From: Eli Zaretskii <eliz@gnu.org>
To: Werner Koch <wk@gnupg.org>
Cc: ueno@gnu.org, emacs-devel@gnu.org
Subject: Re: pipe
Date: Sat, 14 Mar 2015 22:34:37 +0200 [thread overview]
Message-ID: <83pp8b1foi.fsf@gnu.org> (raw)
In-Reply-To: <87y4mzbcqm.fsf@vigenere.g10code.de>
> From: Werner Koch <wk@gnupg.org>
> Cc: ueno@gnu.org, emacs-devel@gnu.org
> Date: Sat, 14 Mar 2015 20:28:01 +0100
>
> On Sat, 14 Mar 2015 14:42, eliz@gnu.org said:
>
> > But that means it would be impossible to invoke gpg from a shell that
> > can redirect handles beyond the first 3, like some decent port of
> > Bash, is that correct? Or is that where the wrapper comes into play,
>
> I don't know about a native Bash port to Windows. Using Cygwin with
> native Windows programs is problematic has you probably know.
I was thinking about MSYS Bash. But any port of Bash should do, as
redirecting file handles for a sub-process is trivial.
> > Again, I was talking about file descriptors; the Win32 API knows
> > nothing about those. MS runtime passes the translation table between
> > handles and file descriptors through undocumented fields of
>
> I never looked at the MS runtime this since I did the first
> cross-compiler toolkit ~20 year ago. I have not a found away to inherit
> only specific handles without the wrapper trick. How do they do that or
> is the problem of inherited handles in the child ignored?
That black magic is described here:
http://www.catch22.net/tuts/undocumented-createprocess
next prev parent reply other threads:[~2015-03-14 20:34 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-13 9:01 pipe Daiki Ueno
2015-03-13 10:59 ` pipe Eli Zaretskii
2015-03-13 12:29 ` pipe Daiki Ueno
2015-03-13 20:08 ` pipe Werner Koch
2015-03-14 8:54 ` pipe Eli Zaretskii
2015-03-14 11:51 ` pipe Werner Koch
2015-03-14 13:42 ` pipe Eli Zaretskii
2015-03-14 19:28 ` pipe Werner Koch
2015-03-14 20:34 ` Eli Zaretskii [this message]
2015-03-17 7:22 ` pipe Daiki Ueno
2015-03-17 8:47 ` pipe Eli Zaretskii
2015-03-13 12:45 ` pipe Stefan Monnier
2015-03-13 13:10 ` pipe Daiki Ueno
2015-03-16 5:42 ` [PATCH] Generalize start-process with keyword args Daiki Ueno
2015-03-16 13:34 ` Stefan Monnier
2015-03-17 2:16 ` Daiki Ueno
2015-03-17 3:13 ` Stefan Monnier
2015-03-17 3:39 ` Daiki Ueno
2015-03-17 15:35 ` Stefan Monnier
2015-03-17 15:42 ` Eli Zaretskii
2015-03-17 18:08 ` Stefan Monnier
2015-03-17 18:19 ` Eli Zaretskii
2015-03-17 21:36 ` Stefan Monnier
2015-03-18 3:47 ` Eli Zaretskii
2015-03-18 6:17 ` Daiki Ueno
2015-03-18 7:37 ` [PATCH] Add facility to collect stderr of async subprocess Daiki Ueno
2015-03-18 16:25 ` Eli Zaretskii
2015-03-31 7:27 ` Daiki Ueno
2015-03-31 12:55 ` Eli Zaretskii
2015-04-08 0:21 ` Daiki Ueno
2015-04-08 0:47 ` Paul Eggert
2015-04-08 2:55 ` Daiki Ueno
2015-04-08 6:17 ` Eli Zaretskii
2015-04-08 6:20 ` Eli Zaretskii
2015-04-08 7:05 ` Daiki Ueno
2015-04-10 23:11 ` Daiki Ueno
2015-04-18 10:55 ` Ted Zlatanov
2016-10-05 4:33 ` Tino Calancha
2016-10-05 6:54 ` Eli Zaretskii
2016-10-05 7:10 ` Tino Calancha
2016-10-05 7:37 ` Eli Zaretskii
2016-10-05 16:22 ` John Wiegley
2016-10-06 3:13 ` Tino Calancha
2016-10-06 6:54 ` Eli Zaretskii
2016-10-06 7:25 ` Tino Calancha
2016-10-06 7:55 ` Eli Zaretskii
2016-10-06 8:37 ` Tino Calancha
2016-10-06 8:53 ` Eli Zaretskii
2016-10-06 9:13 ` Tino Calancha
2016-10-06 9:25 ` Michael Albinus
2016-10-06 9:45 ` Tino Calancha
2016-10-06 9:22 ` Michael Albinus
2016-10-06 7:15 ` Philipp Stephani
2016-10-06 7:42 ` Eli Zaretskii
2016-10-05 8:46 ` Alain Schneble
2016-10-05 9:15 ` Tino Calancha
2016-10-05 11:20 ` Michael Albinus
2016-10-05 17:24 ` Eli Zaretskii
2016-10-06 7:27 ` Michael Albinus
2015-04-08 5:56 ` Eli Zaretskii
2015-03-18 13:03 ` [PATCH] Generalize start-process with keyword args Stefan Monnier
2015-03-18 16:34 ` Eli Zaretskii
2015-03-19 7:36 ` Daiki Ueno
2015-03-19 13:32 ` Stefan Monnier
2015-03-23 7:36 ` Daiki Ueno
2015-03-18 16:23 ` Eli Zaretskii
2015-03-18 18:57 ` Stefan Monnier
2015-03-18 19:13 ` Eli Zaretskii
2015-03-17 7:50 ` Eli Zaretskii
2015-03-16 19:12 ` Andy Moreton
2015-03-16 19:40 ` Eli Zaretskii
2015-03-16 22:27 ` Andy Moreton
2015-03-17 0:39 ` Stefan Monnier
2015-03-17 7:15 ` Eli Zaretskii
2015-03-17 20:55 ` Andy Moreton
2015-03-17 21:15 ` Eli Zaretskii
2015-03-17 22:04 ` Andy Moreton
2015-03-19 16:34 ` Eli Zaretskii
2015-03-19 23:22 ` Andy Moreton
2015-03-20 14:03 ` Stefan Monnier
2015-03-17 21:42 ` Stefan Monnier
2015-03-13 14:54 ` pipe Eli Zaretskii
2015-03-13 15:28 ` pipe Daniel Colascione
2015-03-13 15:40 ` pipe Eli Zaretskii
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