From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!.POSTED!not-for-mail
From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Example of threads and concurrency?
Date: Sat, 18 Feb 2017 21:41:59 +0200
Message-ID: <83shnbp9q0.fsf@gnu.org>
References: <87tw81sudh.fsf@ericabrahamsen.net>
	<87h93r49wh.fsf@ericabrahamsen.net>
	<CAM-tV-9P+_E_B2-wFAzvkkfG0_q+bON2OSa=vFc5g2LnYdWX-g@mail.gmail.com>
Reply-To: Eli Zaretskii <eliz@gnu.org>
NNTP-Posting-Host: blaine.gmane.org
X-Trace: blaine.gmane.org 1487446962 6411 195.159.176.226 (18 Feb 2017 19:42:42 GMT)
X-Complaints-To: usenet@blaine.gmane.org
NNTP-Posting-Date: Sat, 18 Feb 2017 19:42:42 +0000 (UTC)
Cc: eric@ericabrahamsen.net, emacs-devel@gnu.org
To: Noam Postavsky <npostavs@users.sourceforge.net>
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Feb 18 20:42:35 2017
Return-path: <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>
Envelope-to: ged-emacs-devel@m.gmane.org
Original-Received: from lists.gnu.org ([208.118.235.17])
	by blaine.gmane.org with esmtp (Exim 4.84_2)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>)
	id 1cfAtr-0000Yo-Hl
	for ged-emacs-devel@m.gmane.org; Sat, 18 Feb 2017 20:42:31 +0100
Original-Received: from localhost ([::1]:59661 helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>)
	id 1cfAtv-0005gC-Fq
	for ged-emacs-devel@m.gmane.org; Sat, 18 Feb 2017 14:42:35 -0500
Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:54547)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <eliz@gnu.org>) id 1cfAtI-0005g3-1a
	for emacs-devel@gnu.org; Sat, 18 Feb 2017 14:41:56 -0500
Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <eliz@gnu.org>) id 1cfAtD-0007P7-Cq
	for emacs-devel@gnu.org; Sat, 18 Feb 2017 14:41:56 -0500
Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:51110)
	by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@gnu.org>)
	id 1cfAtD-0007P0-9K; Sat, 18 Feb 2017 14:41:51 -0500
Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3429
	helo=home-c4e4a596f7)
	by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256)
	(Exim 4.82) (envelope-from <eliz@gnu.org>)
	id 1cfAtA-0003nV-FZ; Sat, 18 Feb 2017 14:41:50 -0500
In-reply-to: <CAM-tV-9P+_E_B2-wFAzvkkfG0_q+bON2OSa=vFc5g2LnYdWX-g@mail.gmail.com>
	(message from Noam Postavsky on Sat, 18 Feb 2017 14:23:22 -0500)
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]
X-Received-From: 2001:4830:134:3::e
X-BeenThere: emacs-devel@gnu.org
X-Mailman-Version: 2.1.21
Precedence: list
List-Id: "Emacs development discussions." <emacs-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/emacs-devel/>
List-Post: <mailto:emacs-devel@gnu.org>
List-Help: <mailto:emacs-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=subscribe>
Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org
Original-Sender: "Emacs-devel" <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>
Xref: news.gmane.org gmane.emacs.devel:212451
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/212451>

> From: Noam Postavsky <npostavs@users.sourceforge.net>
> Date: Sat, 18 Feb 2017 14:23:22 -0500
> Cc: Emacs developers <emacs-devel@gnu.org>
> 
> On Sat, Feb 18, 2017 at 1:43 PM, Eric Abrahamsen
> <eric@ericabrahamsen.net> wrote:
> >> I update the variable with a time-consuming/network-bound
> >> computation. I want the computation to happen in a thread so it
> >> doesn't block,
> 
> You're out of luck, only one thread runs at a time.

Only one thread runs at a time, but "network-bound" sounds like it
could yield from time to time, if it calls accept-process-output and
its ilk.