src/Ryujinx.Audio/Input/AudioInputManager.cs

@@ -19,7 +19,7 @@ namespace Ryujinx.Audio.Input
         /// <summary>
         /// Lock used for session allocation.
         /// </summary>
-        private readonly object _sessionLock = new();
+        private readonly Lock _sessionLock = new();
 
         /// <summary>
         /// The session ids allocation table.

src/Ryujinx.Audio/Output/AudioOutputManager.cs

@@ -19,7 +19,7 @@ namespace Ryujinx.Audio.Output
         /// <summary>
         /// Lock used for session allocation.
         /// </summary>
-        private readonly object _sessionLock = new();
+        private readonly Lock _sessionLock = new();
 
         /// <summary>
         /// The session ids allocation table.

src/Ryujinx.Audio/Renderer/Server/AudioRendererManager.cs

@@ -19,12 +19,12 @@ namespace Ryujinx.Audio.Renderer.Server
         /// <summary>
         /// Lock used for session allocation.
         /// </summary>
-        private readonly object _sessionLock = new();
+        private readonly Lock _sessionLock = new();
 
         /// <summary>
         /// Lock used to control the <see cref="AudioProcessor"/> running state.
         /// </summary>
-        private readonly object _audioProcessorLock = new();
+        private readonly Lock _audioProcessorLock = new();
 
         /// <summary>
         /// The session ids allocation table.

src/Ryujinx.Graphics.GAL/Multithreading/ThreadedRenderer.cs

@@ -58,7 +58,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
         public uint ProgramCount { get; set; } = 0;
 
         private Action _interruptAction;
-        private readonly object _interruptLock = new();
+        private readonly Lock _interruptLock = new();
 
         public event EventHandler<ScreenCaptureImageInfo> ScreenCaptured;
 

src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardRendererBase.cs

@@ -6,6 +6,7 @@ using System.Diagnostics;
 using System.IO;
 using System.Reflection;
 using System.Runtime.InteropServices;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
 {
@@ -21,7 +22,7 @@ namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
         const string CancelText = "Cancel";
         const string ControllerToggleText = "Toggle input";
 
-        private readonly object _bufferLock = new();
+        private readonly Lock _bufferLock = new();
 
         private RenderingSurfaceInfo _surfaceInfo = null;
         private SKImageInfo _imageInfo;

src/Ryujinx.HLE/HOS/Kernel/Process/KProcess.cs

@@ -40,8 +40,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
 
         public ProcessState State { get; private set; }
 
-        private readonly object _processLock = new();
+        private readonly Lock _processLock = new();
-        private readonly object _threadingLock = new();
+        private readonly Lock _threadingLock = new();
 
         public KAddressArbiter AddressArbiter { get; private set; }
 

src/Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs

@@ -112,7 +112,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
 
         public bool WaitingInArbitration { get; set; }
 
-        private readonly object _activityOperationLock = new();
+        private readonly Lock _activityOperationLock = new();
 
         public KThread(KernelContext context) : base(context)
         {

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

@@ -4,6 +4,7 @@ using Ryujinx.HLE.HOS.Kernel.Threading;
 using Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.SystemAppletProxy.Types;
 using Ryujinx.Horizon.Common;
 using System;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.SystemAppletProxy
 {
@@ -17,7 +18,7 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.Sys
         private KEvent _accumulatedSuspendedTickChangedEvent;
         private int _accumulatedSuspendedTickChangedEventHandle;
 
-        private readonly object _fatalSectionLock = new();
+        private readonly Lock _fatalSectionLock = new();
         private int _fatalSectionCount;
 
         // TODO: Set this when the game goes in suspension (go back to home menu ect), we currently don't support that so we can keep it set to 0.

src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/LdnMitm/Proxy/LdnProxyUdpServer.cs

@@ -18,7 +18,7 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator.LdnMitm.Proxy
         private byte[] _buffer;
         private int _bufferEnd;
 
