linux-kernel - Re: [PATCH 00/33] [RFC] Non disruptive application core dump infrastructure

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Message-ID: <53303927.1030004@ubuntu.com>
Date:	Mon, 24 Mar 2014 09:54:47 -0400
From:	Phillip Susi <psusi@...ntu.com>
To:	Janani Venkataraman <jananive@...ux.vnet.ibm.com>,
	Karel Zak <kzak@...hat.com>
CC:	amwang@...hat.com, rdunlap@...otime.net, andi@...stfloor.org,
	aravinda@...ux.vnet.ibm.com, hch@....de, mhiramat@...hat.com,
	jeremy.fitzhardinge@...rix.com, xemul@...allels.com,
	suzuki@...ux.vnet.ibm.com, kosaki.motohiro@...fujitsu.com,
	adobriyan@...il.com, tarundsk@...ux.vnet.ibm.com,
	vapier@...too.org, roland@...k.frob.com, tj@...nel.org,
	ananth@...ux.vnet.ibm.com, gorcunov@...nvz.org, avagin@...nvz.org,
	oleg@...hat.com, eparis@...hat.com, d.hatayama@...fujitsu.com,
	james.hogan@...tec.com, akpm@...ux-foundation.org,
	torvalds@...ux-foundation.org, coreutils@....org,
	procps@...elists.org, util-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/33] [RFC] Non disruptive application core dump infrastructure

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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.


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