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

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Message-ID: <Pine.LNX.4.64.0705301426160.6272@alien.or.mcafeemobile.com>
Date:	Wed, 30 May 2007 14:31:35 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Eric Dumazet <dada1@...mosbay.com>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Ulrich Drepper <drepper@...hat.com>,
	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, Eric Dumazet wrote:

> > So library routines *must not* open file descriptors in the normal space.
> > 
> > (The same is true of real applications doing the equivalent of
> > 
> > 	for (i = 0; i < NR_OPEN; i++)
> > 		close(i);
> 
> Quite buggy IMHO

Looking at it now, I'd agree (although I think I have that somewhere in my 
old code too). Consider though, that such code is contained also in 
reference books like Richard Stevens "UNIX Network Programming".



- Davide


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