public int Read(ByteBufferRef buffer, int offset, int count, ref uint pos)
{
switch (kind)
{
case INodeKind.ArchINodeKind:
return(ArchINode.ReadImpl(buffer, offset, count, ref pos));
}
return(-ErrorCode.EINVAL);
}
internal int FStat64(Thread current, UserPtr buf)
{
switch (kind)
{
case INodeKind.ArchINodeKind:
return(ArchINode.ArchFStat64(current, buf));
case INodeKind.SecureFSINodeKind:
return(SFSINode.SFSFStat64(current, buf));
}
return(-ErrorCode.EINVAL);
}
public int Truncate(Thread current, int length)
{
switch (kind)
{
case INodeKind.ArchINodeKind:
return(ArchINode.ftruncate(current, length));
case INodeKind.SecureFSINodeKind:
return(SFSINode.ftruncate(length));
}
return(-ErrorCode.EINVAL);
}
internal int Read(Thread current, ref Arch.ExceptionRegisters regs, UserPtr userBuf, int len, uint pos, File file)
{
switch (kind)
{
case INodeKind.ArchINodeKind:
case INodeKind.SocketINodeKind:
return(ArchINode.ArchRead(current, ref regs, userBuf, len, pos, file));
case INodeKind.SecureFSINodeKind:
return(SFSINode.SFSRead(current, ref regs, userBuf, len, pos, file));
}
return(-ErrorCode.EINVAL);
}
private int Close()
{
switch (kind)
{
case INodeKind.ArchINodeKind:
case INodeKind.AshmemINodeKind:
case INodeKind.BinderSharedINodeKind:
case INodeKind.ScreenBufferINodeKind:
case INodeKind.SocketINodeKind:
ArchINode.Close();
return(0);
case INodeKind.SecureFSINodeKind:
return(SFSINode.SFSClose());
default:
return(0);
}
}
/*
* Write a segment buffer.
*
* The buffer itself is passed as a reference, because some inode might take the ownership
* of the buffer and put it as a part of its completion. In this case the buf is set to empty
*/
internal int Write(Thread current, ref Arch.ExceptionRegisters regs, ref ByteBufferRef buf, int len, uint pos, File file)
{
switch (kind)
{
case INodeKind.ConsoleINodeKind:
{
uint dummy = 0;
return(ConsoleINode.WriteImpl(current, buf, len, ref dummy));
}
case INodeKind.ArchINodeKind:
case INodeKind.SocketINodeKind:
return(ArchINode.ArchWrite(current, ref regs, ref buf, len, pos, file));
case INodeKind.SecureFSINodeKind:
return(SFSINode.SFSWrite(current, ref regs, buf, len, pos, file));
}
return(-ErrorCode.EINVAL);
}