From owner-svn-src-stable@freebsd.org Fri May 26 00:25:10 2017 Return-Path: Delivered-To: svn-src-stable@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 0E813D7ADE3; Fri, 26 May 2017 00:25:10 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D20381EA0; Fri, 26 May 2017 00:25:09 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v4Q0P8c4004703; Fri, 26 May 2017 00:25:08 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v4Q0P8DU004702; Fri, 26 May 2017 00:25:08 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201705260025.v4Q0P8DU004702@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Fri, 26 May 2017 00:25:08 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r318909 - stable/11/cddl/contrib/opensolaris/lib/libzpool/common X-SVN-Group: stable-11 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 May 2017 00:25:10 -0000 Author: mav Date: Fri May 26 00:25:08 2017 New Revision: 318909 URL: https://svnweb.freebsd.org/changeset/base/318909 Log: MFC r318516: Fix time handling in cv_timedwait_hires(). pthread_cond_timedwait() receives absolute time, not relative. Passing wrong time there caused two threads of zdb to spin in a tight loop. Modified: stable/11/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c Directory Properties: stable/11/ (props changed) Modified: stable/11/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c ============================================================================== --- stable/11/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c Fri May 26 00:19:50 2017 (r318908) +++ stable/11/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c Fri May 26 00:25:08 2017 (r318909) @@ -363,7 +363,7 @@ cv_timedwait_hires(kcondvar_t *cv, kmute int flag) { int error; - timestruc_t ts; + timespec_t ts; hrtime_t delta; ASSERT(flag == 0 || flag == CALLOUT_FLAG_ABSOLUTE); @@ -376,8 +376,13 @@ top: if (delta <= 0) return (-1); - ts.tv_sec = delta / NANOSEC; - ts.tv_nsec = delta % NANOSEC; + clock_gettime(CLOCK_REALTIME, &ts); + ts.tv_sec += delta / NANOSEC; + ts.tv_nsec += delta % NANOSEC; + if (ts.tv_nsec >= NANOSEC) { + ts.tv_sec++; + ts.tv_nsec -= NANOSEC; + } ASSERT(mutex_owner(mp) == curthread); mp->m_owner = NULL;