From 17b536725b647105011ace8425528665740e726b Mon Sep 17 00:00:00 2001
From: chzyer <0@0xdf.com>
Date: Thu, 6 Oct 2016 12:31:47 +0800
Subject: [PATCH] fix notify back

---
 std.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/std.go b/std.go
index 736fe5d..0e184cc 100644
--- a/std.go
+++ b/std.go
@@ -93,7 +93,11 @@ loop:
 		select {
 		case <-c.notify:
 			c.read, c.err = c.r.Read(c.data)
-			c.notify <- struct{}{}
+			select {
+			case c.notify <- struct{}{}:
+			case <-c.stop:
+				break loop
+			}
 		case <-c.stop:
 			break loop
 		}