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1 /*
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2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 ///////////// Locking verification specific to CMS //////////////
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26 // Much like "assert_lock_strong()", except
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27 // that it relaxes the assertion somewhat for the parallel GC case, where
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28 // main GC thread or the CMS thread might hold the lock on behalf of
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29 // the parallel threads.
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30 class CMSLockVerifier: AllStatic {
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31 public:
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32 static void assert_locked(const Mutex* lock, const Mutex* p_lock)
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33 PRODUCT_RETURN;
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34 static void assert_locked(const Mutex* lock) {
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35 assert_locked(lock, NULL);
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36 }
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37 };
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