Re: [lwip-users] question about netconn_write

[Kieran Mansley]

On Sat, 2008-12-13 at 21:59 +0800, yueyue papa wrote:
> Thanks
>  
> Based on your suggtion,
>  
> I tried to add a lwip_tcpflush(int s)
>  
> int lwip_tcpflush(int s)
> {
>   struct lwip_socket *sock;
>   sock = get_socket(s);
>   if (!sock)
>     return -1;
>   return tcp_output(sock->conn.pcb.tcp);
> }
>  
> Will it force data flush ?

Yes, but you've completely broken the threading protection: the sockets
code can't access the internal functions of lwIP directly, they must use
a message to invoke an action in the tcpip thread.

Kieran