From 7e6d59d6702e1c679c5cd77193bda8f8f3bd3812 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Thu, 5 Aug 2021 11:04:52 +0200
Subject: [PATCH] Respect CancellationToken in RunLoop.

---
 .../Platform/InternalPlatformThreadingInterface.cs          | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Avalonia.Controls/Platform/InternalPlatformThreadingInterface.cs b/src/Avalonia.Controls/Platform/InternalPlatformThreadingInterface.cs
index cb1291410a..a5495fdfc9 100644
--- a/src/Avalonia.Controls/Platform/InternalPlatformThreadingInterface.cs
+++ b/src/Avalonia.Controls/Platform/InternalPlatformThreadingInterface.cs
@@ -21,10 +21,12 @@ namespace Avalonia.Controls.Platform
 
         public void RunLoop(CancellationToken cancellationToken)
         {
-            while (true)
+            var handles = new[] { _signaled, cancellationToken.WaitHandle };
+
+            while (!cancellationToken.IsCancellationRequested)
             {
                 Signaled?.Invoke(null);
-                _signaled.WaitOne();
+                WaitHandle.WaitAny(handles);
             }
         }