func Or8(ptr *uint8, val uint8)

// NOTE: Do not add atomicxor8 (XOR is not idempotent).

//go:noescape
func And(ptr *uint32, val uint32)

//go:noescape
func Or(ptr *uint32, val uint32)

//go:noescape
func And32(ptr *uint32, val uint32) uint32

//go:noescape
func Or32(ptr *uint32, val uint32) uint32

//go:noescape
func And64(ptr *uint64, val uint64) uint64

//go:noescape
func Or64(ptr *uint64, val uint64) uint64

//go:noescape
func Or8(ptr *uint8, val uint8)

//go:noescape
func And8(ptr *uint8, val uint8)

//go:noescape
func And(ptr *uint32, val uint32)

//go:noescape
func Or(ptr *uint32, val uint32)

//go:noescape
func And32(ptr *uint32, val uint32) uint32

//go:noescape
func Or32(ptr *uint32, val uint32) uint32

//go:noescape
func And64(ptr *uint64, val uint64) uint64

//go:noescape
func Or64(ptr *uint64, val uint64) uint64

func pipe2(flags int32) (r, w int32, errno int32)
func fcntl(fd, cmd, arg int32) (ret int32, errno int32)

func issetugid() int32

// From DragonFly's <sys/sysctl.h>
const (
	_CTL_HW      = 6
	_HW_NCPU     = 3
	_HW_PAGESIZE = 7
)

var sigset_all = sigset{[4]uint32{^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)}}

func getncpu() int32 {
	mib := [2]uint32{_CTL_HW, _HW_NCPU}
	out := uint32(0)

	AuthFlags       uint32
	FullName        *uint16
	UsrComment      *uint16
	Parms           *uint16
	Workstations    *uint16
	LastLogon       uint32
	LastLogoff      uint32
	AcctExpires     uint32
	MaxStorage      uint32
	UnitsPerWeek    uint32
	LogonHours      *byte
	BadPwCount      uint32
	NumLogons       uint32
	LogonServer     *uint16
	CountryCode     uint32
	CodePage        uint32

	// thread quiece mode
	QUIESCE_TERM       int32 = 1
	QUIESCE_FORCE      int32 = 2
	QUIESCE_QUERY      int32 = 3
	QUIESCE_FREEZE     int32 = 4
	QUIESCE_UNFREEZE   int32 = 5
	FREEZE_THIS_THREAD int32 = 6
	FREEZE_EXIT        int32 = 8
	QUIESCE_SRB        int32 = 9
)

type Pgtha struct {
	Pid        uint32 // 0
	Tid0       uint32 // 4
	Tid1       uint32
	Accesspid  byte    // C
	Accesstid  byte    // D

	X__sig    int64
	X__opaque [8]int8
}

type machTimebaseInfo struct {
	numer uint32
	denom uint32
}

type pthreadkey uint64

type machPort uint32
type machVMMapRead uint32
type machVMAddress uint64
type machVMSize uint64
type machVMRegionFlavour int32
type machVMRegionInfo *int32

	r0, _, _ := Syscall12(procRegQueryInfoKeyW.Addr(), 12, uintptr(key), uintptr(unsafe.Pointer(class)), uintptr(unsafe.Pointer(classLen)), uintptr(unsafe.Pointer(reserved)), uintptr(unsafe.Pointer(subkeysLen)), uintptr(unsafe.Pointer(maxSubkeyLen)), uintptr(unsafe.Pointer(maxClassLen)), uintptr(unsafe.Pointer(valuesLen)), uintptr(unsafe.Poi...

	Namelen    uint32
	Pad_cgo_0  [4]byte
	Iov        *Iovec
	Iovlen     int32
	Pad_cgo_1  [4]byte
	Control    *byte
	Controllen uint32
	Flags      int32
}

type Cmsghdr struct {
	Len   uint32
	Level int32
	Type  int32
}

type Inet6Pktinfo struct {
	Addr    [16]byte /* in6_addr */
	Ifindex uint32
}

type IPv6MTUInfo struct {
	Addr RawSockaddrInet6
	Mtu  uint32
}

	Namelen    uint32
	Pad_cgo_0  [4]byte
	Iov        *Iovec
	Iovlen     int32
	Pad_cgo_1  [4]byte
	Control    *byte
	Controllen uint32
	Flags      int32
}

type Cmsghdr struct {
	Len   uint32
	Level int32
	Type  int32
}

type Inet6Pktinfo struct {
	Addr    [16]byte /* in6_addr */
	Ifindex uint32
}

type IPv6MTUInfo struct {
	Addr RawSockaddrInet6
	Mtu  uint32
}

}

type vdsoTimehands struct {
	algo         uint32
	gen          uint32
	scale        uint64
	offset_count uint32
	counter_mask uint32
	offset       bintime
	boottime     bintime
	x86_shift    uint32
	x86_hpet_idx uint32
	res          [6]uint32
}

type vdsoTimekeep struct {
	ver       uint32
	enabled   uint32
	current   uint32
	pad_cgo_0 [4]byte
}

const (