aoqi@0: /*
aoqi@0:  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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aoqi@0:  * questions.
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aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSLOCKVERIFIER_HPP
aoqi@0: #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSLOCKVERIFIER_HPP
aoqi@0: 
aoqi@0: #include "runtime/mutex.hpp"
aoqi@0: 
aoqi@0: ///////////// Locking verification specific to CMS //////////////
aoqi@0: // Much like "assert_lock_strong()", except
aoqi@0: // that it relaxes the assertion somewhat for the parallel GC case, where
aoqi@0: // main GC thread or the CMS thread might hold the lock on behalf of
aoqi@0: // the parallel threads.
aoqi@0: class CMSLockVerifier: AllStatic {
aoqi@0:  public:
aoqi@0:   static void assert_locked(const Mutex* lock, const Mutex* p_lock1, const Mutex* p_lock2)
aoqi@0:     PRODUCT_RETURN;
aoqi@0:   static void assert_locked(const Mutex* lock, const Mutex* p_lock) {
aoqi@0:     assert_locked(lock, p_lock, NULL);
aoqi@0:   }
aoqi@0:   static void assert_locked(const Mutex* lock) {
aoqi@0:     assert_locked(lock, NULL);
aoqi@0:   }
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSLOCKVERIFIER_HPP