/*
* Document-method: length
* call-seq: length
*
* Returns the length of the queue.
*
*/
static VALUE
rb_queue_length(VALUE self)
{
Queue *queue;
VALUE result;
Data_Get_Struct(self, Queue, queue);
lock_mutex(&queue->mutex);
result = ULONG2NUM(queue->values.size);
unlock_mutex(&queue->mutex);
return result;
}