Use global usings for locks

src/ZeroLog.Benchmarks/Tools/SerilogTestSink.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Threading;
 using Serilog.Core;
 using Serilog.Events;
@@ -9,7 +8,7 @@ namespace ZeroLog.Benchmarks.Tools;
 public class SerilogTestSink : ILogEventSink
 {
     private readonly bool _captureLoggedMessages;
-    private readonly object _lock = new();
+    private readonly Lock _lock = new();
     private int _messageCount;
     private ManualResetEventSlim _signal;
     private int _messageCountTarget;

src/ZeroLog.Impl.Full/BufferSegmentProvider.cs

@@ -4,12 +4,7 @@ namespace ZeroLog;
 
 internal unsafe class BufferSegmentProvider
 {
-#if NET9_0_OR_GREATER
-    private readonly System.Threading.Lock _lock = new();
-#else
-    private readonly object _lock = new();
-#endif
-
+    private readonly Lock _lock = new();
     private readonly int _segmentCount;
     private readonly int _segmentSize;
 

src/ZeroLog.Impl.Full/GlobalUsings.cs

@@ -0,0 +1,5 @@
+#if NET9_0_OR_GREATER
+global using Lock = System.Threading.Lock;
+#else
+global using Lock = System.Object;
+#endif

src/ZeroLog.Impl.Full/Runner.cs

@@ -310,11 +310,7 @@ public override void Flush()
 
 internal sealed class SyncRunner(ZeroLogConfiguration config) : Runner(config)
 {
-#if NET9_0_OR_GREATER
     private readonly Lock _lock = new();
-#else
-    private readonly object _lock = new();
-#endif
 
     public override void Submit(LogMessage message)
     {

src/ZeroLog.Impl.Full/UnmanagedCache.cs

@@ -31,12 +31,7 @@ internal delegate bool FormatterDelegate(
         ZeroLogConfiguration config
     );
 
-#if NET9_0_OR_GREATER
-    private static readonly System.Threading.Lock _lock = new();
-#else
-    private static readonly object _lock = new();
-#endif
-
+    private static readonly Lock _lock = new();
     private static readonly Dictionary<IntPtr, FormatterDelegate> _unmanagedStructs = new();
     private static readonly MethodInfo _registerMethod = typeof(UnmanagedCache).GetMethod(nameof(Register), Type.EmptyTypes)!;