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: #7374 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Michael Dawson <[email protected]>
nodejs · Jul 14, 2016 · 67937bc · 67937bc
1 parent c03bd57
commit 67937bc
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/fs_event_wrap.cc b/src/fs_event_wrap.cc
@@ -85,6 +85,7 @@ void FSEventWrap::Start(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
 
   FSEventWrap* wrap = Unwrap<FSEventWrap>(args.Holder());
+  CHECK_EQ(wrap->initialized_, false);
 
   if (args.Length() < 1 || !args[0]->IsString()) {
     return env->ThrowTypeError("filename must be a valid string");