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Optimize PlaceholderManager.UnreserveRange
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parent
93dd6d525a
commit
65f2a82b97
2 changed files with 13 additions and 11 deletions
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@ -9,6 +9,8 @@ namespace Ryujinx.Memory.WindowsShared
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/// <typeparam name="T">Type of the value stored on the node</typeparam>
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class MappingTree<T> : IntrusiveRedBlackTree<RangeNode<T>>
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{
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private const int ArrayGrowthSize = 16;
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public int GetNodes(ulong start, ulong end, ref RangeNode<T>[] overlaps, int overlapCount = 0)
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{
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RangeNode<T> node = GetNode(new RangeNode<T>(start, start + 1UL, default));
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@ -17,7 +19,7 @@ namespace Ryujinx.Memory.WindowsShared
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{
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if (overlaps.Length <= overlapCount)
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{
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Array.Resize(ref overlaps, overlapCount + 1);
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Array.Resize(ref overlaps, overlapCount + ArrayGrowthSize);
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}
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overlaps[overlapCount++] = node;
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@ -86,26 +86,26 @@ namespace Ryujinx.Memory.WindowsShared
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{
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ulong endAddress = address + size;
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var overlaps = new RangeNode<ulong>[InitialOverlapsSize];
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int count;
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lock (_mappings)
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{
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count = _mappings.GetNodes(address, endAddress, ref overlaps);
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RangeNode<ulong> node = _mappings.GetNode(new RangeNode<ulong>(address, address + 1UL, default));
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for (int index = 0; index < count; index++)
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for (; node != null; node = node.Successor)
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{
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var overlap = overlaps[index];
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if (IsMapped(overlap.Value))
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if (IsMapped(node.Value))
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{
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if (!WindowsApi.UnmapViewOfFile2(WindowsApi.CurrentProcessHandle, (IntPtr)overlap.Start, 2))
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if (!WindowsApi.UnmapViewOfFile2(WindowsApi.CurrentProcessHandle, (IntPtr)node.Start, 2))
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{
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throw new WindowsApiException("UnmapViewOfFile2");
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}
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}
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_mappings.Remove(overlap);
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_mappings.Remove(node);
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if (node.End >= endAddress)
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{
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break;
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}
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}
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}
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