for i := 0; i < int(nevents); i++ {
		e := &evts[i]
		if e.typ == eventtypeClock {
			continue
		}

		hangup := e.fdReadwrite.flags&fdReadwriteHangup != 0
		var mode int32
		if e.typ == eventtypeFdRead || e.error != 0 || hangup {
			mode += 'r'
		}
		if e.typ == eventtypeFdWrite || e.error != 0 || hangup {
			mode += 'w'
		}
		if mode != 0 {
			pd := (*pollDesc)(unsafe.Pointer(uintptr(e.userdata)))

}

func (ln *TCPListener) close() error {
	if err := ln.fd.pfd.Close(); err != nil {
		return err
	}
	if _, err := ln.fd.ctl.WriteString("hangup"); err != nil {
		ln.fd.ctl.Close()
		return err
	}
	if err := ln.fd.ctl.Close(); err != nil {
		return err
	}
	return nil
}

func (ln *TCPListener) file() (*os.File, error) {
	f, err := ln.dup()

//go:build !mips && !mipsle && !mips64 && !mips64le && linux

package runtime

var sigtable = [...]sigTabT{
	/* 0 */ {0, "SIGNONE: no trap"},
	/* 1 */ {_SigNotify + _SigKill, "SIGHUP: terminal line hangup"},
	/* 2 */ {_SigNotify + _SigKill, "SIGINT: interrupt"},
	/* 3 */ {_SigNotify + _SigThrow, "SIGQUIT: quit"},
	/* 4 */ {_SigThrow + _SigUnblock, "SIGILL: illegal instruction"},

//go:build (mips || mipsle || mips64 || mips64le) && linux

package runtime

var sigtable = [...]sigTabT{
	/*  0 */ {0, "SIGNONE: no trap"},
	/*  1 */ {_SigNotify + _SigKill, "SIGHUP: terminal line hangup"},
	/*  2 */ {_SigNotify + _SigKill, "SIGINT: interrupt"},
	/*  3 */ {_SigNotify + _SigThrow, "SIGQUIT: quit"},
	/*  4 */ {_SigThrow + _SigUnblock, "SIGILL: illegal instruction"},

	return fd.readLock()
}

// ReadUnlock wraps FD.readUnlock.
func (fd *FD) ReadUnlock() {
	fd.readUnlock()
}

func isHangup(err error) bool {
	return err != nil && stringslite.HasSuffix(err.Error(), "Hangup")
}

func isInterrupted(err error) bool {
	return err != nil && stringslite.HasSuffix(err.Error(), "interrupted")
}

// IsPollDescriptor reports whether fd is the descriptor being used by the poller.

	if proto != "tcp" {
		_, err := ctl.WriteString(msg)
		return err
	}
	written := make(chan struct{})
	errc := make(chan error)
	go func() {
		select {
		case <-ctx.Done():
			ctl.WriteString("hangup")
			errc <- mapErr(ctx.Err())
		case <-written:
			errc <- nil
		}
	}()
	_, err := ctl.WriteString(msg)
	close(written)
	if e := <-errc; err == nil && e != nil { // we hung up
		return e
	}

	SIGWINCH
	SIGPOLL
	SIGPWR
	SIGSYS
)

func (s Signal) Signal() {}

func (s Signal) String() string {
	switch s {
	case SIGNONE:
		return "no signal"
	case SIGHUP:
		return "hangup"
	case SIGINT:
		return "interrupt"
	case SIGQUIT:
		return "quit"
	case SIGILL:
		return "illegal instruction"
	case SIGTRAP:
		return "trace/breakpoint trap"
	case SIGABRT:
		return "abort"

	// If we're being notified, then the signal should not be ignored.
	if Ignored(syscall.SIGHUP) {
		t.Errorf("expected SIGHUP to not be ignored.")
	}

	if want, got := "signal.NotifyContext(context.Background.WithCancel, [hangup])", fmt.Sprint(c); want != got {
		t.Errorf("c.String() = %q, wanted %q", got, want)
	}

	stop()
	<-c.Done()
	if got := c.Err(); got != context.Canceled {

	{1133, "EDQUOT", "disk quota exceeded"},
}

// Signal table
var signalList = [...]struct {
	num  syscall.Signal
	name string
	desc string
}{
	{1, "SIGHUP", "hangup"},
	{2, "SIGINT", "interrupt"},
	{3, "SIGQUIT", "quit"},
	{4, "SIGILL", "illegal instruction"},
	{5, "SIGTRAP", "trace/breakpoint trap"},
	{6, "SIGABRT", "aborted"},
	{7, "SIGEMT", "EMT trap"},

	{133, "EHWPOISON", "memory page has hardware error"},
}

// Signal table
var signalList = [...]struct {
	num  syscall.Signal
	name string
	desc string
}{
	{1, "SIGHUP", "hangup"},
	{2, "SIGINT", "interrupt"},
	{3, "SIGQUIT", "quit"},
	{4, "SIGILL", "illegal instruction"},
	{5, "SIGTRAP", "trace/breakpoint trap"},
	{6, "SIGABRT", "aborted"},
	{7, "SIGBUS", "bus error"},