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Bsd: Implement Select (#4017)

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* bsd: Add gdkchan's Select implementation

Co-authored-by: TSRBerry <20988865+tsrberry@users.noreply.github.com>

* bsd: Fix Select() causing a crash with an ArgumentException

.NET Sockets have to be used for the Select() call

* bsd: Make Select more generic

* bsd: Adjust namespaces and remove unused imports

* bsd: Fix NullReferenceException in Select

Co-authored-by: gdkchan <gab.dark.100@gmail.com>
This commit is contained in:
TSRBerry 2022-12-12 14:59:31 +01:00 • committed by GitHub
parent 403e67d983
commit ba5c0cf5d8
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28 changed files with 263 additions and 43 deletions
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38
Ryujinx.HLE/HOS/Services/Sockets/Bsd/BsdContext.cs
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@ -1,5 +1,8 @@
using System.Collections.Concurrent;
using Ryujinx.HLE.HOS.Services.Sockets.Bsd.Types;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Numerics;
namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
{
@ -41,6 +44,27 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
return null;
}
public List<IFileDescriptor> RetrieveFileDescriptorsFromMask(ReadOnlySpan<byte> mask)
{
List<IFileDescriptor> fds = new();
for (int i = 0; i < mask.Length; i++)
{
byte current = mask[i];
while (current != 0)
{
int bit = BitOperations.TrailingZeroCount(current);
current &= (byte)~(1 << bit);
int fd = i * 8 + bit;
fds.Add(RetrieveFileDescriptor(fd));
}
}
return fds;
}
public int RegisterFileDescriptor(IFileDescriptor file)
{
lock (_lock)
@ -61,6 +85,16 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
}
}
public void BuildMask(List<IFileDescriptor> fds, Span<byte> mask)
{
foreach (IFileDescriptor descriptor in fds)
{
int fd = _fds.IndexOf(descriptor);
mask[fd >> 3] |= (byte)(1 << (fd & 7));
}
}
public int DuplicateFileDescriptor(int fd)
{
IFileDescriptor oldFile = RetrieveFileDescriptor(fd);
@ -147,4 +181,4 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
return processContext;
}
}
}
}