public const int SYS_SOCKETPAIR = 8; /* sys_socketpair(2) */
#endregion Fields
#region Methods
public static void HandleGetSockParamCompletion(GetSockParamCompletion c, int retval, int optlen)
{
var current = c.thr;
if (retval >= 0 && (c.p_addrlen.Write(current, optlen) != 0
|| c.payload.Write(current, new Pointer(c.buf.Location), optlen) != 0))
retval = -ErrorCode.EFAULT;
c.Dispose();
current.ReturnFromCompletion(retval);
}
public static void HandleGetSockParamCompletion(GetSockParamCompletion c, int retval, int optlen)
{
var current = c.thr;
if (retval >= 0 && (c.p_addrlen.Write(current, optlen) != 0 ||
c.payload.Write(current, new Pointer(c.buf.Location), optlen) != 0))
{
retval = -ErrorCode.EFAULT;
}
c.Dispose();
current.ReturnFromCompletion(retval);
}
private static int Getsockopt(Thread current, ref Arch.ExceptionRegisters regs, int sockfd, int level, int optname, UserPtr optval, UserPtr p_optlen)
{
var proc = current.Parent;
var file = proc.LookupFile(sockfd);
if (file == null)
{
return(-ErrorCode.EBADF);
}
if (file.inode.kind != GenericINode.INodeKind.SocketINodeKind)
{
return(-ErrorCode.ENOTSOCK);
}
uint optlen = 0;
if (p_optlen.Read(current, out optlen) != 0)
{
return(-ErrorCode.EFAULT);
}
if (optlen > Globals.LinuxIPCBuffer.Length)
{
return(-ErrorCode.EINVAL);
}
var buf = Globals.AllocateAlignedCompletionBuffer((int)optlen);
if (!buf.isValid)
{
return(-ErrorCode.ENOMEM);
}
var completion = new GetSockParamCompletion(current, optval, p_optlen, buf);
Arch.IPCStubs.GetSockoptAsync(proc.helperPid, current.impl._value.thread._value, new Pointer(buf.Location), file.inode.LinuxFd, level, optname, (int)optlen);
Globals.CompletionQueue.Enqueue(completion);
current.SaveState(ref regs);
current.AsyncReturn = true;
return(0);
}
private static int Getsockopt(Thread current, ref Arch.ExceptionRegisters regs, int sockfd, int level, int optname, UserPtr optval, UserPtr p_optlen)
{
var proc = current.Parent;
var file = proc.LookupFile(sockfd);
if (file == null)
return -ErrorCode.EBADF;
if (file.inode.kind != GenericINode.INodeKind.SocketINodeKind)
return -ErrorCode.ENOTSOCK;
uint optlen = 0;
if (p_optlen.Read(current, out optlen) != 0)
return -ErrorCode.EFAULT;
if (optlen > Globals.LinuxIPCBuffer.Length)
return -ErrorCode.EINVAL;
var buf = Globals.AllocateAlignedCompletionBuffer((int)optlen);
if (!buf.isValid)
return -ErrorCode.ENOMEM;
var completion = new GetSockParamCompletion(current, optval, p_optlen, buf);
Arch.IPCStubs.GetSockoptAsync(proc.helperPid, current.impl._value.thread._value, new Pointer(buf.Location), file.inode.LinuxFd, level, optname, (int)optlen);
Globals.CompletionQueue.Enqueue(completion);
current.SaveState(ref regs);
current.AsyncReturn = true;
return 0;
}