From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6892 invoked by alias); 14 Aug 2013 11:34:00 -0000 Mailing-List: contact cygwin-xfree-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-xfree-owner@cygwin.com Reply-To: cygwin-xfree@cygwin.com Mail-Followup-To: cygwin-xfree@cygwin.com Received: (qmail 6881 invoked by uid 89); 14 Aug 2013 11:34:00 -0000 X-Spam-SWARE-Status: No, score=-4.4 required=5.0 tests=AWL,BAYES_00,KHOP_PGP_SIGNED autolearn=ham version=3.3.2 Received: from aquarius.hirmke.de (HELO calimero.vinschen.de) (217.91.18.234) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Wed, 14 Aug 2013 11:33:59 +0000 Received: by calimero.vinschen.de (Postfix, from userid 500) id 7CAD6520D3A; Wed, 14 Aug 2013 13:33:51 +0200 (CEST) Date: Wed, 14 Aug 2013 11:34:00 -0000 From: Corinna Vinschen To: cygwin-xfree@cygwin.com Subject: Re: [ANNOUNCEMENT] Uploads for 12 August Message-ID: <20130814113351.GG4315@calimero.vinschen.de> Reply-To: cygwin-xfree@cygwin.com Mail-Followup-To: cygwin-xfree@cygwin.com References: <520A01DF.1040208@alice.it> <520A21B1.8060503@alice.it> <520A3EF6.80700@cornell.edu> <520A7654.3080207@users.sourceforge.net> <20130813182653.GA4315@calimero.vinschen.de> <520AAC65.1090708@cornell.edu> <20130814091656.GE4315@calimero.vinschen.de> <520B5BC7.4060306@cornell.edu> <20130814105326.GF4315@calimero.vinschen.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="L1c6L/cjZjI9d0Eq" Content-Disposition: inline In-Reply-To: <20130814105326.GF4315@calimero.vinschen.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Virus-Found: No X-SW-Source: 2013-08/txt/msg00030.txt.bz2 --L1c6L/cjZjI9d0Eq Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-length: 2324 On Aug 14 12:53, Corinna Vinschen wrote: > On Aug 14 06:28, Ken Brown wrote: > > On 8/14/2013 5:16 AM, Corinna Vinschen wrote: > > >On Aug 14 10:10, Corinna Vinschen wrote: > > >>On Aug 13 18:00, Ken Brown wrote: > > >>>On 8/13/2013 2:26 PM, Corinna Vinschen wrote: > > >>>>What function is not implemented? Is that something we can fix, > > >>>>perhaps in the Cygwin DLL? > > >>> > > >>>It's memalign, or at least that's what it was in 2007. See > > >>> > > >>> http://cygwin.com/ml/cygwin/2007-02/msg00678.html > > >> > > >>So it's using its own malloc but we don't support overriding other > > >>functions besides malloc/realloc/calloc/free. > > >> > > >>In theory we could do that in future. We still have room for 10 (x86) > > >>resp. 12 (x86_64) pointers in the per_process structure, which could = be > > >>used for this purpose. This would only require applications which ne= ed > > >>this feature to be rebuilt with the next Cygwin version providing the= se > > >>pointers. > > > > > >More precisely, they have to be rebuild using crt0.o from the next > > >Cygwin release, and they would have to run under the next Cygwin > > >release. If you omit one step, you're back to the current behaviour. > > > > > >>But we shouldn't waste those unused slots either, so the number of > > >>overridable functions should be kept small. In theory we have mallop= t, > > >>mallinfo, posix_memalign, memalign, and valloc. > > >> > > >>I guess we can skip mallopt and mallinfo since they are pretty > > >>seldomly used in user-provided malloc implementations. > > >> > > >>Memalign is an old, deprecated function, so I wonder why it's used at > > >>all. GSlice should use posix_memalign instead. Yaakov, is there an > > >>option to use posix_memalign rather than memalign? > >=20 > > I just checked the glib source, and it does use posix_memalign if > > it's available. I was quoting a 2007 discussion when I said it was > > memalign that GSlice wanted to use. >=20 > Given that, we should perhaps skip the memalign override. On second (third? fourth?) thought, I think we should do this with posix_memalign only. valloc is just as obsolete as posix_memalign. Corinna --=20 Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat --L1c6L/cjZjI9d0Eq Content-Type: application/pgp-signature Content-length: 836 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) iQIcBAEBAgAGBQJSC2sfAAoJEPU2Bp2uRE+gtwcP/0pwHjRYrb47LqAG3zt9V5xv KPKGVvjvMG4IFvsoz8J8It/akpbLtfTWegwkkyn1DDSPYWnE7P6jwjImZwsj6I2s 5/AiXPBpHMEov7xkC3C8cBkx9uyq/1wKyngVmo5ObZ7rba26aEYRhHYnOmRlc88Q rQnCtotOWx0lq2iDVAIDKOoI/LSL7yf1RAuHJncS1Z2SnKevPuy1JVEAds4Tcn3q II+jwsGmX89TU1lTcGvruXaFStOq/jP1f8Rjb4TpG/NaoPWQef2xFKmrgVtgO5Jb p4o7c0yQiQVXwi3qWagSR3iFgjbqZ9e4oYfZMAEeT5uTQQdQZGAZjzWMk3U/rK9p Jbo30CocPoC/hCO5ZCXMSuZt82ob+N2Wlcd0CdeGZn3P+Iocux/yxstzrrmsN8aB 8mu+nuFcvh+aasAYcJaauze1jgydLD2yYMgHVuDxOcJl6YtIf6KeeHssI/KEw+v3 Pm0aZ5I+WjUp4ZOstIYmW9CQ2U/3cDrVtaJOEckLvlorr+jC5hR4uehCUkp+qJVq vZK5hkCUzjB8rbOm9ZWX71WbNfOH3PAR2Cg5lQj82aHDx+WMp3Yzf8QrA6weLx6o Q2oHMm0DRHBw8kVuyRbefxlv/Bssse4Uvv7CIyeR6mwbgjlGzecgIG23EfOut+ua PZvQZarDoZ8kXPF36i+c =MRNm -----END PGP SIGNATURE----- --L1c6L/cjZjI9d0Eq--