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Private API for RefreshMemoryLimit #83707

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Merged
cshung merged 5 commits into from
Apr 19, 2023
Merged

Private API for RefreshMemoryLimit #83707

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Trim trailing space
cshung Apr 14, 2023
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RefreshMemoryLimit
cshung Mar 20, 2023
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cshung Apr 10, 2023
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cshung Apr 15, 2023
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cshung Apr 19, 2023
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1 change: 1 addition & 0 deletions src/coreclr/System.Private.CoreLib/src/ILLink/ILLink.Descriptors.Shared.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
<!-- Methods are used to register and unregister frozen segments. They are private and experimental. -->
<method name="_RegisterFrozenSegment" />
<method name="_UnregisterFrozenSegment" />
<method name="_RefreshMemoryLimit" />
</type>
<!-- Accessed via native code. -->
<type fullname="System.Runtime.InteropServices.ComTypes.IEnumerable" />
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39 changes: 39 additions & 0 deletions src/coreclr/System.Private.CoreLib/src/System/GC.CoreCLR.cs
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Expand Up @@ -789,5 +789,44 @@ internal enum GCConfigurationType

[LibraryImport(RuntimeHelpers.QCall, EntryPoint = "GCInterface_EnumerateConfigurationValues")]
internal static unsafe partial void _EnumerateConfigurationValues(void* configurationDictionary, delegate* unmanaged<void*, void*, void*, GCConfigurationType, long, void> callback);

private static int _RefreshMemoryLimit()
{
ulong heapHardLimit = (AppContext.GetData("GCHeapHardLimit") as ulong?) ?? ulong.MaxValue;
ulong heapHardLimitPercent = (AppContext.GetData("GCHeapHardLimitPercent") as ulong?) ?? ulong.MaxValue;
ulong heapHardLimitSOH = (AppContext.GetData("GCHeapHardLimitSOH") as ulong?) ?? ulong.MaxValue;
ulong heapHardLimitLOH = (AppContext.GetData("GCHeapHardLimitLOH") as ulong?) ?? ulong.MaxValue;
ulong heapHardLimitPOH = (AppContext.GetData("GCHeapHardLimitPOH") as ulong?) ?? ulong.MaxValue;
ulong heapHardLimitSOHPercent = (AppContext.GetData("GCHeapHardLimitSOHPercent") as ulong?) ?? ulong.MaxValue;
ulong heapHardLimitLOHPercent = (AppContext.GetData("GCHeapHardLimitLOHPercent") as ulong?) ?? ulong.MaxValue;
ulong heapHardLimitPOHPercent = (AppContext.GetData("GCHeapHardLimitPOHPercent") as ulong?) ?? ulong.MaxValue;
GCHeapHardLimitInfo heapHardLimitInfo = new GCHeapHardLimitInfo
{
HeapHardLimit = heapHardLimit,
HeapHardLimitPercent = heapHardLimitPercent,
HeapHardLimitSOH = heapHardLimitSOH,
HeapHardLimitLOH = heapHardLimitLOH,
HeapHardLimitPOH = heapHardLimitPOH,
HeapHardLimitSOHPercent = heapHardLimitSOHPercent,
HeapHardLimitLOHPercent = heapHardLimitLOHPercent,
HeapHardLimitPOHPercent = heapHardLimitPOHPercent,
};
return RefreshMemoryLimit(heapHardLimitInfo);
}

[LibraryImport(RuntimeHelpers.QCall, EntryPoint = "GCInterface_RefreshMemoryLimit")]
internal static partial int RefreshMemoryLimit(GCHeapHardLimitInfo heapHardLimitInfo);

internal struct GCHeapHardLimitInfo
{
internal ulong HeapHardLimit;
internal ulong HeapHardLimitPercent;
internal ulong HeapHardLimitSOH;
internal ulong HeapHardLimitLOH;
internal ulong HeapHardLimitPOH;
internal ulong HeapHardLimitSOHPercent;
internal ulong HeapHardLimitLOHPercent;
internal ulong HeapHardLimitPOHPercent;
}
}
}
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