From d710f745bd5550fccfc3335bc744cea1ded12d06 Mon Sep 17 00:00:00 2001
From: Naitik Shah <n@daaku.org>
Date: Wed, 27 Mar 2013 18:43:33 -0700
Subject: [PATCH] also close the counter channel to raise potential data races

---
 grace.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/grace.go b/grace.go
index af0cdc2..0d77799 100644
--- a/grace.go
+++ b/grace.go
@@ -103,6 +103,7 @@ func (l *listener) enabler() {
 		}
 		if l.closeRequest == nil && counter == 0 {
 			close(l.allClosed)
+			close(l.counter)
 			break
 		}
 	}