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bsd: Fix Poll writting in input buffer (#3630)
This is a very old oversight on our Poll implementation. This worked so far reliably because games and homebrews pass the same buffer as input and output.
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parent
923089a298
commit
9bad71afbf
1 changed files with 6 additions and 5 deletions
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@ -219,9 +219,10 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
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int fdsCount = context.RequestData.ReadInt32();
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int timeout = context.RequestData.ReadInt32();
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(ulong bufferPosition, ulong bufferSize) = context.Request.GetBufferType0x21();
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(ulong inputBufferPosition, ulong inputBufferSize) = context.Request.GetBufferType0x21();
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(ulong outputBufferPosition, ulong outputBufferSize) = context.Request.GetBufferType0x22();
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if (timeout < -1 || fdsCount < 0 || (ulong)(fdsCount * 8) > bufferSize)
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if (timeout < -1 || fdsCount < 0 || (ulong)(fdsCount * 8) > inputBufferSize)
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{
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return WriteBsdResult(context, -1, LinuxError.EINVAL);
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}
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@ -230,7 +231,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
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for (int i = 0; i < fdsCount; i++)
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{
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PollEventData pollEventData = context.Memory.Read<PollEventData>(bufferPosition + (ulong)(i * Unsafe.SizeOf<PollEventData>()));
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PollEventData pollEventData = context.Memory.Read<PollEventData>(inputBufferPosition + (ulong)(i * Unsafe.SizeOf<PollEventData>()));
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IFileDescriptor fileDescriptor = _context.RetrieveFileDescriptor(pollEventData.SocketFd);
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@ -277,7 +278,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
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{
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bool IsUnexpectedLinuxError(LinuxError error)
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{
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return errno != LinuxError.SUCCESS && errno != LinuxError.ETIMEDOUT;
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return error != LinuxError.SUCCESS && error != LinuxError.ETIMEDOUT;
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}
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// Hybrid approach
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@ -332,7 +333,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
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// TODO: Spanify
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for (int i = 0; i < fdsCount; i++)
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{
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context.Memory.Write(bufferPosition + (ulong)(i * Unsafe.SizeOf<PollEventData>()), events[i].Data);
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context.Memory.Write(outputBufferPosition + (ulong)(i * Unsafe.SizeOf<PollEventData>()), events[i].Data);
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}
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return WriteBsdResult(context, updateCount, errno);
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