//
// Must be called with a valid P.
func (tl traceLocker) GCSweepDone() {
	pp := tl.mp.p.ptr()
	if !pp.trace.maySweep {
		throw("missing traceGCSweepStart")
	}
	if pp.trace.inSweep {
		tl.eventWriter(traceGoRunning, traceProcRunning).commit(traceEvGCSweepEnd, traceArg(pp.trace.swept), traceArg(pp.trace.reclaimed))
		pp.trace.inSweep = false
	}
	pp.trace.maySweep = false
}

	// repeated ValueType sample_type = 1
	func(b *buffer, m message) error {
		x := new(ValueType)
		pp := m.(*Profile)
		pp.SampleType = append(pp.SampleType, x)
		return decodeMessage(b, x)
	},
	// repeated Sample sample = 2
	func(b *buffer, m message) error {
		x := new(Sample)
		pp := m.(*Profile)
		pp.Sample = append(pp.Sample, x)
		return decodeMessage(b, x)
	},
	// repeated Mapping mapping = 3

var ppFree = sync.Pool{
	New: func() any { return new(pp) },
}

// newPrinter allocates a new pp struct or grabs a cached one.
func newPrinter() *pp {
	p := ppFree.Get().(*pp)
	p.panicking = false
	p.erroring = false
	p.wrapErrs = false
	p.fmt.init(&p.buf)
	return p
}

// free saves used pp structs in ppFree; avoids an allocation per invocation.
func (p *pp) free() {

	if n, err = recvfrom(fd, p, flags, &rsa, &socklen); err != nil {
		return
	}
	pp := (*RawSockaddrInet6)(unsafe.Pointer(&rsa))
	port := (*[2]byte)(unsafe.Pointer(&pp.Port))
	from.Port = int(port[0])<<8 + int(port[1])
	from.ZoneId = pp.Scope_id
	from.Addr = pp.Addr
	return
}

func recvmsgInet4(fd int, p, oob []byte, flags int, from *SockaddrInet4) (n, oobn int, recvflags int, err error) {

func (p *Pinner) Pin(pointer any) {
	if p.pinner == nil {
		// Check the pinner cache first.
		mp := acquirem()
		if pp := mp.p.ptr(); pp != nil {
			p.pinner = pp.pinnerCache
			pp.pinnerCache = nil
		}
		releasem(mp)

		if p.pinner == nil {
			// Didn't get anything from the pinner cache.
			p.pinner = new(pinner)
			p.refs = p.refStore[:0]

		return sa, nil

	case AF_INET:
		pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
		sa := new(SockaddrInet4)
		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
		sa.Port = int(p[0])<<8 + int(p[1])
		sa.Addr = pp.Addr
		return sa, nil

	case AF_INET6:
		pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
		sa := new(SockaddrInet6)
		p := (*[2]byte)(unsafe.Pointer(&pp.Port))

	case AF_NETLINK:
		pp := (*RawSockaddrNetlink)(unsafe.Pointer(rsa))
		sa := new(SockaddrNetlink)
		sa.Family = pp.Family
		sa.Pad = pp.Pad
		sa.Pid = pp.Pid
		sa.Groups = pp.Groups
		return sa, nil

	case AF_PACKET:
		pp := (*RawSockaddrLinklayer)(unsafe.Pointer(rsa))
		sa := new(SockaddrLinklayer)
		sa.Protocol = pp.Protocol
		sa.Ifindex = int(pp.Ifindex)
		sa.Hatype = pp.Hatype

		sa.Port = int(p[0])<<8 + int(p[1])
		sa.Addr = pp.Addr
		return sa, nil

	case AF_INET6:
		pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
		sa := new(SockaddrInet6)
		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
		sa.Port = int(p[0])<<8 + int(p[1])
		sa.Addr = pp.Addr
		return sa, nil
	}
	return nil, EAFNOSUPPORT
}

type SockaddrDatalink struct {
	Len    uint8
	Family uint8

		largeStackFramesMu.Unlock()
		return
	}
	pp := objw.NewProgs(fn, worker)
	defer pp.Free()
	genssa(f, pp)
	// Check frame size again.
	// The check above included only the space needed for local variables.
	// After genssa, the space needed includes local variables and the callee arg region.
	// We must do this check prior to calling pp.Flush.
	// If there are any oversized stack frames,

	if !d.heap {
		return
	}

	mp := acquirem()
	pp := mp.p.ptr()
	if len(pp.deferpool) == cap(pp.deferpool) {
		// Transfer half of local cache to the central cache.
		var first, last *_defer
		for len(pp.deferpool) > cap(pp.deferpool)/2 {
			n := len(pp.deferpool)
			d := pp.deferpool[n-1]
			pp.deferpool[n-1] = nil
			pp.deferpool = pp.deferpool[:n-1]
			if first == nil {
				first = d
			} else {