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From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: How to detect two emacs process in Elisp code?
Date: Thu, 03 Sep 2020 16:13:52 +0300	[thread overview]
Message-ID: <83lfhruhnz.fsf@gnu.org> (raw)
In-Reply-To: <87ft9s283t.fsf@gmail.com> (message from stardiviner on Fri, 17 Jul 2020 22:54:50 +0800)

> From: stardiviner <numbchild@gmail.com>
> Date: Fri, 17 Jul 2020 22:54:50 +0800
> 
> (let ((emacs-processes
>        (length (mapcar
>                 'string-to-number
>                 (seq-filter
>                  (lambda (str)
>                    (not (string-empty-p str)))
>                  (split-string
>                   ;; (shell-command-to-string "ps -C emacs -o pid=")
>                   (shell-command-to-string "ps -C emacs -o pid=")
>                   "\n"))))))
>   (when (<= emacs-processes 1)
>     (message "init-emacs-session loading")
>     (require 'init-emacs-session)))

Why do you need to use an external command ('ps')?  What's wrong with
using list-system-processes and process-attributes instead?



  parent reply	other threads:[~2020-09-03 13:13 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-17 14:54 How to detect two emacs process in Elisp code? stardiviner
2020-09-03  2:41 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-09-03  2:45   ` [SOLVED] " numbchild
2020-09-03  2:47     ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-09-03  2:50       ` numbchild
2020-09-03 13:13 ` Eli Zaretskii [this message]
2020-09-03 17:39   ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-09-04  3:57     ` stardiviner
2020-09-04  4:28       ` Emanuel Berg via Users list for the GNU Emacs text editor
  -- strict thread matches above, loose matches on Subject: below --
2020-07-18  5:55 numbchild
2020-07-18 12:25 ` Noam Postavsky

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