From d42b22d5e81a6476432fa3b0430e2997d0ce2f2c Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Sat, 2 Mar 2019 10:51:56 +0000
Subject: [PATCH] Add GCNotifier class.

---
 src/Avalonia.Base/Utilities/GCNotifier.cs | 29 +++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 src/Avalonia.Base/Utilities/GCNotifier.cs

diff --git a/src/Avalonia.Base/Utilities/GCNotifier.cs b/src/Avalonia.Base/Utilities/GCNotifier.cs
new file mode 100644
index 0000000000..f42e78c76a
--- /dev/null
+++ b/src/Avalonia.Base/Utilities/GCNotifier.cs
@@ -0,0 +1,29 @@
+// Copyright (c) The Avalonia Project. All rights reserved.
+// Licensed under the MIT license. See licence.md file in the project root for full license information.
+
+using System;
+
+namespace Avalonia.Utilities
+{
+    public class GCNotifier
+    {
+        public static event EventHandler GarbageCollected;
+
+        static GCNotifier()
+        {
+            new GCNotifier();
+        }
+
+        ~GCNotifier()
+        {
+            if (Environment.HasShutdownStarted || AppDomain.CurrentDomain.IsFinalizingForUnload())
+            {
+                return;
+            }
+
+            new GCNotifier();
+
+            GarbageCollected?.Invoke(null, EventArgs.Empty);
+        }
+    }
+}