From 5dc1e0f3af83bdae1feead55675d7b559d7cd681 Mon Sep 17 00:00:00 2001
From: zhongjiajia <zhongjiajia@360.net>
Date: Thu, 24 Jan 2019 15:46:41 +0800
Subject: [PATCH] use buffered chan for h.detached

---
 handler.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/handler.go b/handler.go
index 8107e3e..fd87234 100644
--- a/handler.go
+++ b/handler.go
@@ -89,7 +89,7 @@ func (h *TargetHandler) Run(ctxt context.Context) error {
 	h.qres = make(chan *cdproto.Message)
 	h.qevents = make(chan *cdproto.Message)
 	h.res = make(map[int64]chan *cdproto.Message)
-	h.detached = make(chan *inspector.EventDetached)
+	h.detached = make(chan *inspector.EventDetached, 1)
 	h.pageWaitGroup = new(sync.WaitGroup)
 	h.domWaitGroup = new(sync.WaitGroup)
 	h.Unlock()