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Message-ID: <43AE52B6.1090604@gmail.com>
Date: Sun, 25 Dec 2005 10:05:10 +0200
From: Alon Bar-Lev <alon.barlev@gmail.com>
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To: Luke-Jr <luke@dashjr.org>
CC: Lee Revell <rlrevell@joe-job.com>, David Wagner <daw@cs.berkeley.edu>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [Question] LinuxThreads, setuid - Is there user mode hook?
References: <200512222312.jBMNCj96018554@taverner.CS.Berkeley.EDU> <1135370197.22177.40.camel@mindpipe> <20051223203347.GA32589@nevyn.them.org> <200512250131.19218.luke@dashjr.org>
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Luke-Jr wrote:
> On Friday 23 December 2005 20:33, Daniel Jacobowitz wrote:
> 
>>Applications have to run on existing platforms and work with existing
>>software, as I'm sure you know.  If someone anywhere in the food chain
>>isn't ready for NPTL, a project can easily be stuck with LT for another
>>few years.
> 
> 
> Not sure about NPTL support in non-Linux-based operating systems (Solaris, 
> BSD, etc), but I'd be surprised if they supported LinuxThreads. Thus, 
> shouldn't NPTL really result in a *more* portable application?
> 

Yes... This is my first recommendation...
But what if the user does not want to upgrade?

Well... I understand that I am left with the following options:
1. upgrade to NPTL
2. My implementation of querying the main in a separate thread.
3. don't use setuid

Thank you for your help,
Alon Bar-Lev.
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