From owner-cvs-src@FreeBSD.ORG Wed Apr 2 04:32:31 2008 Return-Path: Delivered-To: cvs-src@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9B54C106564A; Wed, 2 Apr 2008 04:32:31 +0000 (UTC) (envelope-from davidxu@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id 7326A8FC1B; Wed, 2 Apr 2008 04:32:31 +0000 (UTC) (envelope-from davidxu@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.1/8.14.1) with ESMTP id m324WVAM045631; Wed, 2 Apr 2008 04:32:31 GMT (envelope-from davidxu@repoman.freebsd.org) Received: (from davidxu@localhost) by repoman.freebsd.org (8.14.1/8.14.1/Submit) id m324WVwe045630; Wed, 2 Apr 2008 04:32:31 GMT (envelope-from davidxu) Message-Id: <200804020432.m324WVwe045630@repoman.freebsd.org> From: David Xu Date: Wed, 2 Apr 2008 04:32:31 +0000 (UTC) To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org X-FreeBSD-CVS-Branch: HEAD Cc: Subject: cvs commit: src/lib/libthr/thread thr_private.h thr_rwlock.c thr_umtx.c thr_umtx.h X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Apr 2008 04:32:31 -0000 davidxu 2008-04-02 04:32:31 UTC FreeBSD src repository Modified files: lib/libthr/thread thr_private.h thr_rwlock.c thr_umtx.c thr_umtx.h Log: Replace userland rwlock with a pure kernel based rwlock, the new implementation does not switch pointers when it resumes waiters. Asked by: jeff Revision Changes Path 1.87 +1 -6 src/lib/libthr/thread/thr_private.h 1.14 +93 -217 src/lib/libthr/thread/thr_rwlock.c 1.14 +24 -0 src/lib/libthr/thread/thr_umtx.c 1.12 +81 -0 src/lib/libthr/thread/thr_umtx.h