From: Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Fun with async processes
Date: Wed, 02 Feb 2022 00:10:06 +0100 [thread overview]
Message-ID: <87pmo6fak1.fsf@zoho.eu> (raw)
In-Reply-To: 87o83q7lzw.fsf@elite.giraud
Manuel Giraud wrote:
> (defvar count-processes 0)
> (defvar mtx (make-mutex))
Better, `defvar' then `setq' so you can reset them.
> (defun global-sentinel ()
> (with-mutex mtx
> (decf count-processes))
> (when (zerop count-processes)
> (message "Both have finished.")))
>
> (defun myrun ()
> (interactive)
> (setq count-processes (length (list (chatty) (thinker)))))
>
>
> But I'd like to avoid the global defvar if possible.
You can with lexical/static binding and a closure, see
https://dataswamp.org/~incal/emacs-init/w3m/w3m-survivor.el
--
underground experts united
https://dataswamp.org/~incal
prev parent reply other threads:[~2022-02-01 23:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-31 15:44 Fun with async processes Manuel Giraud
2022-01-31 15:56 ` tomas
2022-01-31 17:11 ` Emanuel Berg via Users list for the GNU Emacs text editor
2022-01-31 17:49 ` tomas
2022-01-31 18:11 ` Emanuel Berg via Users list for the GNU Emacs text editor
2022-02-01 8:54 ` Manuel Giraud
2022-02-01 10:50 ` tomas
2022-02-01 13:30 ` Manuel Giraud
2022-02-01 13:43 ` tomas
2022-02-01 13:54 ` Manuel Giraud
2022-02-01 14:31 ` tomas
2022-02-01 23:10 ` Emanuel Berg via Users list for the GNU Emacs text editor [this message]
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