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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Michael Paquier <michael@paquier.xyz>
Cc: Julien Rouhaud <rjuju123@gmail.com>
Cc: Mats Kindahl <mats@timescale.com>
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: Use of signal-unsafe functions from signal handlers
Date: Tue, 24 May 2022 21:25:14 -0400
Message-ID: <1773723.1653441914@sss.pgh.pa.us> (raw)
In-Reply-To: <Yo18KyPNP0G03n10@paquier.xyz>
References: <CA+14425wJh3m2XA4c8-stRKGQYLwKqFiScqZm7BBt1JxU2iU-g@mail.gmail.com>
	<20220524101418.7pp65powa362vzln@jrouhaud>
	<CA+14426Zpdi6=jr9Z+C_tzS36pVa_+BbCHSeriqd=sLw4X6_iw@mail.gmail.com>
	<20220524123739.6glyxyx4owqpqjnr@jrouhaud>
	<1531973.1653401755@sss.pgh.pa.us>
	<Yo18KyPNP0G03n10@paquier.xyz>

Michael Paquier <michael@paquier.xyz> writes:
> Hmm.  Shouldn't we worry about FloatExceptionHandler() that gets used
> on SIGFPE?

SIGFPE is generated synchronously, so that one's not really a problem,
I think: it can only interrupt code that is doing trap-prone arithmetic.
Anyway that code's been like that for ages and nobody has reported an
issue there.

			regards, tom lane





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