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:mime-version:in-reply-to:references:from:date
	:message-id:subject:to:content-type; q=dns; s=default; b=IieAt7V
	FsTzxv8T5ffYCOx9uvTYbnphWPWCNRoGO+/2K+xiMnMVenCmIW6TNt3IxO2IiOqm
	XF/2uMtH19wfB0o0sUiUHHTNCxOlUfZFqL0Fr99GLW7cZ/80ZxxBPhUAQ+yiwmcs
	F2+ERtPN9y5MS7o4UMxIZV86xwGLYk4cxWS4=
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:mime-version:in-reply-to:references:from:date
	:message-id:subject:to:content-type; s=default; bh=PvUUdlB4DMORo
	o6FGIuhvxn1D3M=; b=HHU521g3VQXsVmRO6CAm5LgATvYiZAqEEh1zJQXAGtatV
	UEv7gHpAkYTnSAdgVndX2lrdUu0MhSDFcIupswOHpPu643e99o6k1kEIwXEgghc4
	+zx91mXi+287Za1YHsup2Tq0/NmIaSv9lywic+0cqBKT4NVSVixC8R54SSuGlo=
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-Virus-Found: No
X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,SPF_PASS autolearn=no version=3.3.2 spammy=much!, much
X-HELO: mail-yw0-f180.google.com
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;        d=1e100.net; s=20161025;        h=x-gm-message-state:mime-version:in-reply-to:references:from:date         :message-id:subject:to;        bh=rHoiqi38q0BS86NxWiXZaI4all0WJ9uFlydIqUeaVX4=;        b=NAaYqJnKpqMGEienkKNSPvtaJMD1C2kv/M3u9JcCxrs4S1cmvS+d6on/zkbXyO4H7h         xWNzMUVelxlv1j1b+7SpbV+v/qOZUNJES9hzU1WeOAdS80A5MI/qK46GUPcUsEEkSLXI         ebnwXoRcdsvmwv1RMx6nzG/tV4Ju8VRUtORejOZKY06jBWgAy8FEvEVZKyaaB+v+6zFK         ndH4Pb8WSuvKdJ1M7/1/3ilt+RWjqqEE4ONfpqYL/Qtbtp1NUexXgksBAKOWV0YoRyP0         exGU03kOOeDdlclfvIxw/2eTw2T1ggPmpw1lipCN/6Lk3TTLkYItzVGc/1YUBG+xmrjw         5h5w==
X-Gm-Message-State: AFeK/H0PPg7fmu60XGU988K5KHYWHXqAM0HmP6l+bAN0iY8C4SUl+utjY4+ChCz+20qVKwQZddyniIY4qAg+Xw==
X-Received: by 10.129.40.206 with SMTP id o197mr20616116ywo.353.1490108741758; Tue, 21 Mar 2017 08:05:41 -0700 (PDT)
MIME-Version: 1.0
In-Reply-To: <20170311102929.f4bca99e253d6560566cbfb7@nifty.ne.jp>
References: <20170309203959 DOT 1e7e32d20bf7ec06c705d3ba AT nifty DOT ne DOT jp> <20170310201036 DOT GA18927 AT calimero DOT vinschen DOT de> <20170311102929 DOT f4bca99e253d6560566cbfb7 AT nifty DOT ne DOT jp>
From: Erik Bray <erik DOT m DOT bray AT gmail DOT com>
Date: Tue, 21 Mar 2017 16:05:41 +0100
Message-ID: <CAOTD34YKBCt4uE2bnzuqO+vj=YgL26D=geSvjxn-YLjEjMh8Qw@mail.gmail.com>
Subject: Re: fork() fails if it is called recursively from a child thread.
To: cygwin AT cygwin DOT com
Content-Type: text/plain; charset=UTF-8
X-IsSubscribed: yes

On Sat, Mar 11, 2017 at 2:29 AM, Takashi Yano wrote:
> Hello,
>
> On Fri, 10 Mar 2017 21:10:36 +0100 Corinna Vinschen wrote:
>> Thanks for the report and especially the testcase.
>>
>> It was a tricky problem to debug so it took me a while, but I think
>> I got it now.
>>
>> I uploaded new developer snapshots to https://cygwin.com/snapshots/
>>
>> Please give them a try.  I'd be also interested if that fixes the iperf
>> problem.  Can you check?  There's always a chance that this uncovers
>> another problem hidden under this one...
>
> I tested the new snapshot, and confirmed the issue was fixed.
> The test case as well as iperf 2.0.5 with options -s -D works
> without problem.
>
> At least in my short test, I couldn't find any other hidden
> problems.
>
> Thank you very much!

Thanks for this!  I found the same bug a few weeks ago but never got
around to finding a simple-enough way to reproduce it so I didn't
report it yet.  But this fixed the test code I did have, and from
looking at the description it should be the same bug.  Very subtle.

Thanks,
Erik

--
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