ryujinx/Ryujinx.HLE/HOS/Kernel/Memory/KSlabHeap.cs

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using System.Collections.Generic;
namespace Ryujinx.HLE.HOS.Kernel.Memory
{
class KSlabHeap
{
private LinkedList<ulong> _items;
public KSlabHeap(ulong pa, ulong itemSize, ulong size)
{
_items = new LinkedList<ulong>();
int itemsCount = (int)(size / itemSize);
for (int index = 0; index < itemsCount; index++)
{
_items.AddLast(pa);
pa += itemSize;
}
}
public bool TryGetItem(out ulong pa)
{
lock (_items)
{
if (_items.First != null)
{
pa = _items.First.Value;
_items.RemoveFirst();
return true;
}
}
pa = 0;
return false;
}
public void Free(ulong pa)
{
lock (_items)
{
_items.AddFirst(pa);
}
}
}
}