)

// TestMain initializes the testing framework
func TestMain(m *testing.M) {
	startLockServers()

	// Initialize locker clients for dsync.
	var clnts []NetLocker
	for i := range nodes {
		clnts = append(clnts, newClient(nodes[i].URL))
	}

	ds = &Dsync{
		GetLockers: func() ([]NetLocker, string) { return clnts, uuid.New().String() },
		Timeouts: Timeouts{
			Acquire:         testDrwMutexAcquireTimeout,

	trash:   make(map[string]metacache),
}

type metacacheManager struct {
	mu      sync.RWMutex
	init    sync.Once
	buckets map[string]*bucketMetacache
	trash   map[string]metacache // Recently deleted lists.
}

const metacacheMaxEntries = 5000

// initManager will start async saving the cache.
func (m *metacacheManager) initManager() {
	// Add a transient bucket.

		r = bf
	default:
		return fmt.Errorf("Unsupported format %s", f)
	}
	tarReader := tar.NewReader(r)
	n := 0
	asyncWriters := make(chan struct{}, 16)
	var wg sync.WaitGroup

	var asyncErr error
	var asyncErrMu sync.Mutex
	for {
		if !o.ignoreErrs {
			asyncErrMu.Lock()
			err := asyncErr
			asyncErrMu.Unlock()
			if err != nil {
				return err
			}
		}

pkg syscall (freebsd-arm64), func Fstatat(int, string, *Stat_t, int) error
pkg syscall (freebsd-arm64), func Fstatfs(int, *Statfs_t) error
pkg syscall (freebsd-arm64), func Fsync(int) error
pkg syscall (freebsd-arm64), func Ftruncate(int, int64) error
pkg syscall (freebsd-arm64), func Futimes(int, []Timeval) error
pkg syscall (freebsd-arm64), func Getdirentries(int, []uint8, *uintptr) (int, error)

pkg syscall (darwin-arm64), func Fpathconf(int, int) (int, error)
pkg syscall (darwin-arm64), func Fstat(int, *Stat_t) error
pkg syscall (darwin-arm64), func Fstatfs(int, *Statfs_t) error
pkg syscall (darwin-arm64), func Fsync(int) error
pkg syscall (darwin-arm64), func Ftruncate(int, int64) error
pkg syscall (darwin-arm64), func Futimes(int, []Timeval) error
pkg syscall (darwin-arm64), func Getdirentries(int, []uint8, *uintptr) (int, error)

pkg syscall (netbsd-arm64-cgo), func Fpathconf(int, int) (int, error)
pkg syscall (netbsd-arm64-cgo), func Fstat(int, *Stat_t) error
pkg syscall (netbsd-arm64-cgo), func Fsync(int) error
pkg syscall (netbsd-arm64-cgo), func Ftruncate(int, int64) error
pkg syscall (netbsd-arm64-cgo), func Futimes(int, []Timeval) error

* Fix tests to use fsync instead of sync ([#69755](https://github.com/kubernetes/kubernetes/pull/69755), [@mrunalp](https://github.com/mrunalp))

	return ies.loadMappedPolicy(ctx, name, userType, isGroup, m)
}

func (ies *IAMEtcdStore) loadMappedPolicy(ctx context.Context, name string, userType IAMUserType, isGroup bool, m *xsync.MapOf[string, MappedPolicy]) error {
	var p MappedPolicy

            byte[] buffer = new byte[256];
            System.arraycopy(SMBUtil.SMB2_HEADER, 0, buffer, 0, 4);
            // Set up async message fields
            SMBUtil.writeInt4(ServerMessageBlock2.SMB2_FLAGS_ASYNC_COMMAND, buffer, 16); // flags with async
            SMBUtil.writeInt8(789L, buffer, 32); // async ID
            SMBUtil.writeInt8(456L, buffer, 40); // session ID
            return buffer;
        }

        if ((this.flags & SMB2_FLAGS_ASYNC_COMMAND) == SMB2_FLAGS_ASYNC_COMMAND) {
            // async
            this.async = true;
            this.asyncId = SMBUtil.readInt8(buffer, bufferIndex);
            bufferIndex += 8;
        } else {
            // sync
            this.async = false;
            bufferIndex += 4; // reserved
            this.treeId = SMBUtil.readInt4(buffer, bufferIndex);