linux-kernel - Re: [patch 1/4] fs, proc: Introduce /proc/<pid>/task/<tid>/children entry v8

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Message-ID: <20120124072122.GD29735@moon>
Date:	Tue, 24 Jan 2012 11:21:22 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Pavel Emelyanov <xemul@...allels.com>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Kees Cook <keescook@...omium.org>, Tejun Heo <tj@...nel.org>,
	Andrew Vagin <avagin@...nvz.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Alexey Dobriyan <adobriyan@...il.com>
Subject: Re: [patch 1/4] fs, proc: Introduce /proc/<pid>/task/<tid>/children
 entry v8

On Tue, Jan 24, 2012 at 04:07:09PM +0900, KAMEZAWA Hiroyuki wrote:
> > 
> > Hmm. But userspace app will get eof, so frankly I don't see
> > a problem here. Or maybe I miss something?
> > 
> 
> Userspace need to take care of whether there may be"\n" or not even
> if read() returns EOF.
> As an interface, it's BUG to say "\n" will be there if you're lucky!"
> (*) I know script language can handle this but we shouldn't assume that.
> 
> How about just remove "\n" at EOF  ? I think it's unnecessary.
> 

Sure thing, it's not a problem to remove it completely.

	Cyrill
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