> On Jun 25, 2017, at 6:16 AM, Dado Colussi <dado.colu...@gmail.com> wrote:
> 
> When select() indicates that the socket is ready for writing, check the 
> status of the asynchronous connect() using getsockopt() with SO_ERROR. If 
> there's nothing accepting the connection, then getsockopt() should give you 
> ECONNREFUSED.

getsockopt() isn't returning ECONNREFUSED... 

After the connect() returns EINPROGRESS, and after the select() indicates 1 
descriptor ready for write, getsockopt() returns status=0, errno=0:

             status = getsockopt(sockfd,SOL_SOCKET,SO_ERROR,&error,&len);
 
So I'm still forced to reissue the connect() to see if I can connect.
-Carl

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