retryInterval: time.Minute,
})

type sharedLock struct {
	lockContext chan LockContext
}

func (ld sharedLock) backgroundRoutine(ctx context.Context, objAPI ObjectLayer, lockName string) {
	for {
		locker := objAPI.NewNSLock(minioMetaBucket, lockName)
		lkctx, err := locker.GetLock(ctx, sharedLockTimeout)
		if err != nil {
			continue
		}

	keepLock:
		for {
			select {
			case <-ctx.Done():
				return

    return policy == Policies.DISABLED
        ? new ReentrantLock(fair)
        : new CycleDetectingReentrantLock(new LockGraphNode(lockName), fair);
  }

  /** Equivalent to {@code newReentrantReadWriteLock(lockName, false)}. */
  public ReentrantReadWriteLock newReentrantReadWriteLock(String lockName) {
    return newReentrantReadWriteLock(lockName, false);
  }

  /**

	//
	// The lock file is never deleted, to avoid concurrent locks on distinct
	// files with the same path.
	lockName := filepath.Join(os.TempDir(), "go_ios_exec-"+deviceID+".lock")
	lock, err = os.OpenFile(lockName, os.O_CREATE|os.O_RDONLY, 0666)
	if err != nil {
		return 1, err
	}
	if err := syscall.Flock(int(lock.Fd()), syscall.LOCK_EX); err != nil {
		return 1, err
	}