// GetLock tries to get a write lock on dm before the timeout elapses.
//
// If the lock is already in use, the calling go routine
// blocks until either the mutex becomes available and return success or
// more time has passed than the timeout value and return false.
func (dm *DRWMutex) GetLock(ctx context.Context, cancel context.CancelFunc, id, source string, opts Options) (locked bool) {
	isReadLock := false

				t.Fatal(err)
			}

			// Listen for isReady to be set to true
			ticker := time.NewTicker(500 * time.Millisecond)
			defer ticker.Stop()
			readyChan := make(chan bool)
			go func(ctx context.Context, tick <-chan time.Time) {
				for {
					select {
					case <-ctx.Done():
						return
					case <-tick:
						if isReady.Load().(bool) {
							readyChan <- true
						}
					}

func WithDeadline[V any](ctx context.Context, timeout time.Duration, work func(ctx context.Context) (result V, err error)) (result V, err error) {
	ctx, cancel := context.WithTimeout(ctx, timeout)
	defer cancel()

	c := make(chan ioret[V], 1)
	go func() {
		v, err := work(ctx)
		c <- ioret[V]{val: v, err: err}
	}()

	select {
	case v := <-c:
		return v.val, v.err
	case <-ctx.Done():
		var zero V

		rng.Shuffle(len(vers), func(i, j int) {
			vers[i], vers[j] = vers[j], vers[i]
		})
		var entries []chan metaCacheEntry
		for _, v := range vers {
			v.cached = nil
			ch := make(chan metaCacheEntry, 1)
			ch <- v
			close(ch)
			entries = append(entries, ch)
		}
		out := make(chan metaCacheEntry, 1)
		err := mergeEntryChannels(context.Background(), entries, out, 1)
		if err != nil {

		return fmt.Errorf("cannot update resource %s, got status %s", scope.Name, resp.Status)
	}
	return nil
}

func (c *ControlzClient) PutScopes(scopes []*ScopeInfo) error {
	ch := make(chan struct {
		err       error
		scopeName string
	}, len(scopes))
	var wg sync.WaitGroup
	for _, scope := range scopes {
		wg.Add(1)
		go func(si *ScopeInfo) {
			defer wg.Done()
			err := c.PutScope(si)

// items have the pathPrefix removed from their names.
func listIAMConfigItems(ctx context.Context, objAPI ObjectLayer, pathPrefix string) <-chan itemOrErr {
	ch := make(chan itemOrErr)

	go func() {
		defer xioutil.SafeClose(ch)

		// Allocate new results channel to receive ObjectInfo.
		objInfoCh := make(chan ObjectInfo)

		if err := objAPI.Walk(ctx, minioMetaBucket, pathPrefix, objInfoCh, WalkOptions{}); err != nil {
			select {

	// SS parity drives should be greater than or equal to minParityDrives.
	// Parity below minParityDrives is not supported.
	if ssParity > 0 && ssParity < minParityDrives {
		return fmt.Errorf("parity %d should be greater than or equal to %d",
			ssParity, minParityDrives)
	}

	if ssParity > setDriveCount/2 {
		return fmt.Errorf("parity %d should be less than or equal to %d", ssParity, setDriveCount/2)
	}

		defer cancel()

		if prefix == "" {
			// if all objects are not deleted yet this call may fail.
			return clnt.RemoveBucket(cctx, bucket)
		}

		objectsCh := make(chan minio.ObjectInfo)

		// Send object names that are needed to be removed to objectsCh
		go func() {
			defer xioutil.SafeClose(objectsCh)
			opts := minio.ListObjectsOptions{
				Prefix:    prefix,

}

// startDebugBridge ensures that the idevicedebugserverproxy runs on
// port 3222.
func startDebugBridge() (func(), error) {
	errChan := make(chan error, 1)
	cmd := idevCmd(exec.Command("idevicedebugserverproxy", "3222"))
	var stderr bytes.Buffer
	cmd.Stderr = &stderr
	if err := cmd.Start(); err != nil {
		return nil, fmt.Errorf("idevicedebugserverproxy: %v", err)

	// to authenticate to KMS via mTLS.
	Certificate *certs.Certificate

	// ReloadCertEvents is an event channel that receives
	// the reloaded client certificate.
	ReloadCertEvents <-chan tls.Certificate

	// RootCAs is a set of root CA certificates
	// to verify the KMS server TLS certificate.
	RootCAs *x509.CertPool
}

// NewWithConfig returns a new KMS using the given
// configuration.