// NsecToTimespec converts a number of nanoseconds into a Timespec.
func NsecToTimespec(nsec int64) Timespec {
	sec := nsec / 1e9
	nsec = nsec % 1e9
	if nsec < 0 {
		nsec += 1e9
		sec--
	}
	return setTimespec(sec, nsec)
}

// 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

// Copyright 2009 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.

//go:build amd64 && netbsd

package unix

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: nsec}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: int32(usec)}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {

// Copyright 2013 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.

//go:build arm && netbsd

package unix

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: int32(nsec)}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: int32(usec)}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {

// Copyright 2019 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.

//go:build arm64 && netbsd

package unix

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: nsec}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: int32(usec)}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {

// Copyright 2009 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.

//go:build 386 && openbsd

package unix

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: int32(nsec)}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: int32(usec)}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {

// Copyright 2023 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.

package syscall

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: nsec}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: usec}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {
	k.Ident = uint64(fd)

// Copyright 2023 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.

package syscall

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: nsec}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: usec}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {
	k.Ident = uint64(fd)

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build arm64 && freebsd

package unix

import (
	"syscall"
	"unsafe"
)

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: nsec}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: usec}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {

// Copyright 2009 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.

//go:build amd64 && solaris

package unix

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: nsec}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: usec}
}

func (iov *Iovec) SetLen(length int) {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build riscv64 && freebsd

package unix

import (
	"syscall"
	"unsafe"
)

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: nsec}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: usec}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {