// After this is called the thread can receive signals.
func minitSignalMask() {
	nmask := getg().m.sigmask
	for i := range sigtable {
		if !blockableSig(uint32(i)) {
			sigdelset(&nmask, i)
		}
	}
	sigprocmask(_SIG_SETMASK, &nmask, nil)
}

// unminitSignals is called from dropm, via unminit, to undo the
// effect of calling minit on a non-Go thread.
//
//go:nosplit
func unminitSignals() {

	} else if nbits == 32 {
		mb = bits.LeadingZeros32(uint32(mask))
		me = 32 - bits.TrailingZeros32(uint32(mask))
		mbn = bits.LeadingZeros32(^uint32(mask))
		men = 32 - bits.TrailingZeros32(^uint32(mask))
	} else {
		mb = bits.LeadingZeros64(uint64(mask))
		me = 64 - bits.TrailingZeros64(uint64(mask))
		mbn = bits.LeadingZeros64(^uint64(mask))
		men = 64 - bits.TrailingZeros64(^uint64(mask))
	}

	ACPOPW & obj.AMask: rIIEncoding,
	ACTZ & obj.AMask:   rIIEncoding,
	ACTZW & obj.AMask:  rIIEncoding,
	AMAX & obj.AMask:   rIIIEncoding,
	AMAXU & obj.AMask:  rIIIEncoding,
	AMIN & obj.AMask:   rIIIEncoding,
	AMINU & obj.AMask:  rIIIEncoding,
	AORN & obj.AMask:   rIIIEncoding,
	ASEXTB & obj.AMask: rIIEncoding,
	ASEXTH & obj.AMask: rIIEncoding,
	AXNOR & obj.AMask:  rIIIEncoding,

// And atomically performs a bitwise AND operation on x using the bitmask
// provided as mask and returns the old value.
func (x *Int32) And(mask int32) (old int32) { return AndInt32(&x.v, mask) }

// Or atomically performs a bitwise OR operation on x using the bitmask
// provided as mask and returns the old value.
func (x *Int32) Or(mask int32) (old int32) { return OrInt32(&x.v, mask) }

// An Int64 is an atomic int64. The zero value is zero.

		}
	}
	return true
}

// Mask returns the result of masking the IP address ip with mask.
func (ip IP) Mask(mask IPMask) IP {
	if len(mask) == IPv6len && len(ip) == IPv4len && allFF(mask[:12]) {
		mask = mask[12:]
	}
	if len(mask) == IPv4len && len(ip) == IPv6len && bytealg.Equal(ip[:12], v4InV6Prefix) {
		ip = ip[12:]
	}
	n := len(ip)
	if n != len(mask) {
		return nil
	}
	out := make(IP, n)

		i      int32
		after  int32
	}
	x.before = magic32
	x.after = magic32
	x.i = -1
	j := x.i
	for mask := int32(1); mask != 0; mask <<= 1 {
		old := x.i
		k := AndInt32(&x.i, ^mask)
		j &= ^mask
		if x.i != j || k != old {
			t.Fatalf("mask=%d i=%d j=%d k=%d old=%d", mask, x.i, j, k, old)
		}
	}
	if x.before != magic32 || x.after != magic32 {

    int hash = smearedHash(object);
    int mask = hashTableMask();
    int tableIndex = hash & mask;
    int next = CompactHashing.tableGet(requireTable(), tableIndex);
    if (next == UNSET) { // uninitialized bucket
      if (newSize > mask) {
        // Resize and add new entry
        mask = resizeTable(mask, CompactHashing.newCapacity(mask), hash, newEntryIndex);
      } else {

	}{
		// dual-stack:
		{"dual IPv4 only, but mask too small. Default node-mask", "10.0.0.16/29", nil, false},
		{"dual IPv4 only, but mask too small. Configured node-mask", "10.0.0.16/24", []kubeadmapi.Arg{{Name: "node-cidr-mask-size-ipv4", Value: "23"}}, false},
		{"dual IPv6 only, but mask too small. Default node-mask", "2001:db8::1/112", nil, false},

func AndUint32(addr *uint32, mask uint32) (old uint32)

// AndInt64 atomically performs a bitwise AND operation on *addr using the bitmask provided as mask
// and returns the old value.
// Consider using the more ergonomic and less error-prone [Int64.And] instead.
func AndInt64(addr *int64, mask int64) (old int64)

// AndUint64 atomically performs a bitwise AND operation on *addr using the bitmask provided as mask
// and returns the old.

	if pjc == 0 {
		return c
	}

	var toPad int32
	fj, fjSize := fusedJump(p)
	mask := int32(pjc - 1)
	if fj {
		if (c&mask)+int32(fjSize) >= int32(pjc) {
			toPad = int32(pjc) - (c & mask)
		}
	} else if isJump(p) {
		if (c&mask)+int32(p.Isize) >= int32(pjc) {
			toPad = int32(pjc) - (c & mask)
		}
	}
	if toPad <= 0 {
		return c
	}

	return noppad(ctxt, s, c, toPad)