Lock the queue. No enqueue/dequeue/remove/get operations will be allowed after this point.
()
| 22 | |
| 23 | // Lock the queue. No enqueue/dequeue/remove/get operations will be allowed after this point. |
| 24 | Lock() |
| 25 | // Unlock the queue. |
| 26 | Unlock() |
| 27 | // Return true whether the queue is locked |
no outgoing calls