X-Recipient:	archive-cygwin AT delorie DOT com
DomainKey-Signature:	a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:from:to:cc:subject:date:message-id:references
	:in-reply-to:content-type:content-id:content-transfer-encoding
	:mime-version; q=dns; s=default; b=nPc6Tm6kGOlyiCI5P1J2MfsPJbGjh
	OJ5VaL8xJ48GjHt9mAD9xWFETqIleB0c5ryfoG5Jhu8SKrtD9lOx3TiHfMMy80tz
	SV7HatFsSRnNOfzgr/VHdm2ICG7WDACQj56buLgxrQlhUqkZfTOt/awejPen7qzL
	BCqz1sc2tLseBE=
DKIM-Signature:	v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:from:to:cc:subject:date:message-id:references
	:in-reply-to:content-type:content-id:content-transfer-encoding
	:mime-version; s=default; bh=EfeojqGRSbD8LPNIOEZyEU1JSCY=; b=HnZ
	q+Zt6xF3yTdCFE2+cLAbwVRWLU49sQv06gggiKh2/AjXtj60br8MHQkAADTu41u9
	rT1s/0u9yOfI5WNwgsNRhB0IbG6IVbimRBFIzsPsNYRhFnf1piCgMXgyhUM9OGOc
	pgSiC7SAgZVxFWhZ3eheTYEHCK0JUciikOZVDb3E=
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com
Authentication-Results:	sourceware.org; auth=none
X-Spam-SWARE-Status:	No, score=-8.2 required=5.0 tests=AWL,BAYES_00,GIT_PATCH_2,NORMAL_HTTP_TO_IP,NUMERIC_HTTP_ADDR,RCVD_IN_DNSWL_NONE,SEM_URI,SEM_URIRED,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.1 spammy=
X-HELO:	NAM03-BY2-obe.outbound.protection.outlook.com
ARC-Seal:	i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=WJs0H2AF9RPNiM5e7KErwqvKtBmUiF300XPODkURftYLjkUXq1LENl99UIdG6MMPnG0WEYdjtRbsJJvmrtuZ73SRgGRejNuReiwTh8mSRDWG2BAV9g9UZYiIgV/IpOsdX+/Jbr+K1q1/P+Tgef+XAC1p7USNRSTRkIVJrUNR+0ACrWeIpWPWAXZTzfMmtjrSqhFswqk/nIBsb2gX+P401RcngarzloG8YGjwgctNZTKAASRxaekg7zItljbmEtdFx57qlwH4wr5fz0sYUleQNta8tmekO45eycXWtavBKXO/GCPGVGJVhg1S9CHm4TGAZ50Yu+aVJ1xo3t44FlOomg==
ARC-Message-Signature:	i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=K4lK+vXgPuWbv6VVX7a1J2hUAkiTer++PPFxu3aPimg=; b=nsziQK7DDNAomSMXQEmzqtgGoIwo4ogufxcXGeZ3VqL5cndKepW7KPAm9clx5D+bTuNN6FzJbpWhBBbrF7tTQc9/eLeVbsKH+MEDT6p27j8P5rA6pV1i0L1mfs8tHmHm6eS/5UibUQMkhQ9yRXYTi4Bh+0KPv7kK8U6V/6g4oxpx1TCAaaXjfWHMLpoS4+GmhpsdDSi+MmNVbW5TZv8IX8IcpIlenzly9hgUzemGRto3RVsDgwPwzhaqoLEKOr7fy1tKm6Mlg34bMZ9JhOBwtG/9ODEZnvhs50kTVoSGHTNNG+8OK3o8N6mVOTf6ShEx1nnzxY89vxHksNkJ2POYVQ==
ARC-Authentication-Results:	i=1; mx.microsoft.com 1;spf=pass smtp.mailfrom=cornell.edu;dmarc=pass action=none header.from=cornell.edu;dkim=pass header.d=cornell.edu;arc=none
DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=cornell.edu; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=K4lK+vXgPuWbv6VVX7a1J2hUAkiTer++PPFxu3aPimg=; b=M5tcCoerdJYJUyAvCfxc6TC7xbBeCw6VGedK8CKPb3sZ8dNZ6sW7F03ohSr0mZyjEo0VULluyJP0NExfY5KlwrH9p/EfS35yNfkYwuvvGeVBmfEoPbOOYCpHgV2ocLajPu+OaNnyYc0ebEIte2Fr6mLK8F5Z1HYVtAfqfVPEPnE=
From:	Ken Brown <kbrown AT cornell DOT edu>
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
CC:	"Erik M. Bray" <erik DOT m DOT bray AT gmail DOT com>
Subject:	Re: Regression (last snapshot)
Date:	Mon, 22 Jul 2019 13:44:34 +0000
Message-ID:	<265a2749-95b6-38aa-a191-7913bfcc98b6@cornell.edu>
References:	<8f6a87faa9c8130241c026889a01d763 AT xs4all DOT nl> <5414d0e1-79d9-cab7-b1bd-4761265bf8bd AT cornell DOT edu>
In-Reply-To:	<5414d0e1-79d9-cab7-b1bd-4761265bf8bd@cornell.edu>
user-agent:	Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0
authentication-results:	spf=none (sender IP is ) smtp.mailfrom=kbrown AT cornell DOT edu;
x-ms-oob-tlc-oobclassifiers:	OLM:983;
received-spf:	None (protection.outlook.com: cornell.edu does not designate permitted sender hosts)
x-ms-exchange-senderadcheck:	1
MIME-Version:	1.0
X-MS-Exchange-CrossTenant-mailboxtype:	HOSTED
X-MS-Exchange-CrossTenant-userprincipalname:	ksb2 AT cornell DOT edu
X-IsSubscribed:	yes
X-MIME-Autoconverted:	from base64 to 8bit by delorie.com id x6MDjDfW011366

On 7/22/2019 8:23 AM, Ken Brown wrote:
> On 7/20/2019 6:55 PM, Houder wrote:
>> 64-@@ uname -a
>> CYGWIN_NT-6.1 Seven 3.1.0s(0.339/5/3) 2019-07-12 15:28 x86_64 Cygwin
>>
>> 64-@@ ls -lL <(grep bash .bashrc)
>> ls: /dev/fd/63: No such file or directory
>> pr-------- 1 Henri None 0 Jul 21 00:41 /dev/fd/63
> 
> Thanks for the report.  This is probably caused by my new FIFO code.  I'm
> looking into it.

Actually, a bisection shows that the regression is due to the following commit:

commit 2607639992f6600135532831c8357c10cb248821
Author: Erik M. Bray <erik DOT m DOT bray AT gmail DOT com>
Date:   Wed Apr 10 17:05:22 2019 +0200

     Improve error handling in /proc/[pid]/ virtual files.

     * Changes error handling to allow /proc/[pid]/ virtual files to be
       empty in some cases (in this case the file's formatter should return
       -1 upon error, not 0).

     * Better error handling of /proc/[pid]/stat for zombie processes:
       previously trying to open this file on zombie processes resulted
       in an EINVAL being returned by open().  Now the file can be read,
       and fields that can no longer be read are just zeroed.

     * Similarly for /proc/[pid]/statm for zombie processes.

     * Similarly for /proc/[pid]/maps for zombie processes (in this case the
       file can be read but is zero-length, which is consistent with observed
       behavior on Linux.


Erik, can you take a look?

Ken

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

- Raw text -