Attempt to stop games gracefully before terminating emulation

src/Ryujinx.Gtk3/UI/MainWindow.cs

@@ -21,6 +21,7 @@ using Ryujinx.Graphics.GAL.Multithreading;
 using Ryujinx.HLE.FileSystem;
 using Ryujinx.HLE.HOS;
 using Ryujinx.HLE.HOS.Services.Account.Acc;
+using Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.SystemAppletProxy;
 using Ryujinx.HLE.HOS.SystemState;
 using Ryujinx.Input.GTK3;
 using Ryujinx.Input.HLE;
@@ -677,7 +678,8 @@ namespace Ryujinx.UI
                 ConfigurationState.Instance.System.AudioVolume,
                 ConfigurationState.Instance.System.UseHypervisor,
                 ConfigurationState.Instance.Multiplayer.LanInterfaceId.Value,
-                ConfigurationState.Instance.Multiplayer.Mode);
+                ConfigurationState.Instance.Multiplayer.Mode,
+                () => StopEmulation());
 
             _emulationContext = new HLE.Switch(configuration);
         }
@@ -1484,7 +1486,7 @@ namespace Ryujinx.UI
             SaveConfig();
         }
 
-        private void StopEmulation_Pressed(object sender, EventArgs args)
+        private void StopEmulation()
         {
             if (_emulationContext != null)
             {
@@ -1497,6 +1499,16 @@ namespace Ryujinx.UI
             RendererWidget?.Exit();
         }
 
+        private void StopEmulation_Pressed(object sender, EventArgs args)
+        {
+            _emulationContext.System.RequestExit();
+            Task.Run(async () =>
+            {
+                await Task.Delay(5000);
+                StopEmulation();
+            });
+        }
+
         private void PauseEmulation_Pressed(object sender, EventArgs args)
         {
             _pauseEmulation.Sensitive = false;

src/Ryujinx.HLE/HLEConfiguration.cs

@@ -169,6 +169,11 @@ namespace Ryujinx.HLE
         /// </summary>
         public Action RefreshInputConfig { internal get; set; }
 
+        /// <summary>
+        /// An action to stop emulation.
+        /// </summary>
+        public Action Stop { internal get; set; }
+
         public HLEConfiguration(VirtualFileSystem virtualFileSystem,
                                 LibHacHorizonManager libHacHorizonManager,
                                 ContentManager contentManager,
@@ -194,7 +199,8 @@ namespace Ryujinx.HLE
                                 float audioVolume,
                                 bool useHypervisor,
                                 string multiplayerLanInterfaceId,
-                                MultiplayerMode multiplayerMode)
+                                MultiplayerMode multiplayerMode,
+                                Action stop)
         {
             VirtualFileSystem = virtualFileSystem;
             LibHacHorizonManager = libHacHorizonManager;
@@ -222,6 +228,7 @@ namespace Ryujinx.HLE
             UseHypervisor = useHypervisor;
             MultiplayerLanInterfaceId = multiplayerLanInterfaceId;
             MultiplayerMode = multiplayerMode;
+            Stop = stop;
         }
     }
 }

src/Ryujinx.HLE/HOS/Horizon.cs

@@ -329,6 +329,12 @@ namespace Ryujinx.HLE.HOS
             AppletState.SetFocus(true);
         }
 
+        public void RequestExit()
+        {
+            AppletState.Messages.Enqueue(AppletMessage.Exit);
+            AppletState.MessageEvent.ReadableEvent.Signal();
+        }
+
         public void SimulateWakeUpMessage()
         {
             AppletState.Messages.Enqueue(AppletMessage.Resume);

src/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ISelfController.cs

@@ -51,7 +51,9 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.Sys
         // Exit()
         public ResultCode Exit(ServiceCtx context)
         {
-            Logger.Stub?.PrintStub(LogClass.ServiceAm);
+            Logger.Warning?.Print(LogClass.ServiceAm, "Self Applet Exit");
+
+            context.Device.Configuration.Stop();
 
             return ResultCode.Success;
         }

src/Ryujinx.Headless.SDL2/Program.cs

@@ -580,7 +580,8 @@ namespace Ryujinx.Headless.SDL2
                 options.AudioVolume,
                 options.UseHypervisor ?? true,
                 options.MultiplayerLanInterfaceId,
-                Common.Configuration.Multiplayer.MultiplayerMode.Disabled);
+                Common.Configuration.Multiplayer.MultiplayerMode.Disabled,
+                () => _window.Exit());
 
             return new Switch(configuration);
         }

src/Ryujinx.Headless.SDL2/WindowBase.cs

@@ -221,7 +221,12 @@ namespace Ryujinx.Headless.SDL2
                         break;
 
                     case SDL_WindowEventID.SDL_WINDOWEVENT_CLOSE:
+                        Device.System.RequestExit();
+                        /*
+                        SDL2Driver.Instance.AddTimer(5000, () => {
                             Exit();
+                        });
+                        */
                         break;
                 }
             }

src/Ryujinx.SDL2.Common/SDL2Driver.cs

@@ -25,7 +25,7 @@ namespace Ryujinx.SDL2.Common
 
         public static Action<Action> MainThreadDispatcher { get; set; }
 
-        private const uint SdlInitFlags = SDL_INIT_EVENTS | SDL_INIT_GAMECONTROLLER | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_VIDEO;
+        private const uint SdlInitFlags = SDL_INIT_EVENTS | SDL_INIT_GAMECONTROLLER | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_VIDEO | SDL_INIT_TIMER;
 
         private bool _isRunning;
         private uint _refereceCount;

src/Ryujinx/AppHost.cs

@@ -872,7 +872,8 @@ namespace Ryujinx.Ava
                                                  ConfigurationState.Instance.System.AudioVolume,
                                                  ConfigurationState.Instance.System.UseHypervisor,
                                                  ConfigurationState.Instance.Multiplayer.LanInterfaceId.Value,
-                                                 ConfigurationState.Instance.Multiplayer.Mode);
+                                                 ConfigurationState.Instance.Multiplayer.Mode,
+                                                 () => Stop());
 
             Device = new Switch(configuration);
         }
@@ -1092,7 +1093,12 @@ namespace Ryujinx.Ava
 
             if (shouldExit)
             {
+                Device.System.RequestExit();
+                Task.Run(async () =>
+                {
+                    await Task.Delay(5000);
                     Stop();
+                });
             }
         }