From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753264AbaCXNyz (ORCPT ); Mon, 24 Mar 2014 09:54:55 -0400 Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120]:40368 "EHLO cdptpa-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750984AbaCXNyx (ORCPT ); Mon, 24 Mar 2014 09:54:53 -0400 X-Authority-Analysis: v=2.0 cv=MODiabll c=1 sm=0 a=/DbS/tiKggfTkRRHPZEB4g==:17 a=h2n2wN--3AMA:10 a=IBrS0yOrj2QA:10 a=S1A5HrydsesA:10 a=Qsx_du5GiBkA:10 a=8nJEP1OIZ-IA:10 a=fxJcL_dCAAAA:8 a=KGjhK52YXX0A:10 a=QfKxxUxMAAAA:8 a=ishi2uf3pgDuquDZlO8A:9 a=wPNLvfGTeEIA:10 a=/DbS/tiKggfTkRRHPZEB4g==:117 X-Cloudmark-Score: 0 X-Authenticated-User: X-Originating-IP: 67.78.168.186 Message-ID: <53303927.1030004@ubuntu.com> Date: Mon, 24 Mar 2014 09:54:47 -0400 From: Phillip Susi User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Janani Venkataraman , Karel Zak CC: amwang@redhat.com, rdunlap@xenotime.net, andi@firstfloor.org, aravinda@linux.vnet.ibm.com, hch@lst.de, mhiramat@redhat.com, jeremy.fitzhardinge@citrix.com, xemul@parallels.com, suzuki@linux.vnet.ibm.com, kosaki.motohiro@jp.fujitsu.com, adobriyan@gmail.com, tarundsk@linux.vnet.ibm.com, vapier@gentoo.org, roland@hack.frob.com, tj@kernel.org, ananth@linux.vnet.ibm.com, gorcunov@openvz.org, avagin@openvz.org, oleg@redhat.com, eparis@redhat.com, d.hatayama@jp.fujitsu.com, james.hogan@imgtec.com, akpm@linux-foundation.org, torvalds@linux-foundation.org, coreutils@gnu.org, procps@freelists.org, util-linux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 00/33] [RFC] Non disruptive application core dump infrastructure References: <20140320093040.14878.903.stgit@localhost.localdomain> <20140321080855.GE26374@x2.net.home> <532C54A3.3030903@ubuntu.com> <532FFE3A.9060002@linux.vnet.ibm.com> In-Reply-To: <532FFE3A.9060002@linux.vnet.ibm.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 3/24/2014 5:43 AM, Janani Venkataraman wrote: > Gcore attaches to the process using gdb and runs the gdb gcore > command and then detaches. In gcore the dump cannot be issued from > a signal handler context as fork() is not signal safe and moreover > it is disruptive in You can fork+exec from a signal handler just fine. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (MingW32) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJTMDknAAoJEI5FoCIzSKrwo2QH/RCmAn404PlO6cZLNuQ5PXqc MdR6U62K/BwZo42Fr694FzzjGKwuqx3YHB8gU+tyE26yZ31reFWG8KpdfV46NRYG sEPH/lJOerMXwfbpxE0YFZBow5wZqTg/XsiXMyz8M4/KdMgOgCEqsaG/IRPvK0+B NiaQmFct0Y2onwoy50mrR2sGeKOgA5510osoChCq+TKUrsCJp80jYvz6bVOi6kwY Oi+bAl/tzcQDy7yHkUqYJXYRf3o9jbHqGxnC/IzygOntggqmIiB8ez4ZDZC2YbOl htv0gP/jqZk8Pm3C/gv5S7xhqjy2+yvkWXg7mhsz7gsbSA4K5LXd5bN5ovEBGAw= =JWwx -----END PGP SIGNATURE-----