def daemon = daemons.daemon
        daemon.assertIdle()

        when:
        def socket = new Socket(new InetAddressFactory().localBindingAddress, daemon.port)
        socket.outputStream.write("GET / HTTP/1.0\n\n".getBytes())
        socket.outputStream.flush()

        then:
        // Nothing sent back
        socket.inputStream.read() == -1

        // Daemon is still running
        daemon.becomesIdle()

/**
 * What should be done with the incoming socket.
 *
 * Be careful when using values like [DisconnectAtEnd], [ShutdownInputAtEnd]
 * and [ShutdownOutputAtEnd] that close a socket after a response, and where there are
 * follow-up requests. The client is unblocked and free to continue as soon as it has received the
 * entire response body. If and when the client makes a subsequent request using a pooled socket the

// Note that due to the retry logic inside, it could take up to 4 seconds
// to determine whether or not the file path supplied is a Unix domain socket
func IsUnixDomainSocket(filePath string) (bool, error) {
	// Due to the absence of golang support for os.ModeSocket in Windows (https://github.com/golang/go/issues/33357)
	// we need to dial the file and check if we receive an error to determine if a file is Unix Domain Socket file.

// for communication with the NFAcct subsystem.
type netlinkHandler struct {
	socket *nl.NetlinkSocket
}

// newNetlinkHandler initializes a netlink socket in the current network namespace and returns
// an instance of netlinkHandler with the initialized socket.
func newNetlinkHandler() (handler, error) {

// Copyright 2024 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Socket control messages

package unix

import "unsafe"

// UnixCredentials encodes credentials into a socket control message
// for sending to another process. This can be used for
// authentication.
func UnixCredentials(ucred *Ucred) []byte {

  private fun readAndWriteFrames() {
    check(socket == null)
    val socket = serverSocket!!.accept()!!
    this.socket = socket

    // Bail out now if this instance was closed while waiting for the socket to accept.
    synchronized(this) {
      if (executor.isShutdown) {
        socket.close()
        return
      }
    }
    val outputStream = socket.getOutputStream()

    private final DatagramSocket socket;
    private final InetAddressProvider inetAddressProvider;
    private volatile boolean stopped;

    public FileLockCommunicator(InetAddressProvider inetAddressProvider) {
        this.inetAddressProvider = inetAddressProvider;
        try {
            socket = new DatagramSocket(0, inetAddressProvider.getWildcardBindingAddress());

		return nil, nil, fmt.Errorf("error dialing socket %s: %v", socket, err)
	}
	return v1alpha1.NewPodResourcesListerClient(conn), conn, nil
}

// GetV1Client returns a client for the PodResourcesLister grpc service
func GetV1Client(socket string, connectionTimeout time.Duration, maxMsgSize int) (v1.PodResourcesListerClient, *grpc.ClientConn, error) {
	addr, dialer, err := util.GetAddressAndDialer(socket)
	if err != nil {
		return nil, nil, err

// Solaris in the 11.4 release. Thus, on releases prior to 11.4, we fall back
// to the combination of socket(3c) and fcntl(2).

package net

import (
	"internal/poll"
	"internal/syscall/unix"
	"os"
	"syscall"
)

// Wrapper around the socket system call that marks the returned file
// descriptor as nonblocking and close-on-exec.
func sysSocket(family, sotype, proto int) (int, error) {

			// with dead end because tcp-keepalive is not fired when there is data in the socket buffer.
			//    https://blog.cloudflare.com/when-tcp-sockets-refuse-to-die/
			// This is a sensitive configuration, it is better to set it to high values, > 60 secs since it can
			// affect clients reading data with a very slow pace  (disappropriate with socket buffer sizes)
			if opts.UserTimeout > 0 {