/*

 * Copyright (c) 2018, Red Hat, Inc. All rights reserved.

 *

 * 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_EPSILON_EPSILONTHREADLOCALDATA_HPP

#define SHARE_VM_GC_EPSILON_EPSILONTHREADLOCALDATA_HPP

#include "runtime/thread.hpp"

#include "utilities/debug.hpp"

class EpsilonThreadLocalData {

private:

  size_t _ergo_tlab_size;

  int64_t _last_tlab_time;

  EpsilonThreadLocalData() :

          _ergo_tlab_size(0),

          _last_tlab_time(0) {}

  static EpsilonThreadLocalData* data(Thread* thread) {

    assert(UseEpsilonGC, "Sanity");

    return thread->gc_data<EpsilonThreadLocalData>();

  }

public:

  static void create(Thread* thread) {

    new (data(thread)) EpsilonThreadLocalData();

  }

  static void destroy(Thread* thread) {

    data(thread)->~EpsilonThreadLocalData();

  }

  static size_t ergo_tlab_size(Thread *thread) {

    return data(thread)->_ergo_tlab_size;

  }

  static int64_t last_tlab_time(Thread *thread) {

    return data(thread)->_last_tlab_time;

  }

  static void set_ergo_tlab_size(Thread *thread, size_t val) {

    data(thread)->_ergo_tlab_size = val;

  }

  static void set_last_tlab_time(Thread *thread, int64_t time) {

    data(thread)->_last_tlab_time = time;

  }

};

#endif // SHARE_VM_GC_EPSILON_EPSILONTHREADLOCALDATA_HPP