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476ebf5b03
Lock the stream fix a multithreading error when a XCI game try to access to the RomFs.
54 lines
1.4 KiB
C#
54 lines
1.4 KiB
C#
using Ryujinx.HLE.HOS.Ipc;
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using System.Collections.Generic;
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using System.IO;
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namespace Ryujinx.HLE.HOS.Services.FspSrv
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{
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class IStorage : IpcService
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{
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private Dictionary<int, ServiceProcessRequest> m_Commands;
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public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
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private Stream BaseStream;
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public IStorage(Stream BaseStream)
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{
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m_Commands = new Dictionary<int, ServiceProcessRequest>()
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{
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{ 0, Read }
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};
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this.BaseStream = BaseStream;
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}
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public long Read(ServiceCtx Context)
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{
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long Offset = Context.RequestData.ReadInt64();
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long Size = Context.RequestData.ReadInt64();
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if (Context.Request.ReceiveBuff.Count > 0)
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{
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IpcBuffDesc BuffDesc = Context.Request.ReceiveBuff[0];
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//Use smaller length to avoid overflows.
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if (Size > BuffDesc.Size)
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{
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Size = BuffDesc.Size;
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}
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byte[] Data = new byte[Size];
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lock (BaseStream)
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{
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BaseStream.Seek(Offset, SeekOrigin.Begin);
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BaseStream.Read(Data, 0, Data.Length);
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}
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Context.Memory.WriteBytes(BuffDesc.Position, Data);
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}
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return 0;
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}
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}
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}
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