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Faster locking on .NET 9.0+ using System.Threading.Lock #12

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Faster locking on .NET 9.0+ using System.Threading.Lock #12

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5 changes: 3 additions & 2 deletions FastCache/FastCache.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ public class FastCache<TKey, TValue> : IEnumerable<KeyValuePair<TKey, TValue>>,
{
private readonly ConcurrentDictionary<TKey, TtlValue> _dict = new ConcurrentDictionary<TKey, TtlValue>();

private readonly Lock _lock = new();
private readonly Timer _cleanUpTimer;
private readonly EvictionCallback _itemEvicted;

Expand Down Expand Up @@ -61,7 +62,7 @@ await _globalStaticLock.WaitAsync()
public void EvictExpired()
{
//Eviction already started by another thread? forget it, lets move on
if (Monitor.TryEnter(_cleanUpTimer)) //use the timer-object for our lock, it's local, private and instance-type, so its ok
if (_lock.TryEnter()) //use the timer-object for our lock, it's local, private and instance-type, so its ok
{
List<TKey> evictedKeys = null; // Batch eviction callbacks
try
Expand All @@ -86,7 +87,7 @@ public void EvictExpired()
}
finally
{
Monitor.Exit(_cleanUpTimer);
_lock.Exit();
}

// Trigger batched eviction callbacks outside the loop to prevent flooding the thread pool
Expand Down
58 changes: 33 additions & 25 deletions FastCache/FastCache.csproj
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@@ -1,30 +1,38 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFrameworks>net6.0;net8.0</TargetFrameworks>
<PackageId>Jitbit.FastCache</PackageId>
<Title>FastCache</Title>
<Authors>Alex from Jitbit</Authors>
<Product>FastCache</Product>
<PackageProjectUrl>https://github.com/jitbit/fastcache</PackageProjectUrl>
<PackageReadmeFile>README.md</PackageReadmeFile>
<RepositoryUrl>https://github.com/jitbit/fastcache</RepositoryUrl>
<PackageLicenseFile>LICENSE</PackageLicenseFile>
<Version>1.1.0</Version>
<PackageTags>cache;caching;MemoryCache</PackageTags>
<Description>Fastest in-memoery cache for .NET</Description>
<GenerateDocumentationFile>True</GenerateDocumentationFile>
</PropertyGroup>
<PropertyGroup>
<TargetFrameworks>net6.0;net8.0;net9.0</TargetFrameworks>
<LangVersion>latest</LangVersion>
<PackageId>Jitbit.FastCache</PackageId>
<Title>FastCache</Title>
<Authors>Alex from Jitbit</Authors>
<Product>FastCache</Product>
<PackageProjectUrl>https://github.com/jitbit/fastcache</PackageProjectUrl>
<PackageReadmeFile>README.md</PackageReadmeFile>
<RepositoryUrl>https://github.com/jitbit/fastcache</RepositoryUrl>
<PackageLicenseFile>LICENSE</PackageLicenseFile>
<Version>1.1.0</Version>
<PackageTags>cache;caching;MemoryCache</PackageTags>
<Description>Fastest in-memoery cache for .NET</Description>
<GenerateDocumentationFile>True</GenerateDocumentationFile>
</PropertyGroup>

<ItemGroup>
<None Include="..\LICENSE">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
<None Include="..\README.md">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
</ItemGroup>
<ItemGroup>
<None Include="..\LICENSE">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
<None Include="..\README.md">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
</ItemGroup>

<ItemGroup>
<PackageReference Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net9.0'))" Include="Backport.System.Threading.Lock" Version="3.1.4">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>analyzers</IncludeAssets>
</PackageReference>
</ItemGroup>

</Project>