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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: scratch/list-threads 833a2d4 2/9: Make lisp/thread.el the new home for thread-related Lisp functions
Date: Mon, 03 Sep 2018 09:14:13 -0400	[thread overview]
Message-ID: <jwvva7mu3q2.fsf-monnier+gmane.emacs.devel@gnu.org> (raw)
In-Reply-To: 83d0ty3788.fsf@gnu.org

>> What's wrong with (fboundp 'make-thread)?
> That (AFAIK) it returns non-nil even when threads are not available?

What is the reason for this?

Is it because we want to lazily try to load the relevant shared
library, so we don't know before the first call whether that shared
library is actually available?

> I could use then (configured-feature-p 'threads) in order to know
> whether Emacs has been configured --with-threads, explicitly or implicitly.

What if Emacs was configured --with-threads but at run-time the shared
lib is not available?
Maybe instead of

    (fboundp 'make-thread)

the better choice is

    (progn (ignore-errors (make-thread #'ignore)) t)

?


        Stefan




  reply	other threads:[~2018-09-03 13:14 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20180827155307.16925.11045@vcs0.savannah.gnu.org>
     [not found] ` <20180827155309.D5C18209C1@vcs0.savannah.gnu.org>
2018-08-29 13:51   ` scratch/list-threads 833a2d4 2/9: Make lisp/thread.el the new home for thread-related Lisp functions Michael Albinus
2018-08-31  0:57     ` Gemini Lasswell
2018-08-31  7:23       ` Michael Albinus
2018-08-31 13:19         ` Stefan Monnier
2018-08-31 13:41           ` Michael Albinus
2018-08-31 15:16             ` Stefan Monnier
2018-08-31 15:07           ` Eli Zaretskii
2018-09-03 13:14             ` Stefan Monnier [this message]
2018-09-03 14:15               ` Michael Albinus
2018-09-03 15:07               ` Eli Zaretskii
2018-09-03 15:17                 ` Stefan Monnier
2018-09-05 16:49             ` Gemini Lasswell
2018-09-05 17:48               ` Eli Zaretskii
2018-09-03 10:08           ` Michael Albinus

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