-        private readonly object _scanLock = new();
+        private readonly Lock _scanLock = new();
 
         private Dictionary<ulong, NetworkInfo> _scanResultsLast = new();
         private Dictionary<ulong, NetworkInfo> _scanResults = new();

src/Ryujinx.HLE/HOS/Services/Nv/NvDrvServices/NvHostCtrl/Types/NvHostSyncPt.cs

@@ -17,7 +17,7 @@ namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostCtrl
 
         private readonly Switch _device;
 
-        private readonly object _syncpointAllocatorLock = new();
+        private readonly Lock _syncpointAllocatorLock = new();
 
         public NvHostSyncpt(Switch device)
         {

src/Ryujinx.HLE/PerformanceStatistics.cs

@@ -1,4 +1,5 @@
 using Ryujinx.Common;
+using System.Threading;
 using System.Timers;
 
 namespace Ryujinx.HLE
@@ -20,12 +21,12 @@ namespace Ryujinx.HLE
         private readonly long[] _framesRendered;
         private readonly double[] _percentTime;
 
-        private readonly object[] _frameLock;
+        private readonly Lock[] _frameLock = new[] { new Lock() };
-        private readonly object[] _percentLock;
+        private readonly Lock[] _percentLock = new[] { new Lock() };
 
         private readonly double _ticksToSeconds;
 
-        private readonly Timer _resetTimer;
+        private readonly System.Timers.Timer _resetTimer;
 
         public PerformanceStatistics()
         {
@@ -41,10 +42,7 @@ namespace Ryujinx.HLE
             _framesRendered = new long[1];
             _percentTime = new double[1];
 
-            _frameLock = new[] { new object() };
+            _resetTimer = new(750);
-            _percentLock = new[] { new object() };
-
-            _resetTimer = new Timer(750);
 
             _resetTimer.Elapsed += ResetTimerElapsed;
             _resetTimer.AutoReset = true;

src/Ryujinx.Horizon/Sdk/Sf/Cmif/ServerDomainManager.cs

@@ -1,6 +1,7 @@
 using Ryujinx.Horizon.Common;
 using System;
 using System.Collections.Generic;
+using System.Threading;
 
 namespace Ryujinx.Horizon.Sdk.Sf.Cmif
 {
@@ -209,14 +210,13 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
         }
 
         private readonly EntryManager _entryManager;
-        private readonly object _entryOwnerLock;
+        private readonly Lock _entryOwnerLock = new();
         private readonly HashSet<Domain> _domains;
         private readonly int _maxDomains;
 
         public ServerDomainManager(int entryCount, int maxDomains)
         {
             _entryManager = new EntryManager(entryCount);
-            _entryOwnerLock = new object();
             _domains = new HashSet<Domain>();
             _maxDomains = maxDomains;
         }

src/Ryujinx.Horizon/Sdk/Sf/Hipc/ServerManager.cs

@@ -4,6 +4,7 @@ using Ryujinx.Horizon.Sdk.Sm;
 using System;
 using System.Collections.Generic;
 using System.Numerics;
+using System.Threading;
 
 namespace Ryujinx.Horizon.Sdk.Sf.Hipc
 {
@@ -17,7 +18,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
         private readonly ulong _pointerBuffersBaseAddress;
         private readonly ulong _savedMessagesBaseAddress;
 
-        private readonly object _resourceLock;
+        private readonly Lock _resourceLock = new();
         private readonly ulong[] _sessionAllocationBitmap;
         private readonly HashSet<ServerSession> _sessions;
         private readonly HashSet<Server> _servers;
@@ -42,7 +43,6 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
                 }
             }
 
-            _resourceLock = new object();
             _sessionAllocationBitmap = new ulong[(maxSessions + 63) / 64];
             _sessions = new HashSet<ServerSession>();
             _servers = new HashSet<Server>();

src/Ryujinx.Horizon/Sdk/Sf/Hipc/ServerManagerBase.cs

@@ -4,6 +4,7 @@ using Ryujinx.Horizon.Sdk.Sf.Cmif;
 using Ryujinx.Horizon.Sdk.Sm;
 using System;
 using System.Linq;
+using System.Threading;
 
 namespace Ryujinx.Horizon.Sdk.Sf.Hipc
 {
@@ -16,8 +17,8 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
         private readonly MultiWait _multiWait;
         private readonly MultiWait _waitList;
 
