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comparison src/share/vm/gc_implementation/concurrentMarkSweep/cmsLockVerifier.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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-1:000000000000 0:a61af66fc99e
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 */
24
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_lock)
33 PRODUCT_RETURN;
34 static void assert_locked(const Mutex* lock) {
35 assert_locked(lock, NULL);
36 }
37 };