cleanup

src/Umbraco.Web/PublishedCache/XmlPublishedCache/XmlCacheFilePersister.cs

@@ -128,8 +128,8 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
         {
             get { return true; }
         }
-       
-        public async Task RunAsync()
+
+        public async Task RunAsync(CancellationToken token)
         {
             LogHelper.Debug<XmlCacheFilePersister>("Run now.");
             var doc = _content.XmlContentInternal;

src/Umbraco.Web/Scheduling/BackgroundTaskRunner.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Concurrent;
-using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using System.Threading;
 using System.Threading.Tasks;
@@ -14,7 +13,7 @@ namespace Umbraco.Web.Scheduling
     /// </summary>
     /// <typeparam name="T">The type of the managed tasks.</typeparam>
     /// <remarks>The task runner is web-aware and will ensure that it shuts down correctly when the AppDomain
-    /// shuts down (ie is unloaded). FIXME WHAT DOES THAT MEAN?</remarks>
+    /// shuts down (ie is unloaded).</remarks>
     internal class BackgroundTaskRunner<T> : IBackgroundTaskRunner<T>
         where T : class, IBackgroundTask
     {
@@ -373,7 +372,7 @@ namespace Umbraco.Web.Scheduling
                     using (bgTask) // ensure it's disposed
                     {
                         if (bgTask.IsAsync)
-                            await bgTask.RunAsync(); // fixme should pass the token along?!
+                            await bgTask.RunAsync(token);
                         else
                             bgTask.Run();
                     }

src/Umbraco.Web/Scheduling/DelayedRecurringTaskBase.cs

@@ -44,11 +44,11 @@ namespace Umbraco.Web.Scheduling
             base.Run();
         }
 
-        public override async Task RunAsync()
+        public override async Task RunAsync(CancellationToken token)
         {
             if (_latch != null)
                 _latch.Dispose();
-            await base.RunAsync();
+            await base.RunAsync(token);
         }
 
         public WaitHandle Latch

src/Umbraco.Web/Scheduling/IBackgroundTask.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace Umbraco.Web.Scheduling
@@ -16,9 +17,10 @@ namespace Umbraco.Web.Scheduling
         /// <summary>
         /// Runs the task asynchronously.
         /// </summary>
+        /// <param name="token">A cancellation token.</param>
         /// <returns>A <see cref="Task"/> instance representing the execution of the background task.</returns>
         /// <exception cref="NotImplementedException">The background task cannot run asynchronously.</exception>
-        Task RunAsync();
+        Task RunAsync(CancellationToken token);
 
         /// <summary>
         /// Indicates whether the background task can run asynchronously.

src/Umbraco.Web/Scheduling/RecurringTaskBase.cs

@@ -53,7 +53,7 @@ namespace Umbraco.Web.Scheduling
         /// Implements IBackgroundTask.RunAsync().
         /// </summary>
         /// <remarks>Classes inheriting from <c>RecurringTaskBase</c> must implement <c>PerformRun</c>.</remarks>
-        public virtual async Task RunAsync()
+        public virtual async Task RunAsync(CancellationToken token)
         {
             await PerformRunAsync();
             Repeat();