| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com> |
| Cc: | Ian Barwick <ian(dot)barwick(at)2ndquadrant(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>, "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Peter Geoghegan <pg(at)bowt(dot)ie>, Bruce Momjian <bruce(at)momjian(dot)us>, David Rowley <dgrowleyml(at)gmail(dot)com> |
| Subject: | Re: Improving connection scalability: GetSnapshotData() |
| Date: | 2020-10-01 20:59:54 |
| Message-ID: | 20201001205954.ajm423ogwcvzc4ly@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2020-10-01 16:44:03 -0400, Andrew Dunstan wrote:
> > I assume it's not, as the comments says
> > # Note: on Windows, IPC::Run seems to convert \r\n to \n in program output
> > # if we're using native Perl, but not if we're using MSys Perl. So do it
> > # by hand in the latter case, here and elsewhere.
> > that IPC::Run converts things, but that native windows perl uses
> > https://perldoc.perl.org/perlrun#PERLIO
> > a PERLIO that includes :crlf, whereas msys probably doesn't?
> >
> > Any chance you could run something like
> > perl -mPerlIO -e 'print(PerlIO::get_layers(STDIN), "\n");'
> > on both native and msys perl?
>
> sys (jacana): stdio
>
> native: unixcrlf
Interesting. That suggest we could get around needing the if msys
branches in several places by setting PERLIO to unixcrlf somewhere
centrally when using msys.
Greetings,
Andres Freund
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