/*

 * Copyright (c) 2011, 2019, 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_SERVICES_GCNOTIFIER_HPP

#define SHARE_SERVICES_GCNOTIFIER_HPP

#include "memory/allocation.hpp"

#include "services/memoryPool.hpp"

#include "services/memoryService.hpp"

#include "services/memoryManager.hpp"

class GCNotificationRequest : public CHeapObj<mtInternal> {

  friend class GCNotifier;

  GCNotificationRequest *next;

  jlong timestamp;

  GCMemoryManager *gcManager;

  const char *gcAction;

  const char *gcCause;

  GCStatInfo *gcStatInfo;

public:

  GCNotificationRequest(jlong ts, GCMemoryManager *manager, const char*action, const char *cause,GCStatInfo *info) {

    next = NULL;

    timestamp = ts;

    gcManager = manager;

    gcAction = action;

    gcCause = cause;

    gcStatInfo = info;

  }

  ~GCNotificationRequest() {

    delete gcStatInfo;

  }

};

class GCNotifier : public AllStatic {

  friend class ServiceThread;

private:

  static GCNotificationRequest *first_request;

  static GCNotificationRequest *last_request;

  static void addRequest(GCNotificationRequest *request);

  static GCNotificationRequest *getRequest();

  static void sendNotificationInternal(TRAPS);

public:

  static void pushNotification(GCMemoryManager *manager, const char *action, const char *cause);

  static bool has_event();

  static void sendNotification(TRAPS);

};

#endif // SHARE_SERVICES_GCNOTIFIER_HPP