/*
* Document-method: empty?
* call-seq: empty?
*
* Returns +true+ if the queue is empty.
*
*/
static VALUE
rb_queue_empty_p(VALUE self)
{
Queue *queue;
VALUE result;
Data_Get_Struct(self, Queue, queue);
lock_mutex(&queue->mutex);
result = queue->values.size == 0 ? Qtrue : Qfalse;
unlock_mutex(&queue->mutex);
return result;
}