Re: [lwip-users] why the program blocks on tcpip_apimsg when the network is broken

[Kieran Mansley]

On Mon, 2009-02-23 at 10:39 +0800, yangjinwei82 wrote:
> Hi all,
> I'm porting lwIP v1.3.0 on the Set-Top Box. It's application connects
> to a server using TCP and calls the function netconn_send() to send
> data. When the network link is broken, the application sends some data
> to the server all the same,then it's blocked on tcpip_apimsg() which
> is called by netconn_send(). Could you tell me why the application is
> blocked when the network is broken and how to modified it?

I think you should use netconn_write() for TCP data, rather than
netconn_send()

Kieran