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Message-ID: <20070717210417.257740@gmx.net> Date: Tue, 17 Jul 2007 23:04:17 +0200 From: "Michael Kerrisk" <mtk-manpages@....net> To: Davide Libenzi <davidel@...ilserver.org> Cc: linux-kernel@...r.kernel.org, akpm@...l.org Subject: Re: timerfd(2) draft man page plus questions > > 1. timer_settime() and setitimer() both permit the caller to obtain > > the old value of the timer when modifying an existing timer. Why > > doesn't timerfd() provide this functionality? > > I don't know ;) Would it be any useful? Well given that the two older APIs both provide this functionality, it seems that it is desired in applications. It is a shame that the new API doesn't have this. It could be added (I'm inclined to say, it should be): the only problem is that the syscall is now out in the wild, so a change at this point would not be ABI compatible. However, it only just got into the wild (and hasn't made it into glibc yet), so now would be a good time to fix it, if you are agreeable, and the kernel gatekeepers are prepared to tolerate the ABI change. Cheers, Michael -- Michael Kerrisk maintainer of Linux man pages Sections 2, 3, 4, 5, and 7 Want to help with man page maintenance? Grab the latest tarball at http://www.kernel.org/pub/linux/docs/manpages , read the HOWTOHELP file and grep the source files for 'FIXME'. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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