//
//go:linkname errNoSuchInterface

var (
	errInvalidInterface         = errors.New("invalid network interface")
	errInvalidInterfaceIndex    = errors.New("invalid network interface index")
	errInvalidInterfaceName     = errors.New("invalid network interface name")
	errNoSuchInterface          = errors.New("no such network interface")
	errNoSuchMulticastInterface = errors.New("no such multicast network interface")
)

func (c *TCPConn) SetKeepAliveConfig(config KeepAliveConfig) error {
	if !c.ok() {
		return syscall.EINVAL
	}

	if err := setKeepAlive(c.fd, config.Enable); err != nil {
		return &OpError{Op: "set", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
	}
	if err := setKeepAliveIdle(c.fd, config.Idle); err != nil {
		return &OpError{Op: "set", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
	}

			return &OpError{Op: "set", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
		}
		if err := setKeepAliveInterval(c.fd, config.Interval); err != nil {
			return &OpError{Op: "set", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
		}
	} else if err := setKeepAliveIdleAndInterval(c.fd, config.Idle, config.Interval); err != nil {

			pat: timePattern + "\twarn\tHello",
		},

		{
			f:   func() { Error("Hello") },
			pat: timePattern + "\terror\tHello",
		},
		{
			f:   func() { Errorf("Hello") },
			pat: timePattern + "\terror\tHello",
		},
		{
			f:   func() { Errorf("%s", "Hello") },
			pat: timePattern + "\terror\tHello",
		},

		{
			f:        func() { Fatal("Hello") },

func (c *TCPConn) SetKeepAliveConfig(config KeepAliveConfig) error {
	if !c.ok() {
		return syscall.EINVAL
	}

	if err := setKeepAlive(c.fd, config.Enable); err != nil {
		return &OpError{Op: "set", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
	}
	if unix.SupportTCPKeepAliveIdleIntvlCNT() {
		if err := setKeepAliveIdle(c.fd, config.Idle); err != nil {

          "-> tensor<*xf32>\nError code: ERROR_NEEDS_FLEX_OPS",
          ConverterErrorData::ERROR_NEEDS_FLEX_OPS, "tf.StridedSlice",
          mlir::FileLineColLoc::get(input_file_id, 4, 10))),
      1);

  // Check the location information.
  std::vector<std::string> locations;
  for (const auto& error : collected_errors) {
    EXPECT_TRUE(error.has_location());

}

func spuriousENOTAVAIL(err error) bool {
	if op, ok := err.(*OpError); ok {
		err = op.Err
	}
	if sys, ok := err.(*os.SyscallError); ok {
		err = sys.Err
	}
	return err == syscall.EADDRNOTAVAIL
}

func (ln *TCPListener) ok() bool { return ln != nil && ln.fd != nil }

func (ln *TCPListener) accept() (*TCPConn, error) {
	fd, err := ln.fd.accept()
	if err != nil {

}

func (c *conn) writeBuffers(v *Buffers) (int64, error) {
	if !c.ok() {
		return 0, syscall.EINVAL
	}
	n, err := c.fd.writeBuffers(v)
	if err != nil {
		return n, &OpError{Op: "wsasend", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
	}
	return n, nil
}

func (fd *netFD) writeBuffers(buf *Buffers) (int64, error) {
	n, err := fd.pfd.Writev((*[][]byte)(buf))
	runtime.KeepAlive(fd)

	}
	sm.p99Latency = p99Latency

	if me.ErrorOrNil() != nil {
		return sm, fmt.Errorf("error retrieving some metrics: %v", me.Error())
	}

	return sm, nil
}

func getLatency(promAPI promv1.API, workloadName, workloadNamespace string, duration time.Duration, quantile float64) (time.Duration, error) {

func (c *Target) Validate() error {
	return nil
}

// Endpoint returns the backend endpoint
func (c *Target) Endpoint() string {
	return ""
}

func (c *Target) String() string {
	return "console"
}

// Send log message 'e' to console
func (c *Target) Send(e interface{}) error {
	entry, ok := e.(log.Entry)
	if !ok {
		return fmt.Errorf("Uexpected log entry structure %#v", e)
	}