From 29f17aa874d0ea3343928897695859b5dadf7f07 Mon Sep 17 00:00:00 2001
From: "John \"Elwin\" Edwards" <elwin@rlgallery.org>
Date: Sun, 16 Aug 2020 20:56:18 -0400
Subject: [PATCH] Fix race condition related to watching DGL games.

It's possible for a dgamelaunch game to end and cause rlgwebd to stop watching
it before rlgwebd has started watching it.
---
 rlgwebd | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rlgwebd b/rlgwebd
index 3d7a944..855caa8 100755
--- a/rlgwebd
+++ b/rlgwebd
@@ -418,7 +418,9 @@ DglSession.prototype.notifier = function (ev, finame) {
 };
 
 DglSession.prototype.close = function () {
-  this.recwatcher.close();
+  /* The watcher might not be open yet. */
+  if ("recwatcher" in this)
+    this.recwatcher.close();
   /* Ensure all data is handled before quitting. */
   this.startchunk();
   var connlist = this.watchers;