/*

 * Copyright (c) 2002, 2010, 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

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 */

#ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSLOCKVERIFIER_HPP

#define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_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_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSLOCKVERIFIER_HPP