linux-kernel - Re: [RFC][PATCH] Add prctl to set sibling thread names

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 04 Nov 2009 21:17:47 -0800
From:	Darren Hart <dvhltc@...ibm.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	john stultz <johnstul@...ibm.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Andi Kleen <andi@...stfloor.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Mike Fulton <fultonm@...ibm.com>,
	Sean Foley <Sean_Foley@...ibm.com>
Subject: Re: [RFC][PATCH] Add prctl to set sibling thread names

KOSAKI Motohiro wrote:

> John, I'd prefer to suggested another design.
> How about this?
> 
> 1. remove pid argument from prctl
> 2. cancel pthread_setname_np()
> 3. instead, create pthread_attr_setname_np()
> 4. pthread_create() change own thread name by pthread_attr.
> 
> 
> It avoid many racy problem automatically.

Perhaps, but it also greatly reduces the flexibility of the 
implementation by restricting name changes to create time.

-- 
Darren Hart
IBM Linux Technology Center
Real-Time Linux Team
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/