Re: [lwip-users] will lwip support asyncselect just like WSAAsyncSelect

[Kieran Mansley]

On 2 Apr 2011, at 06:29, chenyintao wrote:

> Hi!
>   I want to use lwip 1.3.2 to  support multiple sessions in a embedded system.
>   But I foud it is so inefficient to use the api select when there are 64 
> sockets as clients.For example,a modbus client socket  can only do the 
> receive data after all the 64 sockets finish sending.   
>  will anyone can help me to solve  the problem.

No, I don't think we have anything like WSAAsyncSelect.

>  ps:in my case,64 clients sockets will  send data at the same time and the 
> sever may not respond at once,so for a socket,it will receive the packet from 
> the server after a really long time

I'm not sure I fully understand your application.  Can you give an example of 
how you're calling select.  I didn't think lwIP supported that many sockets in 
the select set for example.

Kieran