// Copyright 2016 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 dragonfly || freebsd || netbsd

package route

func (w *wireFormat) parseInterfaceAnnounceMessage(_ RIBType, b []byte) (Message, error) {
	if len(b) < w.bodyOff {
		return nil, errMessageTooShort
	}
	l := int(nativeEndian.Uint16(b[:2]))
	if len(b) < l {

// Copyright 2012 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 darwin || freebsd || netbsd

package tar

import (
	"syscall"
	"time"
)

func statAtime(st *syscall.Stat_t) time.Time {
	return time.Unix(st.Atimespec.Unix())
}

func statCtime(st *syscall.Stat_t) time.Time {
	return time.Unix(st.Ctimespec.Unix())

// 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 aix || dragonfly || freebsd || linux || netbsd || openbsd

package unix

// ReadDirent reads directory entries from fd and writes them into buf.
func ReadDirent(fd int, buf []byte) (n int, err error) {
	return Getdents(fd, buf)

// 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 && 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 2018 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 aix || dragonfly || freebsd || (js && wasm) || linux || netbsd || openbsd || solaris || wasip1

package poll

import "syscall"

// Fsync wraps syscall.Fsync.
func (fd *FD) Fsync() error {
	if err := fd.incref(); err != nil {
		return err
	}
	defer fd.decref()

// Copyright 2015 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 dragonfly || freebsd || linux || netbsd || openbsd || solaris

package net

import "internal/poll"

func init() {
	extraTestHookInstallers = append(extraTestHookInstallers, installAccept4TestHook)
	extraTestHookUninstallers = append(extraTestHookUninstallers, uninstallAccept4TestHook)

// 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 darwin || dragonfly || freebsd || (js && wasm) || netbsd || openbsd || wasip1

package os

import "syscall"

func hostname() (name string, err error) {
	name, err = syscall.Sysctl("kern.hostname")
	if err != nil {
		return "", NewSyscallError("sysctl kern.hostname", err)
	}

// 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.

//go:build darwin || dragonfly || freebsd || illumos || netbsd || openbsd || solaris

package runtime

// secureMode is only ever mutated in schedinit, so we don't need to worry about
// synchronization primitives.
var secureMode bool

func initSecureMode() {
	secureMode = issetugid() == 1

		exit 1
		;;
	esac
}

assert_is_supported_os() {
	case "${KNAME}" in
	Linux | FreeBSD | OpenBSD | NetBSD | DragonFly | SunOS)
		return
		;;
	Darwin)
		osx_host_version=$(env sw_vers -productVersion)
		if ! check_minimum_version "${OSX_VERSION}" "${osx_host_version}"; then

// Copyright 2018 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 darwin || dragonfly || freebsd || netbsd || openbsd

package syscall

import "unsafe"

// FcntlFlock performs a fcntl syscall for the [F_GETLK], [F_SETLK] or [F_SETLKW] command.
func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {