Re: Implement support for TCP_KEEPCNT, TCP_KEEPIDLE, TCP_KEEPINTVL

Oliver Jowett <oliver@opencloud.com> writes:
> Merlin Moncure wrote:
>> More
>> significantly, if you change a tcp parameter from the default, the
>> server rejects connections without a relevant error message :(.

> Could you clarify what you mean by "rejects"? Does it accept them and
> then close the connection, or does it fail to even accept the TCP
> connection?

> If the connection gets accepted, I'd expect *something* in the
> postmaster logs -- can you check?

I suspect Merlin's complaint has to do with the fact that the *user*
doesn't see any error message.  The way you've coded this, setsockopt
failure during startup is treated as a communications failure and so
there's no attempt to report the problem to the client.

            regards, tom lane