linux-kernel - Re: Syslets, Threadlets, generic AIO support, v6

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Message-ID: <Pine.LNX.4.64.0705301434220.6272@alien.or.mcafeemobile.com>
Date:	Wed, 30 May 2007 14:39:56 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Ulrich Drepper <drepper@...hat.com>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, Jeff Garzik <jeff@...zik.org>,
	Zach Brown <zach.brown@...cle.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@....com.au>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Evgeniy Polyakov <johnpol@....mipt.ru>,
	"David S. Miller" <davem@...emloft.net>,
	Suparna Bhattacharya <suparna@...ibm.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: Syslets, Threadlets, generic AIO support, v6

On Wed, 30 May 2007, Ulrich Drepper wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Linus Torvalds wrote:
> > 	for (i = 0; i < NR_OPEN; i++)
> > 		close(i);
> > 
> > to clean up all file descriptors before doing something new. And yes, I 
> > think it was bash that used to *literally* do something like that a long 
> > time ago.
> 
> Indeed.  It was not only bash, though, I fixed probably a dozen
> applications.  But even the new and better solution (readdir of
> /proc/self/fd) does not prevent the problem of closing descriptors the
> system might still need and the application doesn't know about.

Please, do not drop me out of the Cc list. If you have a valid point, you 
should be able to carry it forward regardless, no?



- Davide


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