Switched to AsyncKeyedLock

framework/src/Volo.Abp.DistributedLocking.Abstractions/Volo.Abp.DistributedLocking.Abstractions.csproj

@@ -16,6 +16,7 @@
 
     <ItemGroup>
         <ProjectReference Include="..\Volo.Abp.Core\Volo.Abp.Core.csproj" />
+        <PackageReference Include="AsyncKeyedLock" Version="6.2.0" />
         <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="$(MicrosoftPackageVersion)" />
     </ItemGroup>
 

framework/src/Volo.Abp.DistributedLocking.Abstractions/Volo/Abp/DistributedLocking/LocalAbpDistributedLock.cs

@@ -1,14 +1,18 @@
 using System;
-using System.Collections.Concurrent;
 using System.Threading;
 using System.Threading.Tasks;
+using AsyncKeyedLock;
 using Volo.Abp.DependencyInjection;
 
 namespace Volo.Abp.DistributedLocking;
 
 public class LocalAbpDistributedLock : IAbpDistributedLock, ISingletonDependency
 {
-    private readonly ConcurrentDictionary<string, SemaphoreSlim> _localSyncObjects = new();
+    private readonly AsyncKeyedLocker<string> _localSyncObjects = new(o =>
+    {
+        o.PoolSize = 20;
+        o.PoolInitialFill = 1;
+    });
     protected IDistributedLockKeyNormalizer DistributedLockKeyNormalizer { get; }
 
     public LocalAbpDistributedLock(IDistributedLockKeyNormalizer distributedLockKeyNormalizer)
@@ -23,14 +27,18 @@ public class LocalAbpDistributedLock : IAbpDistributedLock, ISingletonDependency
     {
         Check.NotNullOrWhiteSpace(name, nameof(name));
         var key = DistributedLockKeyNormalizer.NormalizeKey(name);
-        
-        var semaphore = _localSyncObjects.GetOrAdd(key, _ => new SemaphoreSlim(1, 1));
 
-        if (!await semaphore.WaitAsync(timeout, cancellationToken))
+        if (timeout == default)
         {
-            return null;
+            var releaser = await _localSyncObjects.LockAsync(key, cancellationToken);
+            return new LocalAbpDistributedLockHandle(releaser);
         }
 
-        return new LocalAbpDistributedLockHandle(semaphore);
+        var timeoutReleaser = await _localSyncObjects.LockAsync(key, timeout, cancellationToken);
+        if (!timeoutReleaser.EnteredSemaphore)
+        {
+            return null;
+        }
+        return new LocalAbpDistributedLockHandle(timeoutReleaser);
     }
 }

framework/src/Volo.Abp.DistributedLocking.Abstractions/Volo/Abp/DistributedLocking/LocalAbpDistributedLockHandle.cs

@@ -1,20 +1,20 @@
-using System.Threading;
+using System;
 using System.Threading.Tasks;
 
 namespace Volo.Abp.DistributedLocking;
 
 public class LocalAbpDistributedLockHandle : IAbpDistributedLockHandle
 {
-    private readonly SemaphoreSlim _semaphore;
+    private readonly IDisposable _disposable;
 
-    public LocalAbpDistributedLockHandle(SemaphoreSlim semaphore)
+    public LocalAbpDistributedLockHandle(IDisposable disposable)
     {
-        _semaphore = semaphore;
+        _disposable = disposable;
     }
 
     public ValueTask DisposeAsync()
     {
-        _semaphore.Release();
+        _disposable.Dispose();
         return default;
     }
 }