Mercurial > jdk8-mips64-public > hotspot / file revision
src/share/vm/gc_implementation/concurrentMarkSweep/cmsLockVerifier.hpp@2d127394260e
src/share/vm/gc_implementation/concurrentMarkSweep/cmsLockVerifier.hpp
Thu, 27 May 2010 18:01:56 -0700
- author
- kvn
- date
- Thu, 27 May 2010 18:01:56 -0700
- changeset 1926
- 2d127394260e
- parent 1580
- e018e6884bd8
- child 1907
- c18cbe5936b8
- permissions
- -rw-r--r--
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
Summary: Added new product ObjectAlignmentInBytes flag to control object alignment.
Reviewed-by: twisti, ysr, iveresov
1 /*
2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
25 ///////////// Locking verification specific to CMS //////////////
26 // Much like "assert_lock_strong()", except
27 // that it relaxes the assertion somewhat for the parallel GC case, where
28 // main GC thread or the CMS thread might hold the lock on behalf of
29 // the parallel threads.
30 class CMSLockVerifier: AllStatic {
31 public:
32 static void assert_locked(const Mutex* lock, const Mutex* p_lock1, const Mutex* p_lock2)
33 PRODUCT_RETURN;
34 static void assert_locked(const Mutex* lock, const Mutex* p_lock) {
35 assert_locked(lock, p_lock, NULL);
36 }
37 static void assert_locked(const Mutex* lock) {
38 assert_locked(lock, NULL);
39 }
40 };
