From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/6385 Path: news.gmane.org!not-for-mail From: Jens Gustedt Newsgroups: gmane.linux.lib.musl.general Subject: Re: musl pthread/tls issue. Date: Wed, 22 Oct 2014 09:27:42 +0200 Message-ID: <1413962862.4851.166.camel@eris.loria.fr> References: <54474F9D.3090306@i-soft.com.cn> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-m/rMAJdyCxjONc65jclW" X-Trace: ger.gmane.org 1413962873 28533 80.91.229.3 (22 Oct 2014 07:27:53 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 22 Oct 2014 07:27:53 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-6398-gllmg-musl=m.gmane.org@lists.openwall.com Wed Oct 22 09:27:48 2014 Return-path: Envelope-to: gllmg-musl@plane.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by plane.gmane.org with smtp (Exim 4.69) (envelope-from ) id 1XgqKb-0003tR-OH for gllmg-musl@plane.gmane.org; Wed, 22 Oct 2014 09:27:42 +0200 Original-Received: (qmail 19707 invoked by uid 550); 22 Oct 2014 07:27:40 -0000 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Cj15cu23XZI4/826Px/xqB37z547sPH374oOvnKTsOb+1zuCoImZARM8ZiLlKkXcWOcoFRJ+Do/CwFO4e2DEe+9Ti+ZXA8ny/cU+X4bMKRZxZIVEiqXI6/+NKuUzPHb7z40ovnX3zx+Ctuq38HyuqWG7Tu+A0AAAAASUVORK5CYII= X-Mailer: Evolution 3.4.4-3 Xref: news.gmane.org gmane.linux.lib.musl.general:6385 Archived-At: --=-m/rMAJdyCxjONc65jclW Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Am Mittwoch, den 22.10.2014, 14:33 +0800 schrieb =E9=BB=84=E5=BB=BA=E5=BF= =A0: > And after a quick look, the problem is in pixman-compiler.h, it defined > TLS related codes and macros according to specific > implementation(win32/mingw/pthread and so on). > By default, the TLS codes will be compiled, if it was disabled, there is > still a pthread fallback use 'pthread_key_create' and other pthread funcs= . Both, the TLS and pthread codes look fishy to me. They define the tls "variables" as static which restricts any of them to be used from inside the same TU. This perhaps may mostly be the case, but it is certainly a desing restriction if not a flaw. Maybe the code that errors for you does inline certain functions according to compiler versions, flags etc, and thus creates several copies of these static variables? Just a wild guess. Jens --=20 :: INRIA Nancy Grand Est ::: AlGorille ::: ICube/ICPS ::: :: ::::::::::::::: office Strasbourg : +33 368854536 :: :: :::::::::::::::::::::: gsm France : +33 651400183 :: :: ::::::::::::::: gsm international : +49 15737185122 :: :: http://icube-icps.unistra.fr/index.php/Jens_Gustedt :: --=-m/rMAJdyCxjONc65jclW Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEABECAAYFAlRHXG4ACgkQD9PoadrVN+ITlwCgglg1+MyirGRUwNSGaLMt/tdz PCYAniIsxDI27VVIUwIBVrBRbiFVhjbj =1pU2 -----END PGP SIGNATURE----- --=-m/rMAJdyCxjONc65jclW--