linux-kernel - Re: RFC: A revised timerfd API

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Message-ID: <Pine.LNX.4.64.0709231138260.22989@alien.or.mcafeemobile.com>
Date:	Sun, 23 Sep 2007 11:41:32 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Michael Kerrisk <mtk-manpages@....net>
cc:	Ulrich Drepper <drepper@...hat.com>, geoff@...are.org.uk,
	lkml <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Christoph Hellwig <hch@....de>,
	Jonathan Corbet <corbet@....net>,
	Randy Dunlap <rdunlap@...otime.net>, vda.linux@...glemail.com,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	David Härdeman <david@...deman.nu>
Subject: Re: RFC: A revised timerfd API

On Sun, 23 Sep 2007, Davide Libenzi wrote:

> On Sun, 23 Sep 2007, Michael Kerrisk wrote:
> 
> > I applied this patch against 2.6.27-rc7, and wired up the syscalls as shown
> > in the definitions below.  When I ran the the program below, my system
> > immediately froze.  Can you try it on your system please.
> 
> There's an hrtimer_init() missing in timerfd_create(). I'll refactor the 
> patch.

There's the case of a timerfd_gettime return status when the timerfd has 
not been set yet (ie, soon after a timerfd_create), to handle.
Current way is to return an (itimerspec) { 0, 0 }. Ok?



- Davide


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