ensure SMAPI resources are disposed on exit (#268)

release-notes.md

@@ -16,7 +16,8 @@ See [log](https://github.com/Pathoschild/SMAPI/compare/1.9...1.10).
 For players:
 * Added support for Stardew Valley 1.2 beta.
 * Added logic to rewrite many mods for compatibility with game updates, though some mods may still need an update.
-* Fixed some players getting `SEHException` errors.
+* Fixed `SEHException` errors affecting some players.
+* Fixed issue where SMAPI didn't unlock some files on exit.
 * Fixed rare issue where the installer would crash trying to delete a bundled mod from `%appdata%`.
 * Improved TrainerMod commands:
   * Added `world_setyear` to change the current year.

src/StardewModdingAPI/Program.cs

@@ -22,7 +22,7 @@ using Monitor = StardewModdingAPI.Framework.Monitor;
 namespace StardewModdingAPI
 {
     /// <summary>The main entry point for SMAPI, responsible for hooking into and launching the game.</summary>
-    internal class Program
+    internal class Program : IDisposable
     {
         /*********
         ** Properties
@@ -87,8 +87,8 @@ namespace StardewModdingAPI
                 logPath = Constants.DefaultLogPath;
 
             // load SMAPI
-            new Program(writeToConsole, logPath)
-                .LaunchInteractively();
+            using (Program program = new Program(writeToConsole, logPath))
+                program.RunInteractively();
         }
 
         /// <summary>Construct an instance.</summary>
@@ -101,7 +101,7 @@ namespace StardewModdingAPI
         }
 
         /// <summary>Launch SMAPI.</summary>
-        public void LaunchInteractively()
+        public void RunInteractively()
         {
             // initialise SMAPI
             try
@@ -204,6 +204,15 @@ namespace StardewModdingAPI
             return this.GetSecondaryMonitor(modName);
         }
 
+        /// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
+        public void Dispose()
+        {
+            this.LogFile?.Dispose();
+            this.ConsoleManager?.Dispose();
+            this.CancellationTokenSource?.Dispose();
+            this.GameInstance?.Dispose();
+        }
+
 
         /*********
         ** Private methods