Unix epoch.
func ( Timespec) int64 { return int64(.Sec)*1e9 + int64(.Nsec) }
NsecToTimespec takes a number of nanoseconds since the Unix epoch and returns the corresponding Timespec value.
func ( int64) Timespec {
	 :=  / 1e9
	 =  % 1e9
	if  < 0 {
		 += 1e9
		--
	}
	return setTimespec(, )
}
TimeToTimespec converts t into a Timespec. On some 32-bit systems the range of valid Timespec values are smaller than that of time.Time values. So if t is out of the valid range of Timespec, it returns a zero Timespec and ERANGE.
func ( time.Time) (Timespec, error) {
	 := .Unix()
	 := int64(.Nanosecond())
	 := setTimespec(, )
Currently all targets have either int32 or int64 for Timespec.Sec. If there were a new target with floating point type for it, we have to consider the rounding error.
	if int64(.Sec) !=  {
		return Timespec{}, ERANGE
	}
	return , nil
}
TimevalToNsec converts a Timeval value into a number of nanoseconds since the Unix epoch.
func ( Timeval) int64 { return int64(.Sec)*1e9 + int64(.Usec)*1e3 }
NsecToTimeval takes a number of nanoseconds since the Unix epoch and returns the corresponding Timeval value.
func ( int64) Timeval {
	 += 999 // round up to microsecond
	 :=  % 1e9 / 1e3
	 :=  / 1e9
	if  < 0 {
		 += 1e6
		--
	}
	return setTimeval(, )
}
Unix returns ts as the number of seconds and nanoseconds elapsed since the Unix epoch.
func ( *Timespec) () ( int64,  int64) {
	return int64(.Sec), int64(.Nsec)
}
Unix returns tv as the number of seconds and nanoseconds elapsed since the Unix epoch.
func ( *Timeval) () ( int64,  int64) {
	return int64(.Sec), int64(.Usec) * 1000
}
Nano returns ts as the number of nanoseconds elapsed since the Unix epoch.
func ( *Timespec) () int64 {
	return int64(.Sec)*1e9 + int64(.Nsec)
}
Nano returns tv as the number of nanoseconds elapsed since the Unix epoch.
func ( *Timeval) () int64 {
	return int64(.Sec)*1e9 + int64(.Usec)*1000