Re: [lwip-users] tcp_poll(), event handlers and possible misinformation

[address@hidden]

Bill Auerbach wrote:
> Maybe this is legacy now.  If tcp_write cannot send data, it will be called
> by the stack when data can be sent.
>
> Or empirically, I don't use tcp_poll (it gave me problems) and I don't have
> memory to send 500k at once. tcp_sent is simply called until I am able to
> send all of my data.
>
>   
That's true if you only have one connection. However, if you have more 
than one, chances are that all the memory is occupied by another 
connection thus tcp_sent wouldn't get called for the first connection.

Simon