Re: [lwip-users] Detect RST when using non blocking read.

[Simon Goldschmidt]

"Karlsson, Johnny" <address@hidden> wrote:

> Ok, that seems much better. But one more question .. You write that
> there is a global variable 'errno', but isn't there one errno variable
> for each socket? If so how do I access it?

You can read that by calling getsockopt() with level SOL_SOCKET and optname 
SO_ERROR, where optval is a pointer to an int. This is standard socket 
behaviour, too!

Simon