Re: stopgap fix for signal handling during restore_command

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>
To: Andres Freund <andres@anarazel.de>
Cc: Nathan Bossart <nathandbossart@gmail.com>, Thomas Munro <thomas.munro@gmail.com>, Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, Fujii Masao <fujii@postgresql.org>, Postgres hackers <pgsql-hackers@lists.postgresql.org>
Date: 2023-10-11T04:02:14Z
Lists: pgsql-hackers
On Tue, Oct 10, 2023 at 08:39:29PM -0700, Andres Freund wrote:
> We shouldn't call proc_exit() in a signal handler. We perhaps have a few
> remaining calls left, but we should (and I think in some cases are) working on
> removing those.

Hmm.  I don't recall anything remaining, even after a quick check.
FWIW, I was under the impression that Thomas' work done in
0da096d78e1e4 has cleaned up the last bits of that.
--
Michael

Commits

  1. windows: msvc: Define STDIN/OUT/ERR_FILENO.

  2. Avoid calling proc_exit() in processes forked by system().

  3. Move extra code out of the Pre/PostRestoreCommand() section.