Re: pipe chunking vs Windows

From: "korry(dot)douglas" <korry(dot)douglas(at)enterprisedb(dot)com>
To: "Andrew Dunstan" <andrew(at)dunslane(dot)net>
Cc: "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pipe chunking vs Windows
Date: 2007-07-29 21:06:56
Message-ID: 46AD0170.3000206@enterprisedb.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers


>> I have not yet succeeded in turning this behaviour off (_setmode()
>> didn't seem to affect it). If we can't find a way to turn it off, the
>> only solution short of abandoning its use on Windows that I can think
>> of is to translate LF on input to something unlikely like 0x1C and
>> then translate it back when we read it from the pipe.
> Did you _setmode() the pipe, _setmode() stderr, or both? (And did you
> try before or after calling dup2()?).
>
> It looks like the Win CRT implementation of dup2() copues the "mode"
> from the pipe that you've created into stderr.
Sorry, I was looking at the wrong chunk of code in syslogger.c.

Why are you calling _open_osfhandle() with O_TEXT? That looks
suspicious giving the problem that you are seeing with CR -> CR/LF
translation.

-- Korry

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Andrew Dunstan 2007-07-29 21:46:03 Re: pipe chunking vs Windows
Previous Message korry.douglas 2007-07-29 20:56:26 Re: pipe chunking vs Windows