Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754040AbZAJRKN (ORCPT ); Sat, 10 Jan 2009 12:10:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752204AbZAJRJ7 (ORCPT ); Sat, 10 Jan 2009 12:09:59 -0500 Received: from zelda.netsplit.com ([87.194.19.211]:42818 "EHLO zelda.netsplit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751005AbZAJRJ6 (ORCPT ); Sat, 10 Jan 2009 12:09:58 -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: <20090110161911.GB10954@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> <1231599141.11642.58.camel@quest> <20090110161911.GB10954@redhat.com> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-IRIpMwVF5YhSsAnwW5sx" Date: Sat, 10 Jan 2009 17:09:58 +0000 Message-Id: <1231607398.11642.104.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: 1187 Lines: 40 --=-IRIpMwVF5YhSsAnwW5sx Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sat, 2009-01-10 at 17:19 +0100, Oleg Nesterov wrote: > I am not sure we are talking about the same thing, but afaics poll() + > signalfd can work to (say) reap the childs. Actually, ppoll() alone is > enough. >=20 Last time I checked, ppoll() was not actually implemented across all architectures in a manner that solved the race it was intended to solve. I'd be delighted to learn that this had been fixed? :-) Soctt --=20 Scott James Remnant scott@canonical.com --=-IRIpMwVF5YhSsAnwW5sx 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) iEYEABECAAYFAklo1mYACgkQSnQiFMl4yK6QDACeM5Vi/kSnn591GHmDI0uZt9Iw s10An1epTeNn2X3EmqC7ADns+aNlqGXK =Q0Ju -----END PGP SIGNATURE----- --=-IRIpMwVF5YhSsAnwW5sx-- -- 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/