In the lock statements for .NET 10 target now uses a instances of the System.Threading.Lock class

Author: Taritsyn

src/MsieJavaScriptEngine/ActiveScript/ActiveScriptJsEngineBase.cs

@@ -107,7 +107,7 @@ internal abstract partial class ActiveScriptJsEngineBase : InnerJsEngineBase
 		/// <summary>
 		/// Synchronizer of script dispatcher initialization
 		/// </summary>
-		private static readonly object _dispatcherSynchronizer = new object();
+		private static readonly Lock _dispatcherSynchronizer = new Lock();
 
 
 		/// <summary>
@@ -210,7 +210,7 @@ private static void InitScriptDispatcher(int maxStackSize)
 		/// <param name="isSupported">Flag indicating whether this JS engine is supported</param>
 		/// <param name="supportSynchronizer">Support synchronizer</param>
 		/// <returns>Result of check (<c>true</c> - supports; <c>false</c> - does not support)</returns>
-		protected static bool IsSupported(string clsid, ref bool? isSupported, ref object supportSynchronizer)
+		protected static bool IsSupported(string clsid, ref bool? isSupported, ref Lock supportSynchronizer)
 		{
 			if (isSupported.HasValue)
 			{

src/MsieJavaScriptEngine/ActiveScript/ChakraActiveScriptJsEngine.cs

@@ -18,7 +18,7 @@ internal sealed partial class ChakraActiveScriptJsEngine : ActiveScriptJsEngineB
 		/// <summary>
 		/// Support synchronizer
 		/// </summary>
-		private static object _supportSynchronizer = new object();
+		private static Lock _supportSynchronizer = new Lock();
 
 		/// <summary>
 		/// Mapping of error numbers and types

src/MsieJavaScriptEngine/ActiveScript/ClassicActiveScriptJsEngine.cs

@@ -20,7 +20,7 @@ internal sealed partial class ClassicActiveScriptJsEngine : ActiveScriptJsEngine
 		/// <summary>
 		/// Support synchronizer
 		/// </summary>
-		private static object _supportSynchronizer = new object();
+		private static Lock _supportSynchronizer = new Lock();
 
 		/// <summary>
 		/// Mapping of error numbers and types

src/MsieJavaScriptEngine/GlobalUsings.cs

@@ -0,0 +1,5 @@
+#if NET10_0_OR_GREATER
+global using Lock = System.Threading.Lock;
+#else
+global using Lock = System.Object;
+#endif

src/MsieJavaScriptEngine/JsRt/Edge/ChakraEdgeJsRtJsEngine.cs

@@ -51,7 +51,7 @@ internal sealed class ChakraEdgeJsRtJsEngine : ChakraJsRtJsEngineBase
 		/// <summary>
 		/// Support synchronizer
 		/// </summary>
-		private static readonly object _supportSynchronizer = new object();
+		private static readonly Lock _supportSynchronizer = new Lock();
 
 
 		/// <summary>

src/MsieJavaScriptEngine/JsRt/Ie/ChakraIeJsRtJsEngine.cs

@@ -59,7 +59,7 @@ internal sealed class ChakraIeJsRtJsEngine : ChakraJsRtJsEngineBase
 		/// <summary>
 		/// Support synchronizer
 		/// </summary>
-		private static readonly object _supportSynchronizer = new object();
+		private static readonly Lock _supportSynchronizer = new Lock();
 
 
 		/// <summary>

src/MsieJavaScriptEngine/JsRt/TypeMapper.cs

@@ -43,7 +43,7 @@ internal abstract class TypeMapper<TValue, TFunction> : IDisposable
 		/// <summary>
 		/// Synchronizer of embedded object storage's initialization
 		/// </summary>
-		private readonly object _embeddedObjectStorageInitializationSynchronizer = new object();
+		private readonly Lock _embeddedObjectStorageInitializationSynchronizer = new Lock();
 
 		/// <summary>
 		/// Flag indicating whether the embedded object storage is initialized
@@ -63,7 +63,7 @@ internal abstract class TypeMapper<TValue, TFunction> : IDisposable
 		/// <summary>
 		/// Synchronizer of embedded type storage's initialization
 		/// </summary>
-		private readonly object _embeddedTypeStorageInitializationSynchronizer = new object();
+		private readonly Lock _embeddedTypeStorageInitializationSynchronizer = new Lock();
 
 		/// <summary>
 		/// Flag indicating whether the embedded type storage is initialized

src/MsieJavaScriptEngine/MsieJavaScriptEngine.csproj

@@ -26,7 +26,8 @@
     <PackageTags>JavaScript;ECMAScript;MSIE;IE;Edge;Chakra</PackageTags>
     <PackageReleaseNotes>1. Optimized a memory usage in the `ReflectionHelpers.GetBestFitMethod` method;
 2. Added support for .NET Standard 2.1 and .NET 10;
-3. Performed a migration to the modern C# null/not-null checks.</PackageReleaseNotes>
+3. Performed a migration to the modern C# null/not-null checks;
+4. In the `lock` statements for .NET 10 target now uses a instances of the `System.Threading.Lock` class.</PackageReleaseNotes>
     <NeutralLanguage>en-US</NeutralLanguage>
     <PackageOutputPath>../../nuget</PackageOutputPath>
     <GeneratePackageOnBuild Condition=" '$(Configuration)' == 'Release' ">true</GeneratePackageOnBuild>

src/MsieJavaScriptEngine/MsieJsEngine.cs

@@ -33,7 +33,7 @@ public sealed class MsieJsEngine : IDisposable
 		/// <summary>
 		/// Synchronizer of JS engines creation
 		/// </summary>
-		private static readonly object _creationSynchronizer = new object();
+		private static readonly Lock _creationSynchronizer = new Lock();
 
 		/// <summary>
 		/// Unique document name manager

src/MsieJavaScriptEngine/ScriptDispatcher.cs

@@ -36,7 +36,7 @@ internal sealed class ScriptDispatcher : IDisposable
 		/// <summary>
 		/// Synchronizer of script task queue
 		/// </summary>
-		private readonly object _taskQueueSynchronizer = new object();
+		private readonly Lock _taskQueueSynchronizer = new Lock();
 
 		/// <summary>
 		/// Flag that object is destroyed