Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756618AbZAJOwa (ORCPT ); Sat, 10 Jan 2009 09:52:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753701AbZAJOwV (ORCPT ); Sat, 10 Jan 2009 09:52:21 -0500 Received: from zelda.netsplit.com ([87.194.19.211]:40601 "EHLO zelda.netsplit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753461AbZAJOwU (ORCPT ); Sat, 10 Jan 2009 09:52:20 -0500 Subject: Re: [RESEND][RFC PATCH v2] waitfd From: Scott James Remnant To: Oleg Nesterov Cc: Casey Dahlin , Roland McGrath , Ulrich Drepper , Ingo Molnar , Linux Kernel , Randy Dunlap , Davide Libenzi , Peter Zijlstra In-Reply-To: <20090108213901.GA26729@redhat.com> References: <49639EB8.40204@redhat.com> <4963ABF0.6070400@redhat.com> <20090107123457.GB16268@elte.hu> <20090107205322.5F8C7FC3E0@magilla.sf.frob.com> <20090108143220.GA8717@redhat.com> <20090108193530.99D74FC3DD@magilla.sf.frob.com> <496663B6.3090709@redhat.com> <20090108213901.GA26729@redhat.com> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-VJ7hq0uFXAbUEfulUsPf" Date: Sat, 10 Jan 2009 14:52:21 +0000 Message-Id: <1231599141.11642.58.camel@quest> Mime-Version: 1.0 X-Mailer: Evolution 2.24.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1154 Lines: 38 --=-VJ7hq0uFXAbUEfulUsPf Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2009-01-08 at 22:39 +0100, Oleg Nesterov wrote: > Btw. It is not that I am trying to argue against sys_waitfd(), but do > you have the "real life" example when it can be useful? Yes, poll(). > But we have signalfd. SIGCHLD is not rt signal, but afaics this is not > the problem actually. Just curious. >=20 signalfd() can't currently be made to work in the way you describe. Scott --=20 Scott James Remnant scott@canonical.com --=-VJ7hq0uFXAbUEfulUsPf Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAklotiUACgkQSnQiFMl4yK6uPgCdF+HRO9NIRCjt6yfhYnLEezIk oTkAnjYsnCXXj3KjEVgBzOo0939Nfxka =a1ns -----END PGP SIGNATURE----- --=-VJ7hq0uFXAbUEfulUsPf-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/