Migrate to .NET 9 (#198)

src/Ryujinx.HLE/HOS/Services/SurfaceFlinger/ConsumerBase.cs

@@ -1,5 +1,6 @@
 using Ryujinx.HLE.HOS.Services.SurfaceFlinger.Types;
 using System;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
 {
@@ -23,7 +24,7 @@ namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
 
         protected BufferQueueConsumer Consumer;
 
-        protected readonly object Lock = new();
+        protected readonly Lock Lock = new();
 
         private readonly IConsumerListener _listener;
 

src/Ryujinx.HLE/HOS/Services/SurfaceFlinger/HOSBinderDriverServer.cs

@@ -2,6 +2,7 @@ using Ryujinx.Common.Logging;
 using Ryujinx.HLE.HOS.Kernel.Threading;
 using System;
 using System.Collections.Generic;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
 {
@@ -11,7 +12,7 @@ namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
 
         private static int _lastBinderId = 0;
 
-        private static readonly object _lock = new();
+        private static readonly Lock _lock = new();
 
         public static int RegisterBinderObject(IBinder binder)
         {

src/Ryujinx.HLE/HOS/Services/SurfaceFlinger/SurfaceFlinger.cs

@@ -37,7 +37,7 @@ namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
         private int _swapInterval;
         private int _swapIntervalDelay;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         public long RenderLayerId { get; private set; }