src/hotspot/share/gc/z/zDirector.hpp

/*
 * Copyright (c) 2015, 2024, 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.
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */

#ifndef SHARE_GC_Z_ZDIRECTOR_HPP
#define SHARE_GC_Z_ZDIRECTOR_HPP

#include "gc/z/zLock.hpp"
#include "gc/z/zThread.hpp"

class ZDirector : public ZThread {
private:
  static const uint64_t DecisionHz = 100;
  static ZDirector* _director;

  ZConditionLock _monitor;
  bool           _stopped;

  bool wait_for_tick();

protected:
  virtual void run_thread();
  virtual void terminate();

public:
  ZDirector();

  static void evaluate_rules();
};

#endif // SHARE_GC_Z_ZDIRECTOR_HPP