Provides a thread-safe queue. Any number of threads can add elements to the end of the queue or remove elements from the head.
| new |
Creates a new empty queue. Returns an object representing the queue.
| dequeue |
Removes and returns a scalar from the head of the queue. If the queue is empty, dequeue blocks the thread until another thread enqueue s a scalar on the queue.
| dequeue_nb |
Like dequeue, but returns undef if the queue is empty instead of blocking.
| enqueue |
Adds the list of scalars, list, to the end of the queue.
| pending |
Returns the number of items remaining in the queue.
| 8.210. Thread | 8.212. Thread::Semaphore |
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