From: Maxim Nikulin <manikulin@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: ob-lilypond.el doesn't generate midi files
Date: Sat, 28 Aug 2021 15:20:32 +0700 [thread overview]
Message-ID: <sgcrki$q2m$1@ciao.gmane.io> (raw)
In-Reply-To: <87tujall3t.fsf@alphaville.usersys.redhat.com>
On 28/08/2021 02:54, Nick Dokos wrote:
>
> Also check if `org-babel-lilypond-arrange-mode' is t or nil: behavior
> is very different depending on that.
>
> Final thought: `xdg-open' starts whatever app it is supposed to run
> in the background and returns immediately. That may cause problems with
> babel.
To be precise, xdg-open is merely a wrapper. It does not decide whether
a viewer should be started in background or in foreground, it just
delegates decision concerning particular application and a way to start
it to desktop environment (if any is running). Gnome's gio open and
kde-open5 launch appropriate viewer in background. In my opinion they
are free to do so.
It is a decade-old problem that emacs kills such processes. I disagree
that it is e.g. Gnome bug.
https://lists.gnu.org/archive/html/emacs-devel/2009-07/msg00279.html
ob-lilypond.el suffers from this problem in its original form, and it
should be fixed.
Approach taken in Org mode for compatibility reasons:
https://code.orgmode.org/bzg/org-mode/commit/869b7a21b94ed112f6640c8f2711c2a68b661dea
Emacs mailcap:
http://git.savannah.gnu.org/cgit/emacs.git/tree/lisp/net/mailcap.el#n1180
Pipe process instead of pty one is not a really robust way. The sour
truth is that emacs API does allow reliable "shoot and forget" approach
for external applications. Currently viewers might make Emacs CPU hungry
for no reason (unsure if applications with such behavior exist in real
world however). Eli Zaretskii suspects some incompatibility due to
switching from pty to pipe processes, but he refused to provide details
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=12972#38
next prev parent reply other threads:[~2021-08-28 8:22 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-26 10:37 ob-lilypond.el doesn't generate midi files Michael Maurer
2021-08-26 12:55 ` Jonathan Gregory
2021-08-26 15:55 ` Michael Maurer
2021-08-26 16:04 ` Michael Maurer
2021-08-26 19:50 ` Nick Dokos
2021-08-27 14:53 ` Michael Maurer
2021-08-27 19:54 ` Nick Dokos
2021-08-28 8:20 ` Maxim Nikulin [this message]
2021-08-28 10:27 ` Michael Maurer
2021-08-28 13:03 ` Jonathan Gregory
2021-08-28 16:18 ` Michael Maurer
2021-08-29 11:16 ` Michael Maurer
2021-08-30 17:02 ` Jonathan Gregory
2022-11-01 2:01 ` Ihor Radchenko
2022-11-01 11:22 ` Jonathan Gregory
2022-11-01 11:51 ` Ihor Radchenko
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