package sql

import (
	"context"
	"database/sql/driver"
	"errors"
	"fmt"
	"io"
	"math/rand/v2"
	"reflect"
	"runtime"
	"slices"
	"strconv"
	"sync"
	"sync/atomic"
	"time"
	_ "unsafe"
)

var driversMu sync.RWMutex

// drivers should be an internal detail,
// but widely used packages access it using linkname.
// (It is extra wrong that they linkname drivers but not driversMu.)

golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=

	"fmt"
	"internal/race"
	"internal/testenv"
	"math/rand"
	"reflect"
	"runtime"
	"slices"
	"strings"
	"sync"
	"sync/atomic"
	"testing"
	"time"
)

func init() {
	type dbConn struct {
		db *DB
		c  *driverConn
	}
	freedFrom := make(map[dbConn]string)
	var mu sync.Mutex
	getFreedFrom := func(c dbConn) string {
		mu.Lock()
		defer mu.Unlock()
		return freedFrom[c]
	}

		if t {
			return "true"
		}
		return ""
	}
	runningPods := make(map[types.UID]sets.Empty)
	possiblyRunningPods := make(map[types.UID]sets.Empty)
	for uid, sync := range workingPods {
		switch sync.State {
		case SyncPod:
			runningPods[uid] = struct{}{}
			possiblyRunningPods[uid] = struct{}{}
		case TerminatingPod:
			possiblyRunningPods[uid] = struct{}{}
		default:
		}

	infos, err := globalSiteReplicationSys.GetClusterInfo(ctx)
	if err != nil {
		return results, err
	}
	var wg sync.WaitGroup
	var resultsMu sync.RWMutex
	for _, info := range infos.Sites {
		info := info
		// will call siteNetperf, means call others's adminAPISiteReplicationDevNull
		if globalDeploymentID() == info.DeploymentID {
			wg.Add(1)

function construct-linux-kubelet-flags {
  local node_type="$1"
  local flags
  flags="$(construct-common-kubelet-flags)"
  # Keep in sync with CONTAINERIZED_MOUNTER_HOME in configure-helper.sh
  flags+=" --experimental-mounter-path=/home/kubernetes/containerized_mounter/mounter"
  # Keep in sync with the mkdir command in configure-helper.sh (until the TODO is resolved)
  flags+=" --cert-dir=/var/lib/kubelet/pki/"

	// Run once to populate the status map.
	kl.HandlePodAdditions(pods)
	if _, found := kl.statusManager.GetPodStatus(podToTest.UID); !found {
		t.Fatalf("expected to have status cached for pod2")
	}
	// Sync with empty pods so that the entry in status map will be removed.
	kl.podManager.SetPods([]*v1.Pod{})
	kl.HandlePodCleanups(ctx)
	if _, found := kl.statusManager.GetPodStatus(podToTest.UID); found {

	"net/http/httptrace"
	"net/http/httputil"
	"net/http/internal"
	"net/http/internal/testcert"
	"net/url"
	"os"
	"path/filepath"
	"reflect"
	"regexp"
	"runtime"
	"strconv"
	"strings"
	"sync"
	"sync/atomic"
	"syscall"
	"testing"
	"time"
)

type dummyAddr string
type oneConnListener struct {
	conn net.Conn
}

func (l *oneConnListener) Accept() (c net.Conn, err error) {
	c = l.conn

	// for client state to sync. In fact, because the client is not updated during tests, informer updates will break tests
	// by unexpectedly deleting objects.
	//
	// TODO: It might be better to rewrite all these tests manipulate the client an explicitly sync to ensure consistent
	// state, or to create a fake client that does not use a local cache.

	"fmt"
	"internal/abi"
	"log"
	"math/rand"
	"os"
	"sort"
	"strconv"
	"strings"
	"sync"
	"sync/atomic"
)

// isRuntimeDepPkg reports whether pkg is the runtime package or its dependency.
func isRuntimeDepPkg(pkg string) bool {
	switch pkg {
	case "runtime",
		"sync/atomic",          // runtime may call to sync/atomic, due to go:linkname
		"internal/abi",         // used by reflectcall (and maybe more)