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Merged PlatformHelper into ConcurrentHashset

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This commit is contained in:
RogueException
2016-10-08 18:32:45 -03:00
parent 8b24b01718
commit c1effbc971
1 changed files with 22 additions and 27 deletions
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49
src/Discord.Net.Core/Utils/ConcurrentHashSet.cs
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@@ -7,13 +7,32 @@ using System.Threading;
namespace Discord
{
//Based on https://github.com/dotnet/corefx/blob/master/src/System.Collections.Concurrent/src/System/Collections/Concurrent/ConcurrentDictionary.cs
//Based on https://github.com/dotnet/corefx/blob/d0dc5fc099946adc1035b34a8b1f6042eddb0c75/src/System.Threading.Tasks.Parallel/src/System/Threading/PlatformHelper.cs
//Copyright (c) .NET Foundation and Contributors
public static class ConcurrentHashSet
{
public static int DefaultConcurrencyLevel => PlatformHelper.ProcessorCount;
private const int PROCESSOR_COUNT_REFRESH_INTERVAL_MS = 30000;
private static volatile int s_processorCount;
private static volatile int s_lastProcessorCountRefreshTicks;
public static int DefaultConcurrencyLevel
{
get
{
int now = Environment.TickCount;
if (s_processorCount == 0 || (now - s_lastProcessorCountRefreshTicks) >= PROCESSOR_COUNT_REFRESH_INTERVAL_MS)
{
s_processorCount = Environment.ProcessorCount;
s_lastProcessorCountRefreshTicks = now;
}
return s_processorCount;
}
}
}
//Based on https://github.com/dotnet/corefx/blob/master/src/System.Collections.Concurrent/src/System/Collections/Concurrent/ConcurrentDictionary.cs
//Copyright (c) .NET Foundation and Contributors
[DebuggerDisplay("Count = {Count}")]
internal class ConcurrentHashSet<T> : IReadOnlyCollection<T>
{
@@ -57,7 +76,7 @@ namespace Discord
bucketNo = (hashcode & 0x7fffffff) % bucketCount;
lockNo = bucketNo % lockCount;
}
private static int DefaultConcurrencyLevel => PlatformHelper.ProcessorCount;
private static int DefaultConcurrencyLevel => ConcurrentHashSet.DefaultConcurrencyLevel;
private volatile Tables _tables;
private readonly IEqualityComparer<T> _comparer;
@@ -453,28 +472,4 @@ namespace Discord
Monitor.Exit(_tables._locks[i]);
}
}
//https://github.com/dotnet/corefx/blob/d0dc5fc099946adc1035b34a8b1f6042eddb0c75/src/System.Threading.Tasks.Parallel/src/System/Threading/PlatformHelper.cs
//Copyright (c) .NET Foundation and Contributors
internal static class PlatformHelper
{
private const int PROCESSOR_COUNT_REFRESH_INTERVAL_MS = 30000;
private static volatile int s_processorCount;
private static volatile int s_lastProcessorCountRefreshTicks;
internal static int ProcessorCount
{
get
{
int now = Environment.TickCount;
if (s_processorCount == 0 || (now - s_lastProcessorCountRefreshTicks) >= PROCESSOR_COUNT_REFRESH_INTERVAL_MS)
{
s_processorCount = Environment.ProcessorCount;
s_lastProcessorCountRefreshTicks = now;
}
return s_processorCount;
}
}
}
}