}
	return groups, nil
}

func Getpid() int {
	return jsProcess.Get("pid").Int()
}

func Getppid() int {
	return jsProcess.Get("ppid").Int()
}

func Umask(mask int) (oldmask int) {
	return jsProcess.Call("umask", mask).Int()
}

func Gettimeofday(tv *Timeval) error { return ENOSYS }

func Kill(pid int, signum Signal) error { return ENOSYS }

        if (parameters.size() > 1 && parameters.get(parameters.size() - 2).getKind() == ParameterKindInfo.KOTLIN_DEFAULT_MASK) {
            // push the default mask equal to zero, meaning that no parameters have the default values
            code.add("// The interceptor expects a Kotlin default mask, add a zero argument:\n");
            code.addStatement("$N._ICONST_0()", METHOD_VISITOR_FIELD);
        }

	// Too many bits to fit in this word. Write the current word
	// out and move on to the next word.

	data := h.mask | bits<<h.valid       // mask for this word
	h.mask = bits >> (ptrBits - h.valid) // leftover for next word
	h.valid += valid - ptrBits           // have h.valid+valid bits, writing ptrBits of them

	// Flush mask to the memory bitmap.
	idx := h.offset / (ptrBits * goarch.PtrSize)
	m := uintptr(1)<<h.low - 1

		return fmt.Errorf("expected valid IPv4 loopback address in CIDR %s; found %v", cidr, ipp.Addr())
	}

	ones := ipp.Bits()
	if ones < 8 || ones > 32 {
		return fmt.Errorf("expected CIDR %s to have mask in range [8, 32]; found %v", cidr, ones)
	}
	return nil

//sys	fanotifyMark(fd int, flags uint, mask uint64, dirFd int, pathname *byte) (err error)

func FanotifyMark(fd int, flags uint, mask uint64, dirFd int, pathname string) (err error) {
	if pathname == "" {
		return fanotifyMark(fd, flags, mask, dirFd, nil)
	}
	p, err := BytePtrFromString(pathname)
	if err != nil {
		return err
	}
	return fanotifyMark(fd, flags, mask, dirFd, p)
}

  // perNodeHostBits defines the number of host bits to be configured per node.
  // A subnet mask determines how much of the address is used for network bits
  // and host bits. For example an IPv4 address of 192.168.0.0/24, splits the
  // address into 24 bits for the network portion and 8 bits for the host portion.
  // To allocate 256 IPs, set this field to 8 (a /24 mask for IPv4 or a /120 for IPv6).
  // Minimum value is 4 (16 IPs).
  // This field is immutable.

TEXT ·And64(SB), NOSPLIT, $0-20
	MOVL	ptr+0(FP), BP
	// DI:SI = v
	MOVL	val_lo+4(FP), SI
	MOVL	val_hi+8(FP), DI
	// DX:AX = *addr
	MOVL	0(BP), AX
	MOVL	4(BP), DX
casloop:
	// CX:BX = DX:AX (*addr) & DI:SI (mask)
	MOVL	AX, BX
	MOVL	DX, CX
	ANDL	SI, BX
	ANDL	DI, CX
	LOCK
	CMPXCHG8B	0(BP)
	JNZ casloop
	MOVL	AX, ret_lo+12(FP)
	MOVL	DX, ret_hi+16(FP)
	RET

			expectErrors:         true,
		},
		{
			name:                 "ipv6 cidr too big",
			cidr:                 *getIPnetFromCIDR("3000::/64"),
			maxCIDRBits:          20,
			cidrFlag:             "--service-cluster-ip-range",
			expectedErrorMessage: "specified --service-cluster-ip-range is too large; for 128-bit addresses, the mask must be >= 108",

	m := bucketMask(h.B)
	b := (*bmap)(add(h.buckets, (hash&m)*uintptr(t.BucketSize)))
	if c := h.oldbuckets; c != nil {
		if !h.sameSizeGrow() {
			// There used to be half as many buckets; mask down one more power of two.
			m >>= 1
		}
		oldb := (*bmap)(add(c, (hash&m)*uintptr(t.BucketSize)))
		if !evacuated(oldb) {
			b = oldb
		}
	}
	top := tophash(hash)
	for ; b != nil; b = b.overflow(t) {

		u[i] = ringDecodeAndDecompress10(b)
	}

	b := (*[encodingSize4]byte)(c[encodingSize10*k:])
	v := ringDecodeAndDecompress4(b)

	var mask nttElement // s⊺ ◦ NTT(u)
	for i := range dx.s {
		mask = polyAdd(mask, nttMul(dx.s[i], ntt(u[i])))
	}
	w := polySub(v, inverseNTT(mask))

	return ringCompressAndEncode1(nil, w)
}

// fieldElement is an integer modulo q, an element of ℤ_q. It is always reduced.