/*

 * Copyright (c) 2015, 2017, 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_GC_Z_ZLOCK_HPP

#define SHARE_GC_Z_ZLOCK_HPP

#include "memory/allocation.hpp"

#include <pthread.h>

class ZLock {

private:

  pthread_mutex_t _lock;

public:

  ZLock();

  void lock();

  bool try_lock();

  void unlock();

};

class ZLocker : public StackObj {

private:

  ZLock* const _lock;

public:

  ZLocker(ZLock* lock);

  ~ZLocker();

};

#endif // SHARE_GC_Z_ZLOCK_HPP