rjx-mirror/Ryujinx/OsHle/Utilities/IdPool.cs

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2018-02-04 23:08:20 +00:00
using System.Collections.Generic;
namespace Ryujinx.OsHle.Utilities
{
class IdPool
{
private HashSet<int> Ids;
private int CurrId;
private int MinId;
private int MaxId;
public IdPool(int Min, int Max)
{
Ids = new HashSet<int>();
CurrId = Min;
MinId = Min;
MaxId = Max;
}
public IdPool() : this(1, int.MaxValue) { }
public int GenerateId()
{
lock (Ids)
{
for (int Cnt = MinId; Cnt < MaxId; Cnt++)
{
if (Ids.Add(CurrId))
{
return CurrId;
}
if (CurrId++ == MaxId)
{
CurrId = MinId;
}
}
return -1;
}
}
public bool DeleteId(int Id)
{
lock (Ids)
{
return Ids.Remove(Id);
}
}
}
}