Re: Timeout failure in 019_replslot_limit.pl - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: Timeout failure in 019_replslot_limit.pl
Date
Msg-id CAA4eK1Kgxs_0k7qijhznhNSt5PdjaY7n3Oi9hBubLL6FsqBrxA@mail.gmail.com
Whole thread Raw
In response to Re: Timeout failure in 019_replslot_limit.pl  (Michael Paquier <michael@paquier.xyz>)
List pgsql-hackers
On Mon, Sep 27, 2021 at 12:13 PM Michael Paquier <michael@paquier.xyz> wrote:
>
> On Mon, Sep 27, 2021 at 11:53:07AM +0530, Amit Kapila wrote:
> > So, it seems on your machine it has passed  the following condition in
> > secure_write:
> > if (n < 0 && !port->noblock && (errno == EWOULDBLOCK || errno == EAGAIN))
>
> Yep.
>
> > If so, this indicates write failure which seems odd to me and probably
> > something machine-specific or maybe some different settings in your
> > build or machine. BTW, if SSL or GSS is enabled that might have caused
> > it in some way. I think the best way is to debug the secure_write
> > during this occurrence.
>
> Yeah, but we don't use any of them in the context of this test, so
> this is something on a simple send(), no?  Hmm.  That would not be the
> first issue we see with macos these days with interrupted syscalls...
> And actually in this stack I can see that errno gets set to EINTR.
>

If errno is EINTR, then how would the code pass the above if check as
it has a condition ((errno == EWOULDBLOCK || errno == EAGAIN))?


-- 
With Regards,
Amit Kapila.



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