//
//go:linkname netpollWaiters runtime.netpollWaiters
var netpollWaiters atomic.Uint32

func init() {
	register("NetpollWaiters", NetpollWaiters)
}

func NetpollWaiters() {
	listener, err := net.Listen("tcp", "127.0.0.1:0")
	if err != nil {
		log.Fatal(err)
	}

	var wg sync.WaitGroup
	wg.Add(1)
	go func() {
		defer wg.Done()
		conn, err := listener.Accept()
		if err != nil {
			log.Fatal(err)
		}

limitations under the License.
*/

// The external controller manager is responsible for running controller loops that
// are cloud provider dependent. It uses the API to listen to new events on resources.

package main

// NOTE: Importing all in-tree cloud-providers is not required when
// implementing an out-of-tree cloud-provider. Leaving this empty file
// here as a reference.

	Closed    uint64 // number of sockets closed

	OpenFailed    uint64 // number of sockets open failed
	ConnectFailed uint64 // number of sockets connect failed
	ListenFailed  uint64 // number of sockets listen failed
	AcceptFailed  uint64 // number of sockets accept failed
	CloseFailed   uint64 // number of sockets close failed
}

func (st Stat) String() string {

/**
 * Manages listeners of build operations.
 *
 * There is one global listener for the life of the build runtime.
 * Listeners must be sure to remove themselves if they want to only listen for a single build.
 *
 * Listeners are notified in registration order.
 * Started and progress notifications are emitted in registration order,
 * while finished notifications are emitted in reverse registration order.
 *

	ghc.RegisterHealthServer(server.GRPCServer, server)
	return server, server.start(port)
}

func (s *CAServer) start(port int) error {
	listener, err := net.Listen("tcp", fmt.Sprintf("127.0.0.1:%d", port))
	if err != nil {
		caServerLog.Errorf("cannot listen on port %d (error: %v)", port, err)
		return err
	}

	// If passed in port is 0, get the actual chosen port.
	port = listener.Addr().(*net.TCPAddr).Port

func isTransportReadFromServerError(err error) bool {
	_, ok := err.(transportReadFromServerError)
	return ok
}

func newLocalListener(t *testing.T) net.Listener {
	ln, err := net.Listen("tcp", "127.0.0.1:0")
	if err != nil {
		ln, err = net.Listen("tcp6", "[::1]:0")
	}
	if err != nil {
		t.Fatal(err)
	}
	return ln
}

func dummyRequest(method string) *Request {
	req, err := NewRequest(method, "http://fake.tld/", nil)

By default it will listen on the IP address `127.0.0.1`, which is the IP for your machine to communicate with itself alone (`localhost`).

## `fastapi run`

When you run `fastapi run`, it will run on production mode by default.

It will have **auto-reload disabled** by default.

package main

import (
	"bytes"
	"encoding/json"
	"flag"
	"fmt"
	"io"
	"log"
	"net/http"
)

var port int

func init() {
	flag.IntVar(&port, "port", 8080, "Port to listen on")
}

func mainHandler(w http.ResponseWriter, r *http.Request) {
	body, err := io.ReadAll(r.Body)
	defer r.Body.Close()
	if err != nil {
		log.Printf("Error reading request body: %v", err)

		klog.ErrorS(err, "Failed to cleanup the device plugin directory", "directory", s.socketDir)
		return err
	}

	ln, err := net.Listen("unix", s.SocketPath())
	if err != nil {
		klog.ErrorS(err, "Failed to listen to socket while starting device plugin registry")
		return err
	}

	s.wg.Add(1)
	s.grpc = grpc.NewServer([]grpc.ServerOption{}...)

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