linux-kernel - Re: + prctl-add-pr_setget_child_reaper-to-allow-simple-process-supervision .patch added to -mm tree

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 for Android: free password hash cracker in your pocket

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

Date:	Mon, 22 Aug 2011 20:30:41 -0400
From:	Colin Walters <walters@...bum.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Kay Sievers <kay.sievers@...y.org>,
	Oleg Nesterov <oleg@...hat.com>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, lennart@...ttering.net,
	linux-man@...r.kernel.org, roland@...k.frob.com,
	torvalds@...ux-foundation.org
Subject: Re: + prctl-add-pr_setget_child_reaper-to-allow-simple-process-supervision
 .patch added to -mm tree

On Wed, Aug 17, 2011 at 9:37 AM, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
>
> Now I can see why you want to know when processes exit and do it without
> tampering with the process, but it seems to me that's simply a question
> of us lacking a way to do this nicely, whether inotify/dnotify/etc
> on /proc, some kind of 'also signal me' property or some kind of process
> event interface.

Yes please!  The fact that in Unix one can only get notifications of a
process exiting when one is the parent is just lame, and SIGCHLD (like
all signals) sucks.  Lennart was tossing around a "childfd" namespace
proposal...
--
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/