Merge branch '142-add-restart-command' into 'master'

Add restart emulation command

See merge request [ryubing/ryujinx!276](https://git.ryujinx.app/ryubing/ryujinx/-/merge_requests/276)

assets/Locales/Root.json

@@ -575,6 +575,31 @@
         "zh_TW": "停止模擬"
       }
     },
+    {
+      "ID": "MenuBarOptionsRestartEmulation",
+      "Translations": {
+        "ar_SA": "",
+        "de_DE": "",
+        "el_GR": "",
+        "en_US": "Restart Emulation",
+        "es_ES": "",
+        "fr_FR": "",
+        "he_IL": "",
+        "it_IT": "",
+        "ja_JP": "",
+        "ko_KR": "",
+        "no_NO": "",
+        "pl_PL": "",
+        "pt_BR": "",
+        "ru_RU": "",
+        "sv_SE": "",
+        "th_TH": "",
+        "tr_TR": "",
+        "uk_UA": "",
+        "zh_CN": "",
+        "zh_TW": ""
+      }
+    },
     {
       "ID": "MenuBarOptionsSettings",
       "Translations": {
@@ -24876,4 +24901,4 @@
       }
     }
   ]
-}
+}

src/Ryujinx.Common/Utilities/OsUtils.cs

@@ -22,10 +22,11 @@ namespace Ryujinx.Common.Utilities
         }
 
         // "dumpable" attribute of the calling process
+        private const int PR_GET_DUMPABLE = 3;
         private const int PR_SET_DUMPABLE = 4;
 
-        [DllImport("libc", SetLastError = true)]
-        private static extern int prctl(int option, int arg2);
+        [LibraryImport("libc", SetLastError = true)]
+        private static partial int prctl(int option, int arg2);
 
         public static void SetCoreDumpable(bool dumpable)
         {
@@ -36,5 +37,13 @@ namespace Ryujinx.Common.Utilities
                 Debug.Assert(result == 0);
             }
         }
+
+        // Use the below line to display dumpable status in the console:
+        // Console.WriteLine($"{OsUtils.IsCoreDumpable()}");
+        public static bool IsCoreDumpable()
+        {
+            int result = prctl(PR_GET_DUMPABLE, 0);
+            return result == 1;
+        }
     }
 }

src/Ryujinx/Program.cs

@@ -42,6 +42,7 @@ namespace Ryujinx.Ava
         public static bool PreviewerDetached { get; private set; }
         public static bool UseHardwareAcceleration { get; private set; }
         public static string BackendThreadingArg { get; private set; }
+        public static bool CoreDumpArg { get; private set; }
 
         private const uint MbIconwarning = 0x30;
 
@@ -81,6 +82,8 @@ namespace Ryujinx.Ava
             bool noGuiArg = ConsumeCommandLineArgument(ref args, "--no-gui") || ConsumeCommandLineArgument(ref args, "nogui");
             bool coreDumpArg = ConsumeCommandLineArgument(ref args, "--core-dumps");
 
+            CoreDumpArg = coreDumpArg;
+
             // TODO: Ryujinx causes core dumps on Linux when it exits "uncleanly", eg. through an unhandled exception.
             //       This is undesirable and causes very odd behavior during development (the process stops responding, 
             //       the .NET debugger freezes or suddenly detaches, /tmp/ gets filled etc.), unless explicitly requested by the user.

src/Ryujinx/UI/ViewModels/MainWindowViewModel.cs

@@ -174,6 +174,7 @@ namespace Ryujinx.Ava.UI.ViewModels
         private string _screenshotKey = "F8";
         private float _volume;
         private ApplicationData _currentApplicationData;
+        private bool _pendingRestart;
         private readonly AutoResetEvent _rendererWaitEvent;
         private int _customVSyncInterval;
         private int _customVSyncIntervalPercentageProxy;
@@ -1250,6 +1251,14 @@ namespace Ryujinx.Ava.UI.ViewModels
 
                 await LoadApplication(_currentApplicationData);
             }
+            else if (_pendingRestart)
+            {
+                _pendingRestart = false;
+
+                Logger.Info?.Print(LogClass.Application, $"Restarting emulation for '{_currentApplicationData.Name}'");
+
+                await LoadApplication(_currentApplicationData);
+            }
             else
             {
                 // Otherwise, clear state.
@@ -1258,6 +1267,21 @@ namespace Ryujinx.Ava.UI.ViewModels
             }
         }
 
+        public void RestartEmulation()
+        {
+            if (AppHost is null || _currentApplicationData is null)
+            {
+                Logger.Warning?.Print(LogClass.Application, "RestartEmulation called but no application is running.");
+
+                return;
+            }
+
+            Logger.Info?.Print(LogClass.Application, $"Restart requested for '{_currentApplicationData.Name}'");
+
+            _pendingRestart = true;
+            AppHost.Stop();
+        }
+
         private void Update_StatusBar(object sender, StatusUpdatedEventArgs args)
         {
             if (ShowMenuAndStatusBar && !ShowLoadProgress)

