From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753641AbZBHVaF (ORCPT ); Sun, 8 Feb 2009 16:30:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752791AbZBHV3y (ORCPT ); Sun, 8 Feb 2009 16:29:54 -0500 Received: from wa-out-1112.google.com ([209.85.146.179]:7908 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751623AbZBHV3x (ORCPT ); Sun, 8 Feb 2009 16:29:53 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type:content-transfer-encoding; b=Jhjm2oWxwOPciIZVt1GBniR3TTe8z6yVpkdrM+cQTjrHqLc3rvAA9uzT7557fl9h1x a4IgXLkcoOwl9bs0nKsKOqpw6qJmq0b0kRQB4k5hbwTt9KJI+32FpzzRi2IScTyybCgC tqjx2Xa+3oclebwiQsx4Pz/s4papoSxDqfyZk= MIME-Version: 1.0 Reply-To: mtk.manpages@gmail.com In-Reply-To: References: Date: Mon, 9 Feb 2009 10:29:51 +1300 Message-ID: Subject: Re: Why does timerfd() only support CLOCK_REALTIME and CLOCK_MONOTONIC? From: Michael Kerrisk To: Davide Libenzi Cc: "linux-man@vger.kernel.org" , lkml , Thomas Gleixner Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > @@ -186,12 +187,9 @@ SYSCALL_DEFINE2(timerfd_create, int, clo > BUILD_BUG_ON(TFD_CLOEXEC != O_CLOEXEC); > BUILD_BUG_ON(TFD_NONBLOCK != O_NONBLOCK); > > - if (flags & ~(TFD_CLOEXEC | TFD_NONBLOCK)) > + if ((flags & ~TFD_FLAGS_SET) || > + invalid_clockid(clockid)) > return -EINVAL; Oh! Does this mean that in 2.6.2[789] it wasn't possible to use TFD_TIMER_ABSTIME? -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ git://git.kernel.org/pub/scm/docs/man-pages/man-pages.git man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html