J. Duke | 8153779 | 2007-12-01 00:00:00 +0000 | [diff] [blame] | 1 | /* |
Per Lidén | 4dc240f | 2015-05-13 15:16:06 +0200 | [diff] [blame] | 2 | * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved. |
J. Duke | 8153779 | 2007-12-01 00:00:00 +0000 | [diff] [blame] | 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 | * |
Erik Trimble | ba7c173 | 2010-05-27 19:08:38 -0700 | [diff] [blame] | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 | * or visit www.oracle.com if you need additional information or have any |
| 21 | * questions. |
J. Duke | 8153779 | 2007-12-01 00:00:00 +0000 | [diff] [blame] | 22 | * |
| 23 | */ |
| 24 | |
Per Lidén | 4dc240f | 2015-05-13 15:16:06 +0200 | [diff] [blame] | 25 | #ifndef SHARE_VM_GC_CMS_CMSLOCKVERIFIER_HPP |
| 26 | #define SHARE_VM_GC_CMS_CMSLOCKVERIFIER_HPP |
Stefan Karlsson | 8006fe8 | 2010-11-23 13:22:55 -0800 | [diff] [blame] | 27 | |
| 28 | #include "runtime/mutex.hpp" |
| 29 | |
J. Duke | 8153779 | 2007-12-01 00:00:00 +0000 | [diff] [blame] | 30 | ///////////// Locking verification specific to CMS ////////////// |
| 31 | // Much like "assert_lock_strong()", except |
| 32 | // that it relaxes the assertion somewhat for the parallel GC case, where |
| 33 | // main GC thread or the CMS thread might hold the lock on behalf of |
| 34 | // the parallel threads. |
| 35 | class CMSLockVerifier: AllStatic { |
| 36 | public: |
Y. Srinivas Ramakrishna | 272a6d4 | 2009-12-23 09:23:54 -0800 | [diff] [blame] | 37 | static void assert_locked(const Mutex* lock, const Mutex* p_lock1, const Mutex* p_lock2) |
J. Duke | 8153779 | 2007-12-01 00:00:00 +0000 | [diff] [blame] | 38 | PRODUCT_RETURN; |
Y. Srinivas Ramakrishna | 272a6d4 | 2009-12-23 09:23:54 -0800 | [diff] [blame] | 39 | static void assert_locked(const Mutex* lock, const Mutex* p_lock) { |
| 40 | assert_locked(lock, p_lock, NULL); |
| 41 | } |
J. Duke | 8153779 | 2007-12-01 00:00:00 +0000 | [diff] [blame] | 42 | static void assert_locked(const Mutex* lock) { |
| 43 | assert_locked(lock, NULL); |
| 44 | } |
| 45 | }; |
Stefan Karlsson | 8006fe8 | 2010-11-23 13:22:55 -0800 | [diff] [blame] | 46 | |
Per Lidén | 4dc240f | 2015-05-13 15:16:06 +0200 | [diff] [blame] | 47 | #endif // SHARE_VM_GC_CMS_CMSLOCKVERIFIER_HPP |