ioctlsocket

WSAIoctl

INT WSAAPI WSAIoctl	(	IN SOCKET	s,
		IN DWORD	dwIoControlCode,
		IN LPVOID	lpvInBuffer,
		IN DWORD	cbInBuffer,
		OUT LPVOID	lpvOutBuffer,
		IN DWORD	cbOutBuffer,
		OUT LPDWORD	lpcbBytesReturned,
		IN LPWSAOVERLAPPED	lpOverlapped,
		IN LPWSAOVERLAPPED_COMPLETION_ROUTINE	lpCompletionRoutine
	)

Definition at line 47 of file ioctl.c.

{
    PWSSOCKET Socket;
    INT Status;
    INT ErrorCode;
    LPWSATHREADID ThreadId;
    DPRINT("WSAIoctl: %lx, %lx\n", s, dwIoControlCode);

    /* Check for WSAStartup */
    if ((ErrorCode = WsQuickPrologTid(&ThreadId)) == ERROR_SUCCESS)
    {
        /* Get the Socket Context */
        if ((Socket = WsSockGetSocket(s)))
        {
            /* Make the call */
            Status = Socket->Provider->Service.lpWSPIoctl(s,
                                                  dwIoControlCode,
                                                  lpvInBuffer,
                                                  cbInBuffer,
                                                  lpvOutBuffer,
                                                  cbOutBuffer,
                                                  lpcbBytesReturned,
                                                  lpOverlapped,
                                                  lpCompletionRoutine,
                                                  ThreadId,
                                                  &ErrorCode);

            /* Deference the Socket Context */
            WsSockDereference(Socket);

            /* Return Provider Value */
            if (Status == ERROR_SUCCESS) return Status;
        }
        else
        {
            /* No Socket Context Found */
            ErrorCode = WSAENOTSOCK;
        }
    }

    /* Return with an Error */
    SetLastError(ErrorCode);
    return SOCKET_ERROR;
}

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