Make use of System.Threading.Lock

Directory.Build.props

@@ -9,5 +9,5 @@
         <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
   </ItemGroup>
-
+  
 </Project>

Directory.Packages.props

@@ -17,6 +17,7 @@
     <PackageVersion Include="AWSSDK.SecurityToken" Version="3.7.400.30" />
     <PackageVersion Include="Azure.Messaging.ServiceBus" Version="7.18.1" />
     <PackageVersion Include="Azure.Storage.Blobs" Version="12.22.1" />
+    <PackageVersion Include="Backport.System.Threading.Lock" Version="2.0.5" />
     <PackageVersion Include="Blazorise" Version="1.6.1" />
     <PackageVersion Include="Blazorise.Components" Version="1.6.1" />
     <PackageVersion Include="Blazorise.DataGrid" Version="1.6.1" />

framework/Directory.Build.props

@@ -0,0 +1,14 @@
+<Project>
+  <Import Project="$([MSBuild]::GetPathOfFileAbove('Directory.Build.props', '$(MSBuildThisFileDirectory)../'))" />
+
+  <PropertyGroup>
+    <LangVersion>preview</LangVersion>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Using Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net9.0'))" Alias="Lock" Include="System.Threading.Lock" />
+    <Using Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net9.0'))" Alias="Lock" Include="Backport.System.Threading.Lock" />
+    <Using Alias="LockFactory" Include="Backport.System.Threading.LockFactory" />
+  </ItemGroup>  
+
+</Project>

framework/src/Volo.Abp.AspNetCore.Components.Web/Volo/Abp/AspNetCore/Components/Web/ExceptionHandling/AbpExceptionHandlingLoggerProvider.cs

@@ -6,7 +6,7 @@ namespace Volo.Abp.AspNetCore.Components.Web.ExceptionHandling;
 public class AbpExceptionHandlingLoggerProvider : ILoggerProvider
 {
     private AbpExceptionHandlingLogger? _logger;
-    private static readonly object SyncObj = new object();
+    private static readonly Lock SyncObj = new();
     private readonly IServiceCollection _serviceCollection;
 
     public AbpExceptionHandlingLoggerProvider(IServiceCollection serviceCollection)

framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/ApplicationConfigurations/ObjectExtending/CachedObjectExtensionsDtoService.cs

@@ -13,7 +13,7 @@ public class CachedObjectExtensionsDtoService : ICachedObjectExtensionsDtoServic
 {
     protected IExtensionPropertyAttributeDtoFactory ExtensionPropertyAttributeDtoFactory { get; }
     protected volatile ObjectExtensionsDto? CachedValue;
-    protected readonly object SyncLock = new object();
+    protected readonly Lock SyncLock = new();
 
     public CachedObjectExtensionsDtoService(IExtensionPropertyAttributeDtoFactory extensionPropertyAttributeDtoFactory)
     {

framework/src/Volo.Abp.Core/Volo.Abp.Core.csproj

@@ -16,6 +16,7 @@
     <RootNamespace />
   </PropertyGroup>
   <ItemGroup>
+    <PackageReference Include="Backport.System.Threading.Lock" />
     <PackageReference Include="System.Collections.Immutable" />
     <PackageReference Include="Microsoft.Extensions.Localization" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" />

framework/src/Volo.Abp.Localization/Volo/Abp/Localization/VirtualFiles/VirtualFileLocalizationResourceContributorBase.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
-using JetBrains.Annotations;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.FileProviders;
 using Microsoft.Extensions.Localization;
@@ -19,7 +18,7 @@ public abstract class VirtualFileLocalizationResourceContributorBase : ILocaliza
     private IVirtualFileProvider _virtualFileProvider = default!;
     private Dictionary<string, ILocalizationDictionary>? _dictionaries;
     private bool _subscribedForChanges;
-    private readonly object _syncObj = new object();
+    private readonly Lock _syncObj = LockFactory.Create();
     private LocalizationResourceBase _resource = default!;
 
     protected VirtualFileLocalizationResourceContributorBase(string virtualPath)

framework/src/Volo.Abp.MongoDB/Volo/Abp/MongoDB/MongoModelBuilder.cs

@@ -17,7 +17,7 @@ public class MongoModelBuilder : IMongoModelBuilder
 {
     private readonly Dictionary<Type, object> _entityModelBuilders;
 
-    private static readonly object SyncObj = new object();
+    private static readonly Lock SyncObj = LockFactory.Create();
 
     public MongoModelBuilder()
     {

framework/src/Volo.Abp.ObjectExtending/Volo.Abp.ObjectExtending.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <Import Project="..\..\..\configureawait.props" />
   <Import Project="..\..\..\common.props" />

framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/Modularity/ModuleExtensionConfigurationHelper.cs

@@ -6,7 +6,7 @@ namespace Volo.Abp.ObjectExtending.Modularity;
 
 public static class ModuleExtensionConfigurationHelper
 {
-    private static object SyncLock = new object();
+    private static Lock SyncLock = LockFactory.Create();
 
     public static void ApplyEntityConfigurationToEntity(
         string moduleName,

framework/src/Volo.Abp.RabbitMQ/Volo/Abp/RabbitMQ/RabbitMqMessageConsumer.cs

@@ -35,7 +35,7 @@ public class RabbitMqMessageConsumer : IRabbitMqMessageConsumer, ITransientDepen
 
     protected ConcurrentQueue<QueueBindCommand> QueueBindCommands { get; }
 
-    protected object ChannelSendSyncLock { get; } = new object();
+    protected Lock ChannelSendSyncLock { get; } = LockFactory.Create();
 
     public RabbitMqMessageConsumer(
         IConnectionPool connectionPool,