diff --git a/heap_manager.go b/heap_manager.go
index fe2152d..5233a10 100644
--- a/heap_manager.go
+++ b/heap_manager.go
@@ -14,6 +14,7 @@
 	h_iter
 	h_pop_all
 	h_fix
+	h_end
 )
 
 type heapRequest struct {
@@ -82,6 +83,10 @@
 			close(data.iter)
 		case h_fix:
 			heap.Fix(&bHeap, req.data.(int))
+		case h_end:
+			close(m)
+			data := req.data.(chan []*Bar)
+			data <- bHeap
 		}
 	}
 }
@@ -108,3 +113,9 @@
 func (m heapManager) fix(index int) {
 	m <- heapRequest{cmd: h_push, data: index}
 }
+
+func (m heapManager) end() []*Bar {
+	data := make(chan []*Bar)
+	m <- heapRequest{cmd: h_end, data: data}
+	return <-data
+}