From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
---|---|
To: | Michael Paquier <michael(at)paquier(dot)xyz> |
Cc: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Noah Misch <noah(at)leadboat(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Timeout failure in 019_replslot_limit.pl |
Date: | 2021-09-27 08:57:07 |
Message-ID: | CAA4eK1Kgxs_0k7qijhznhNSt5PdjaY7n3Oi9hBubLL6FsqBrxA@mail.gmail.com |
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On Mon, Sep 27, 2021 at 12:13 PM Michael Paquier <michael(at)paquier(dot)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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