Merge pull request #1167 from rwf-rr/bugfix-runactivity-slow-exit

Fix: RunActivity slow to terminate because of long sleep in Host Process

Author: twpol

Source/RunActivity/Processes/ProcessState.cs

@@ -95,5 +95,11 @@ public void WaitTillFinished()
             DebugFileStream.Write("{0},WTF-\n", DateTime.Now.Ticks);
 #endif
         }
+
+        /// <summary>Wait for the specified number of milliseconds, unless termination is signalled.</summary>
+        public void Sleep(int milliseconds)
+        {
+            TerminateEvent.WaitOne(milliseconds);
+        }
     }
 }

Source/RunActivity/Viewer3D/Processes/HostProcess.cs

@@ -1,4 +1,4 @@
-// COPYRIGHT 2022 by the Open Rails project.
+// COPYRIGHT 2022 by the Open Rails project.
 // 
 // This file is part of Open Rails.
 // 
@@ -93,7 +93,7 @@ void HostThread()
 
             while (true)
             {
-                Thread.Sleep(SleepTime);
+                State.Sleep(SleepTime);
                 if (State.Terminated)
                     break;
                 if (!DoHost())