Omcasts    uint32
	Iqdrops    uint32
	Noproto    uint32
	Lastchange Timeval32
}

type IfaMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Addrs   int32
	Flags   int32
	Index   uint16
	Metric  int32
}

type RtMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Index   uint16
	Flags   int32
	Addrs   int32
	Pid     int32
	Seq     int32

pkg syscall (netbsd-arm64-cgo), func Chroot(string) error
pkg syscall (netbsd-arm64-cgo), func Close(int) error
pkg syscall (netbsd-arm64-cgo), func CloseOnExec(int)
pkg syscall (netbsd-arm64-cgo), func CmsgLen(int) int
pkg syscall (netbsd-arm64-cgo), func CmsgSpace(int) int
pkg syscall (netbsd-arm64-cgo), func Connect(int, Sockaddr) error
pkg syscall (netbsd-arm64-cgo), func Dup2(int, int) error

		b.Skip("ipv6 is not supported")
	}
	benchmarkTCP(b, true, true, "[::1]:0")
}

func benchmarkTCP(b *testing.B, persistent, timeout bool, laddr string) {
	testHookUninstaller.Do(uninstallTestHooks)

	const msgLen = 512
	conns := b.N
	numConcurrent := runtime.GOMAXPROCS(-1) * 2
	msgs := 1
	if persistent {
		conns = numConcurrent
		msgs = b.N / conns
		if msgs == 0 {
			msgs = 1
		}
		if conns > b.N {

// Netlink sockets and messages

package syscall

import (
	"sync"
	"unsafe"
)

// Round the length of a netlink message up to align it properly.
func nlmAlignOf(msglen int) int {
	return (msglen + NLMSG_ALIGNTO - 1) & ^(NLMSG_ALIGNTO - 1)
}

// Round the length of a netlink route attribute up to align it
// properly.
func rtaAlignOf(attrlen int) int {

pkg syscall (freebsd-arm64), func Chroot(string) error
pkg syscall (freebsd-arm64), func Close(int) error
pkg syscall (freebsd-arm64), func CloseOnExec(int)
pkg syscall (freebsd-arm64), func CmsgLen(int) int
pkg syscall (freebsd-arm64), func CmsgSpace(int) int
pkg syscall (freebsd-arm64), func Connect(int, Sockaddr) error
pkg syscall (freebsd-arm64), func Dup(int) (int, error)

pkg syscall (darwin-arm64), func Chroot(string) error
pkg syscall (darwin-arm64), func Close(int) error
pkg syscall (darwin-arm64), func CloseOnExec(int)
pkg syscall (darwin-arm64), func CmsgLen(int) int
pkg syscall (darwin-arm64), func CmsgSpace(int) int
pkg syscall (darwin-arm64), func Connect(int, Sockaddr) error
pkg syscall (darwin-arm64), func Dup(int) (int, error)

	for len(b) >= anyMessageLen {
		nmsgs++
		any := (*anyMessage)(unsafe.Pointer(&b[0]))
		if any.Version != RTM_VERSION {
			b = b[any.Msglen:]
			continue
		}
		if m := any.toRoutingMessage(b); m == nil {
			nskips++
		} else {
			msgs = append(msgs, m)
		}
		b = b[any.Msglen:]
	}
	// We failed to parse any of the messages - version mismatch?
	if nmsgs != len(msgs)+nskips {
		return nil, EINVAL
	}

pkg syscall (freebsd-riscv64), func Chroot(string) error #53466
pkg syscall (freebsd-riscv64), func Close(int) error #53466
pkg syscall (freebsd-riscv64), func CloseOnExec(int) #53466
pkg syscall (freebsd-riscv64), func CmsgLen(int) int #53466
pkg syscall (freebsd-riscv64), func CmsgSpace(int) int #53466
pkg syscall (freebsd-riscv64), func Connect(int, Sockaddr) error #53466
pkg syscall (freebsd-riscv64), func Dup(int) (int, error) #53466

			}
			var msglen int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return ErrIntOverflowGenerated
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				msglen |= int(b&0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			if msglen < 0 {
				return ErrInvalidLengthGenerated
			}

	SizeofICMPv6Filter     = 0x20
)

const (
	PTRACE_TRACEME = 0x0
	PTRACE_CONT    = 0x7
	PTRACE_KILL    = 0x8
)

const (
	SizeofIfMsghdr = 0x10
)

type IfMsgHdr struct {
	Msglen    uint16
	Version   uint8
	Type      uint8
	Addrs     int32
	Flags     int32
	Index     uint16
	Addrlen   uint8
	Pad_cgo_0 [1]byte
}

type Utsname struct {
	Sysname  [32]uint8