From owner-svn-src-all@FreeBSD.ORG Mon Aug 30 08:01:16 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E316A10656AA; Mon, 30 Aug 2010 08:01:16 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id 5BB688FC19; Mon, 30 Aug 2010 08:01:15 +0000 (UTC) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id o7U7xjX8023863 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 30 Aug 2010 10:59:45 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4) with ESMTP id o7U7xjrF073778; Mon, 30 Aug 2010 10:59:45 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4/Submit) id o7U7xjaV073777; Mon, 30 Aug 2010 10:59:45 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 30 Aug 2010 10:59:45 +0300 From: Kostik Belousov To: Pawel Jakub Dawidek Message-ID: <20100830075945.GS2396@deviant.kiev.zoral.com.ua> References: <201008300006.o7U065Nu078151@svn.freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ijmMUc01C7g2hQX3" Content-Disposition: inline In-Reply-To: <201008300006.o7U065Nu078151@svn.freebsd.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-2.5 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_20, DNS_FROM_OPENWHOIS autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r211982 - head/sbin/hastd X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Aug 2010 08:01:17 -0000 --ijmMUc01C7g2hQX3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Aug 30, 2010 at 12:06:05AM +0000, Pawel Jakub Dawidek wrote: > Author: pjd > Date: Mon Aug 30 00:06:05 2010 > New Revision: 211982 > URL: http://svn.freebsd.org/changeset/base/211982 >=20 > Log: > Use sigtimedwait(2) for signals handling in primary process. > This fixes various races and eliminates use of pthread* API in signal h= andler. Replying to the random commit. In the multithreaded process, after the fork in the child, you shall not call any not async-signal safe functions. I suppose that hook_execv() exposes the issue, calling into some stdio functions and sysconf(). --ijmMUc01C7g2hQX3 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEARECAAYFAkx7ZPEACgkQC3+MBN1Mb4jn1gCfV1x3LZxTn2tHTSLtTUc1hNa3 UB0Anj3R8XTolGSLCCP52gzqosFO+RUI =DUjF -----END PGP SIGNATURE----- --ijmMUc01C7g2hQX3--