From 57387fa29f130b5fae28b50c935e61665a37f9ff Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Wed, 22 Jun 2016 13:17:03 +0200
Subject: src: guard against starting fs watcher twice

This commit adds a CHECK that verifies that the file event watcher is
not started twice, which would be indicative of a bug in lib/fs.js.

PR-URL: https://github.com/nodejs/node/pull/7374
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
---
 src/fs_event_wrap.cc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/fs_event_wrap.cc')

diff --git a/src/fs_event_wrap.cc b/src/fs_event_wrap.cc
index cf9559df9d..2354a1be0c 100644
--- a/src/fs_event_wrap.cc
+++ b/src/fs_event_wrap.cc
@@ -88,6 +88,7 @@ void FSEventWrap::Start(const FunctionCallbackInfo<Value>& args) {
 
   FSEventWrap* wrap;
   ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
+  CHECK_EQ(wrap->initialized_, false);
 
   static const char kErrMsg[] = "filename must be a string or Buffer";
   if (args.Length() < 1)
-- 
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