X-Recipient:	archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status:	No, hits=2.3 required=5.0 tests=AWL,BAYES_50,FREEMAIL_FROM,KAM_THEBAT,KHOP_THREADED,SPF_SOFTFAIL
X-Spam-Check-By:	sourceware.org
Date:	Thu, 10 May 2012 12:30:30 +0400
From:	Andrey Repin <anrdaemon AT freemail DOT ru>
Reply-To:	Andrey Repin <cygwin AT cygwin DOT com>
Message-ID:	<1211135919.20120510123030@mtu-net.ru>
To:	Daniel Colascione <dancol AT dancol DOT org>, cygwin AT cygwin DOT com
Subject:	Re: 1.7.13/1.7.14: Issue with command prompt not returning when forking process
In-Reply-To:	<4FA6E1EC.1000603@dancol.org>
References:	<20120505083518 DOT GA2428 AT calimero DOT vinschen DOT de> <A1960FFE0F9B444B8512E826965B70763A934CE68A AT ESESSCMS0362 DOT eemea DOT ericsson DOT se> <20120506200951 DOT GB11611 AT ednor DOT casa DOT cgf DOT cx> <4FA6E1EC DOT 1000603 AT dancol DOT org>
MIME-Version:	1.0
X-IsSubscribed:	yes
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Unsubscribe:	<mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT 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

Greetings, Daniel Colascione!

>> [cmd /c start foo not going into the background]
>> It is not likely to change.

> What worries me isn't that the behavior changed, but that the new
> behavior is weird. SIGINT doesn't work on processes spawned by cmd /c
> start.

> Try it yourself:

> $ cmd /c start notepad

> The weird thing is that cmd seems to have a PID, but sending a signal
> to this process fails with ESRCH --- except for sending signal 0,
> which succeeds.

That's expected - non-cygwin applications don't know anything about signals.
Even if, for example, SIGKILL would work on cmd (forcefully terminating it),
Notepad will stay.


--
WBR,
Andrey Repin (anrdaemon AT freemail DOT ru) 10.05.2012, <12:28>

Sorry for my terrible english...


--
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 -