X-Recipient:	archive-cygwin AT delorie DOT com
X-Original-To:	cygwin AT cygwin DOT com
Delivered-To:	cygwin AT cygwin DOT com
DMARC-Filter:	OpenDMARC Filter v1.4.1 sourceware.org 304483858C51
Authentication-Results:	sourceware.org;
	dmarc=fail (p=none dis=none) header.from=nifty.ne.jp
Authentication-Results:	sourceware.org; spf=fail smtp.mailfrom=nifty.ne.jp
DKIM-Filter:	OpenDKIM Filter v2.10.3 conssluserg-02.nifty.com 239Hs6iY011228
DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.ne.jp;
	s=dec2015msa; t=1649526846;
	bh=5F3VlRcRnbRIAG3C0t5oyxWdplYyuaOTEQoP90eHrxQ=;
	h=Date:From:To:Cc:Subject:In-Reply-To:References:From;
	b=bG+YKjEaFXXeY0pAGxhUkffy9+S6XerxB1krgPxUPiRIxdfkQtd93GTKwATOITni4
	iabkkpn5NFoDyBpW7nEMkEB9W/6ApmkWWF6nk460Jl4qdgl/zq+KQIB9tueUBFlS8B
	XlxyFpRwxxV4mby7/6Udcn2DMXRuw24W+2fpPgwChtceSoO8TUrpd4F7upQbICCLtH
	Z+O0SSmiJ/k/Yoi0WBStwQGr1nt+raIOxgkj1EwDz5lnsNQ/HJdkIFNDZUxMhbFOWQ
	sbuan1UvY35o8g40nSFlAWTnQuh7GGmTHQMfi8dqx3A4fK3a+DAeZujKFIIJhtETHs
	Z3k3VeluK3cow==
X-Nifty-SrcIP:	[119.150.44.95]
Date:	Sun, 10 Apr 2022 02:54:10 +0900
From:	Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
To:	cygwin AT cygwin DOT com
Subject:	Re: Deadlock of the process tree when running make
Message-Id:	<20220410025410.196aa0a04368147dbbb31d3e@nifty.ne.jp>
In-Reply-To:	<f55466cdda02fa46bc43174ba412df3a@ispras.ru>
References:	<9388316255ada0e0fcb2d849cce5a894 AT ispras DOT ru>
	<20220409191743 DOT 6da2268a36e8c9b4ab22c722 AT nifty DOT ne DOT jp>
	<1ecd670b1cdff43e0b0d7e5ee4c9cfc5 AT ispras DOT ru>
	<ab3971adb8f441fd16bb62e480547a95 AT ispras DOT ru>
	<20220409204619 DOT dd0e53902d5e108ef462e510 AT nifty DOT ne DOT jp>
	<907ce1b4416a826cb07990dd601bd687 AT ispras DOT ru>
	<20220410015753 DOT 753e2a238513eaf2a3da81e9 AT nifty DOT ne DOT jp>
	<f55466cdda02fa46bc43174ba412df3a AT ispras DOT ru>
X-Mailer:	Sylpheed 3.7.0 (GTK+ 2.24.30; i686-pc-mingw32)
Mime-Version:	1.0
X-Spam-Status:	No, score=-6.0 required=5.0 tests=BAYES_00, DKIM_SIGNED,
	DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, NICE_REPLY_A, RCVD_IN_DNSWL_NONE,
	SPF_HELO_NONE, SPF_PASS, TXREP,
	T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4
X-Spam-Checker-Version:	SpamAssassin 3.4.4 (2020-01-24) on
	server2.sourceware.org
X-BeenThere:	cygwin AT cygwin DOT com
X-Mailman-Version:	2.1.29
List-Id:	General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Unsubscribe:	<https://cygwin.com/mailman/options/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=unsubscribe>
List-Archive:	<https://cygwin.com/pipermail/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe:	<https://cygwin.com/mailman/listinfo/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
Cc:	Alexey Izbyshev <izbyshev AT ispras DOT ru>
Errors-To:	cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com
Sender:	"Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

On Sat, 09 Apr 2022 20:23:06 +0300
Alexey Izbyshev wrote:
> On 2022-04-09 19:57, Takashi Yano wrote:
> > Thank you very much for the information. Can you check if
> > the thread pty_master_fwd_thread() in root mintty is still
> > alive?
> 
> I don't have mintty because "make" is run via an SSH session. I suppose 
> I should look into sshd in this case? I've checked an sshd process that 
> is the parent of this session, and yes, one of its threads is blocked at 
> https://cygwin.com/git?p=newlib-cygwin.git;a=blob;f=winsup/cygwin/fhandler_tty.cc;h=7bef6958c106c5e78cc90e014081022fd3a205bc;hb=cygwin-3_3_4-release#l2710.

Thanks for checking. This seems to be normal. Then, I cannot
understand why the ClosePseudoConsole() call is blocked...

The document by Microsoft mentions the blocking conditions of
ClosePseudoConsole():
https://docs.microsoft.com/en-us/windows/console/closepseudoconsole
however, the thread above is draining the channel.

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

-- 
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple

- Raw text -