src/Ryujinx/UI/Views/Main/MainMenuBarView.axaml

@@ -167,6 +167,12 @@
                     Icon="{ext:Icon fa-solid fa-stop}"
                     InputGesture="Escape"
                     IsEnabled="{Binding IsGameRunning}" />
+                <MenuItem
+                    Name="RestartEmulationMenuItem"
+                    Header="{ext:Locale MenuBarOptionsRestartEmulation}"
+                    Icon="{ext:Icon fa-solid fa-rotate-right}"
+                    InputGesture="Ctrl + R"
+                    IsEnabled="{Binding IsGameRunning}" />
                 <MenuItem Command="{Binding SimulateWakeUpMessage}" Header="{ext:Locale MenuBarOptionsSimulateWakeUpMessage}" Icon="{ext:Icon fa-solid fa-sun}" />
                 <Separator />
                 <MenuItem

src/Ryujinx/UI/Views/Main/MainMenuBarView.axaml.cs

@@ -43,6 +43,7 @@ namespace Ryujinx.Ava.UI.Views.Main
             PauseEmulationMenuItem.Command = Commands.Create(() => ViewModel.AppHost?.Pause());
             ResumeEmulationMenuItem.Command = Commands.Create(() => ViewModel.AppHost?.Resume());
             StopEmulationMenuItem.Command = Commands.Create(() => ViewModel.AppHost?.ShowExitPrompt().OrCompleted());
+            RestartEmulationMenuItem.Command = Commands.Create(() => ViewModel.RestartEmulation());
             CheatManagerMenuItem.Command = Commands.CreateSilentFail(OpenCheatManagerForCurrentApp);
             InstallFileTypesMenuItem.Command = Commands.Create(InstallFileTypes);
             UninstallFileTypesMenuItem.Command = Commands.Create(UninstallFileTypes);

src/Ryujinx/UI/Windows/MainWindow.axaml

@@ -41,6 +41,7 @@
         <KeyBinding Gesture="Escape" Command="{Binding ExitCurrentState}" />
         <KeyBinding Gesture="Ctrl+A" Command="{Binding OpenAmiiboWindow}" />
         <KeyBinding Gesture="Ctrl+B" Command="{Binding OpenBinFile}" />
+        <KeyBinding Gesture="Ctrl+R" Command="{Binding RestartEmulation}" />
         <KeyBinding Gesture="Ctrl+Shift+R" Command="{Binding ReloadRenderDocApi}" />
         <KeyBinding Gesture="Ctrl+Shift+C" Command="{Binding ToggleCapture}" />
     </Window.KeyBindings>

src/Ryujinx/Utilities/StorageProviderExtensions.cs

@@ -1,5 +1,7 @@
 using Avalonia.Platform.Storage;
 using Gommon;
+using Ryujinx.Common.Utilities;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
@@ -11,29 +13,42 @@ namespace Ryujinx.Ava.Utilities
         extension(IStorageProvider storageProvider)
         {
             public Task<Optional<IStorageFolder>> OpenSingleFolderPickerAsync(FolderPickerOpenOptions openOptions = null) =>
-                storageProvider.OpenFolderPickerAsync(FixOpenOptions(openOptions, false))
+                CoreDumpable(() => storageProvider.OpenFolderPickerAsync(FixOpenOptions(openOptions, false)))
                     .Then(folders => folders.FindFirst());
-            
+
             public Task<Optional<IStorageFile>> OpenSingleFilePickerAsync(FilePickerOpenOptions openOptions = null) =>
-                storageProvider.OpenFilePickerAsync(FixOpenOptions(openOptions, false))
+                CoreDumpable(() => storageProvider.OpenFilePickerAsync(FixOpenOptions(openOptions, false)))
                     .Then(files => files.FindFirst());
-            
+
             public Task<Optional<IReadOnlyList<IStorageFolder>>> OpenMultiFolderPickerAsync(FolderPickerOpenOptions openOptions = null) =>
-                storageProvider.OpenFolderPickerAsync(FixOpenOptions(openOptions, true))
+                CoreDumpable(() => storageProvider.OpenFolderPickerAsync(FixOpenOptions(openOptions, true)))
                     .Then(folders => folders.Count > 0 ? Optional.Of(folders) : default);
-            
+
             public Task<Optional<IReadOnlyList<IStorageFile>>> OpenMultiFilePickerAsync(FilePickerOpenOptions openOptions = null) =>
-                storageProvider.OpenFilePickerAsync(FixOpenOptions(openOptions, true))
+                CoreDumpable(() => storageProvider.OpenFilePickerAsync(FixOpenOptions(openOptions, true)))
                     .Then(files => files.Count > 0 ? Optional.Of(files) : default);
         }
 
+        private static async Task<T> CoreDumpable<T>(Func<Task<T>> picker)
+        {
+            OsUtils.SetCoreDumpable(true);
+            try
+            {
+                return await picker();
+            }
+            finally
+            {
+                if (!Program.CoreDumpArg)
+                    OsUtils.SetCoreDumpable(false);
+            }
+        }
+
         private static FilePickerOpenOptions FixOpenOptions(this FilePickerOpenOptions openOptions, bool allowMultiple)
         {
             if (openOptions is null)
                 return new FilePickerOpenOptions { AllowMultiple = allowMultiple };
 
             openOptions.AllowMultiple = allowMultiple;
-
             return openOptions;
         }
 
@@ -43,7 +58,6 @@ namespace Ryujinx.Ava.Utilities
                 return new FolderPickerOpenOptions { AllowMultiple = allowMultiple };
 
             openOptions.AllowMultiple = allowMultiple;
-
             return openOptions;
         }
     }