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From: Nathan Bossart <nathandbossart@gmail.com>
To: Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers@postgresql.org
Cc: noah@leadboat.com
Subject: Re: common signal handler protection
Date: Wed, 7 Feb 2024 11:15:54 -0600
Message-ID: <20240207171554.GA153000@nathanxps13> (raw)
In-Reply-To: <20240207170650.GA80671@nathanxps13>
References: <20231121212008.GA3742740@nathanxps13>
	<20240207023941.GA67817@nathanxps13>
	<20240207024853.pg55gxzmqxi3nrmr@awork3.anarazel.de>
	<20240207170650.GA80671@nathanxps13>

Sorry for the noise.

On Wed, Feb 07, 2024 at 11:06:50AM -0600, Nathan Bossart wrote:
> I'd like to get this committed (to HEAD only) in the next few weeks.  TBH
> I'm not wild about the weird caveats (e.g., race conditions when pqsignal()
> is called within a signal handler), but I also think it is unlikely that
> they cause any issues in practice.  Please do let me know if you have any
> concerns about this.

Perhaps we should add a file global bool that is only set during
wrapper_handler().  Then we could Assert() or elog(ERROR, ...) if
pqsignal() is called with it set.

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com





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  To: pgsql-hackers@postgresql.org
  Cc: nathandbossart@gmail.com, andres@anarazel.de, noah@leadboat.com
  Subject: Re: common signal handler protection
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