-        private readonly object _multiWaitSelectionLock;
+        private readonly Lock _multiWaitSelectionLock = new();
-        private readonly object _waitListLock;
+        private readonly Lock _waitListLock = new();
 
         private readonly Event _requestStopEvent;
         private readonly Event _notifyEvent;
@@ -39,9 +40,6 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
             _multiWait = new MultiWait();
             _waitList = new MultiWait();
 
-            _multiWaitSelectionLock = new object();
-            _waitListLock = new object();
-
             _requestStopEvent = new Event(EventClearMode.ManualClear);
             _notifyEvent = new Event(EventClearMode.ManualClear);
 

src/Ryujinx.Input.SDL2/SDL2Gamepad.cs

@@ -4,6 +4,7 @@ using Ryujinx.Common.Logging;
 using System;
 using System.Collections.Generic;
 using System.Numerics;
+using System.Threading;
 using static SDL2.SDL;
 
 namespace Ryujinx.Input.SDL2
@@ -58,7 +59,7 @@ namespace Ryujinx.Input.SDL2
             SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_INVALID,
         };
 
-        private readonly object _userMappingLock = new();
+        private readonly Lock _userMappingLock = new();
 
         private readonly List<ButtonMappingEntry> _buttonsUserMapping;
 

src/Ryujinx.Input.SDL2/SDL2Keyboard.cs

@@ -4,6 +4,7 @@ using System;
 using System.Collections.Generic;
 using System.Numerics;
 using System.Runtime.CompilerServices;
+using System.Threading;
 using static SDL2.SDL;
 
 using ConfigKey = Ryujinx.Common.Configuration.Hid.Key;
@@ -17,7 +18,7 @@ namespace Ryujinx.Input.SDL2
             public bool IsValid => To is not GamepadButtonInputId.Unbound && From is not Key.Unbound;
         }
 
-        private readonly object _userMappingLock = new();
+        private readonly Lock _userMappingLock = new();
 
 #pragma warning disable IDE0052 // Remove unread private member
         private readonly SDL2KeyboardDriver _driver;

src/Ryujinx.Memory/SparseMemoryBlock.cs

@@ -14,7 +14,7 @@ namespace Ryujinx.Memory
 
         private readonly PageInitDelegate _pageInit;
 
-        private readonly object _lock = new object();
+        private readonly Lock _lock = new();
         private readonly ulong _pageSize;
         private readonly MemoryBlock _reservedBlock;
         private readonly List<MemoryBlock> _mappedBlocks;

src/Ryujinx.Memory/Tracking/RegionHandle.cs

@@ -51,7 +51,7 @@ namespace Ryujinx.Memory.Tracking
 
         private event Action OnDirty;
 
-        private readonly object _preActionLock = new();
+        private readonly Lock _preActionLock = new();
         private RegionSignal _preAction; // Action to perform before a read or write. This will block the memory access.
         private PreciseRegionSignal _preciseAction; // Action to perform on a precise read or write.
         private readonly List<VirtualRegion> _regions;

src/Ryujinx/Input/AvaloniaKeyboard.cs

@@ -4,6 +4,7 @@ using Ryujinx.Input;
 using System;
 using System.Collections.Generic;
 using System.Numerics;
+using System.Threading;
 using ConfigKey = Ryujinx.Common.Configuration.Hid.Key;
 using Key = Ryujinx.Input.Key;
 
@@ -15,7 +16,7 @@ namespace Ryujinx.Ava.Input
         private readonly AvaloniaKeyboardDriver _driver;
         private StandardKeyboardInputConfig _configuration;
 
-        private readonly object _userMappingLock = new();
+        private readonly Lock _userMappingLock = new();
 
         public string Id { get; }
         public string Name { get; }