/* * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_GC_CMS_CMSLOCKVERIFIER_HPP #define SHARE_VM_GC_CMS_CMSLOCKVERIFIER_HPP #include "runtime/mutex.hpp" ///////////// Locking verification specific to CMS ////////////// // Much like "assert_lock_strong()", except // that it relaxes the assertion somewhat for the parallel GC case, where // main GC thread or the CMS thread might hold the lock on behalf of // the parallel threads. class CMSLockVerifier: AllStatic { public: static void assert_locked(const Mutex* lock, const Mutex* p_lock1, const Mutex* p_lock2) PRODUCT_RETURN; static void assert_locked(const Mutex* lock, const Mutex* p_lock) { assert_locked(lock, p_lock, NULL); } static void assert_locked(const Mutex* lock) { assert_locked(lock, NULL); } }; #endif // SHARE_VM_GC_CMS_CMSLOCKVERIFIER_HPP