| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Strange failure on mamba |
| Date: | 2022-11-30 06:06:47 |
| Message-ID: | 20221130060647.nyeunt6zmfflf4jt@awork3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2022-11-29 20:44:34 -0500, Tom Lane wrote:
> It's also strange that we're apparently running with signals enabled
> whereever it is that rtld_bind is getting called from. Could it be that
> sigaction is failing to install the requested signal mask, so that one
> postmaster signal handler is interrupting another?
This made me look at pqsignal_pm() / pqsignal() and realize that we wouldn't
even notice if it failed, because they just return SIG_ERR and callers don't
check. I don't think that's a likely to be related, but theoretically it could
lead to some odd situations.
Greetings,
Andres Freund
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