if old != nil {
		*old = r
	}
}

func pipe2(flags int32) (r, w int32, errno int32)

//go:noescape
func setitimer(mode int32, new, old *itimerval)

//go:noescape
func sysctl(mib *uint32, miblen uint32, out *byte, size *uintptr, dst *byte, ndst uintptr) int32

// mmap calls the mmap system call. It is implemented in assembly.
// We only pass the lower 32 bits of file offset to the

//go:nosplit
//go:cgo_unsafe_args
func usleep_no_g(usec uint32) {
	asmcgocall_no_g(unsafe.Pointer(abi.FuncPCABI0(usleep_trampoline)), unsafe.Pointer(&usec))
}

//go:nosplit
//go:cgo_unsafe_args
func sysctl(mib *uint32, miblen uint32, out *byte, size *uintptr, dst *byte, ndst uintptr) int32 {
	ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(sysctl_trampoline)), unsafe.Pointer(&mib))
	KeepAlive(mib)
	KeepAlive(out)
	KeepAlive(size)

//go:noescape
func sigaction(sig uint32, new, old *sigactiont)

//go:noescape
func sigaltstack(new, old *stackt)

//go:noescape
func sigprocmask(how int32, new, old *sigset)

//go:noescape
func sysctl(mib *uint32, miblen uint32, out *byte, size *uintptr, dst *byte, ndst uintptr) int32

func lwp_tramp()

func raiseproc(sig uint32)

func lwp_kill(tid int32, sig int)

//go:noescape
func getcontext(ctxt unsafe.Pointer)

	KeepAlive(new)
	KeepAlive(old)
}
func setitimer_trampoline()

//go:nosplit
//go:cgo_unsafe_args
func sysctl(mib *uint32, miblen uint32, oldp *byte, oldlenp *uintptr, newp *byte, newlen uintptr) int32 {
	ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(sysctl_trampoline)), unsafe.Pointer(&mib))
	KeepAlive(mib)
	KeepAlive(oldp)
	KeepAlive(oldlenp)

	for _, t := range benchSizes {
		total := 0
		minLen := 0
		maxLen := 0

		for _, clrLen := range t.data {
			maxLen = max(maxLen, clrLen)
			if clrLen < minLen || minLen == 0 {
				minLen = clrLen
			}
			total += clrLen
		}
		buffer := make([]byte, maxLen)

		text := ""
		if minLen >= (1 << 20) {
			text = fmt.Sprint(minLen>>20, "M ", (maxLen+(1<<20-1))>>20, "M")
		} else if minLen >= (1 << 10) {

	var val, pos int
	var digLen int // number of digits in current octet
	s := in[off:end]
	for i := 0; i < len(s); i++ {
		if s[i] >= '0' && s[i] <= '9' {
			if digLen == 1 && val == 0 {
				return parseAddrError{in: in, msg: "IPv4 field has octet with leading zero"}
			}
			val = val*10 + int(s[i]) - '0'
			digLen++
			if val > 255 {

			}
			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
			}

			}
			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

			}
			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
			}

			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
			}
			postIndex := iNdEx + msglen