From owner-svn-src-all@freebsd.org Sat Jun 25 18:07:02 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1B29BB818E2; Sat, 25 Jun 2016 18:07:02 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 8D3A51A9D; Sat, 25 Jun 2016 18:07:01 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id u5PI6vWU022177 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Sat, 25 Jun 2016 21:06:57 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua u5PI6vWU022177 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id u5PI6vlJ022176; Sat, 25 Jun 2016 21:06:57 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Sat, 25 Jun 2016 21:06:57 +0300 From: Konstantin Belousov To: Ivan Klymenko Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r302194 - head/lib/libthr/thread Message-ID: <20160625180657.GG38613@kib.kiev.ua> References: <20160625170406.77c79b2e@nonamehost.local> <20160625140529.GW38613@kib.kiev.ua> <20160625171800.50a43746@nonamehost.local> <20160625142915.GX38613@kib.kiev.ua> <20160625175503.7c57d42b@nonamehost.local> <20160625152006.GA38613@kib.kiev.ua> <20160625190346.19a1ef0d@nonamehost.local> <20160625161615.GD38613@kib.kiev.ua> <20160625204317.0aae5c98@nonamehost.local> <20160625180543.GF38613@kib.kiev.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160625180543.GF38613@kib.kiev.ua> User-Agent: Mutt/1.6.1 (2016-04-27) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.22 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: Sat, 25 Jun 2016 18:07:02 -0000 On Sat, Jun 25, 2016 at 09:05:43PM +0300, Konstantin Belousov wrote: > On Sat, Jun 25, 2016 at 08:43:17PM +0300, Ivan Klymenko wrote: > > ./thr_mutex_test > > thr_mutex_test: mutex_trylock 2: No error: 0 > > Ok, there is a bug in my test, it must use errc(3) and not err(3). Please > retest wth the updated code below. But I am sure that you would see > EDEADLK (Resource deadlock avoided) error, which means that you have > wrong, i.e. unpatched libthr, installed. > > For me, the output is > sandy% ./pthread_errrecurse > sandy% echo $? > 0 > Err, the updated test. /* $Id: pthread_errrecurse.c,v 1.2 2016/06/25 18:02:54 kostik Exp kostik $ */ #include #include #include int main(void) { pthread_mutex_t m; pthread_mutexattr_t ma; int error; error = pthread_mutexattr_init(&ma); if (error != 0) errc(1, error, "mutexattr_init"); error = pthread_mutexattr_settype(&ma, PTHREAD_MUTEX_ADAPTIVE_NP); if (error != 0) errc(1, error, "mutexattr_settype"); error = pthread_mutex_init(&m, &ma); if (error != 0) errc(1, error, "mutex_init"); error = pthread_mutex_trylock(&m); if (error != 0) errc(1, error, "mutex_trylock 1"); error = pthread_mutex_trylock(&m); if (error != EBUSY) errc(1, error, "mutex_trylock 2"); else if (error == 0) errx(1, "mutex_trylock 2 succeeded"); return (0); }