Re: [Qemu-devel][PATCH] Tap and VLAN socket support for win32

[Fabrice Bellard <fabrice@bellard.org>]

Kazu wrote:
> Thursday, February 02, 2006 8:10 AM Fabrice Bellard wrote:
> 
>> Hi,
>>
>> I merged your patches and I made important changes to simplify them. I
>> did not do any tests so tell me if you see problems.
>>
> 
> -net socket,connect doesn't work. On Windows host, connect returns with err
> = WSAEWOULDBLOCK and second time err = WSAEINVAL. I think changing the 
> place
> of EWOULDBLOCK would be good. On Linux host, EWOULDBLOCK is the same as
> EAGAIN but a patch works on both Linux and Windows.

Unfortunately on Linux the correct return value we are expecting is 
EINPROGRESS. EAGAIN means that the 'connect' was not initiated so it is 
necessary to redo it.

> 
> For -net socket,mcast, bind have to be done by sin_addr.s_addr = 
> INADDR_ANY.
> It seems that it works on Linux host.

It works on Linux but it is not correct because it prevents from 
listening to several multicast addresses at the same time. If doing the 
same on Windows is not possible I agree to make a special case.

Fabrice.