From owner-svn-src-all@freebsd.org Wed Jan 13 22:34:57 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 1C100A81D8F; Wed, 13 Jan 2016 22:34:57 +0000 (UTC) (envelope-from vangyzen@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 DEB7D18B2; Wed, 13 Jan 2016 22:34:56 +0000 (UTC) (envelope-from vangyzen@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u0DMYtlb033003; Wed, 13 Jan 2016 22:34:55 GMT (envelope-from vangyzen@FreeBSD.org) Received: (from vangyzen@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u0DMYt8L033002; Wed, 13 Jan 2016 22:34:55 GMT (envelope-from vangyzen@FreeBSD.org) Message-Id: <201601132234.u0DMYt8L033002@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: vangyzen set sender to vangyzen@FreeBSD.org using -f From: Eric van Gyzen Date: Wed, 13 Jan 2016 22:34:55 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r293858 - head/lib/libthr/thread X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.20 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: Wed, 13 Jan 2016 22:34:57 -0000 Author: vangyzen Date: Wed Jan 13 22:34:55 2016 New Revision: 293858 URL: https://svnweb.freebsd.org/changeset/base/293858 Log: libthr: const-ify two variables Make the default umutex and urwlock initializers const, because they can be, and as a microoptimization. MFC after: 5 days Sponsored by: Dell Inc. Modified: head/lib/libthr/thread/thr_umtx.c Modified: head/lib/libthr/thread/thr_umtx.c ============================================================================== --- head/lib/libthr/thread/thr_umtx.c Wed Jan 13 21:56:48 2016 (r293857) +++ head/lib/libthr/thread/thr_umtx.c Wed Jan 13 22:34:55 2016 (r293858) @@ -42,7 +42,7 @@ int _umtx_op_err(void *obj, int op, u_lo void _thr_umutex_init(struct umutex *mtx) { - static struct umutex default_mtx = DEFAULT_UMUTEX; + static const struct umutex default_mtx = DEFAULT_UMUTEX; *mtx = default_mtx; } @@ -50,7 +50,8 @@ _thr_umutex_init(struct umutex *mtx) void _thr_urwlock_init(struct urwlock *rwl) { - static struct urwlock default_rwl = DEFAULT_URWLOCK; + static const struct urwlock default_rwl = DEFAULT_URWLOCK; + *rwl = default_rwl; }