Change how abort clause is handled for unhandled input thread exceptions

DS4Windows/App.xaml.cs

@@ -188,6 +188,7 @@ namespace DS4WinWPF
                 {
                     Dispatcher.Invoke(() =>
                     {
+                        rootHub.PrepareAbort();
                         CleanShutdown();
                     });
                 }

DS4Windows/DS4Control/ControlService.cs

@@ -688,6 +688,18 @@ namespace DS4Windows
             }
         }
 
+        public void PrepareAbort()
+        {
+            for (int i = 0, arlength = DS4Controllers.Length; i < arlength; i++)
+            {
+                DS4Device tempDevice = DS4Controllers[i];
+                if (tempDevice != null)
+                {
+                   tempDevice.PrepareAbort();
+                }
+            }
+        }
+
         public bool Stop(bool showlog = true)
         {
             if (running)

DS4Windows/DS4Library/DS4Device.cs

@@ -608,9 +608,8 @@ namespace DS4Windows
                 try
                 {
                     exitInputThread = true;
-                    if (ds4Input.ThreadState.HasFlag(System.Threading.ThreadState.WaitSleepJoin))
+                    //ds4Input.Interrupt();
-                        ds4Input.Interrupt();
+                    if (!abortInputThread)
-                    else
                         ds4Input.Join();
                 }
                 catch (Exception e)
@@ -1582,5 +1581,11 @@ namespace DS4Windows
         {
             return !test.Equals(blankSerial);
         }
+
+        private bool abortInputThread = false;
+        public void PrepareAbort()
+        {
+            abortInputThread = true;
+        }
     }
 }