src/hotspot/share/services/gcNotifier.hpp
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
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parent 13195 hotspot/src/share/vm/services/gcNotifier.hpp@be27e1b6a4b9
child 53244 9807daeb47c4
permissions -rw-r--r--
8187443: Forest Consolidation: Move files to unified layout Reviewed-by: darcy, ihse
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/*
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 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_SERVICES_GCNOTIFIER_HPP
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#define SHARE_VM_SERVICES_GCNOTIFIER_HPP
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#include "memory/allocation.hpp"
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#include "services/memoryPool.hpp"
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#include "services/memoryService.hpp"
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#include "services/memoryManager.hpp"
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class GCNotificationRequest : public CHeapObj<mtInternal> {
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  friend class GCNotifier;
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  GCNotificationRequest *next;
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  jlong timestamp;
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  GCMemoryManager *gcManager;
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  const char *gcAction;
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  const char *gcCause;
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  GCStatInfo *gcStatInfo;
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public:
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  GCNotificationRequest(jlong ts, GCMemoryManager *manager, const char*action, const char *cause,GCStatInfo *info) {
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    next = NULL;
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    timestamp = ts;
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    gcManager = manager;
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    gcAction = action;
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    gcCause = cause;
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    gcStatInfo = info;
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  }
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  ~GCNotificationRequest() {
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    delete gcStatInfo;
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  }
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};
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class GCNotifier : public AllStatic {
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  friend class ServiceThread;
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private:
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  static GCNotificationRequest *first_request;
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  static GCNotificationRequest *last_request;
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  static void addRequest(GCNotificationRequest *request);
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  static GCNotificationRequest *getRequest();
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  static void sendNotificationInternal(TRAPS);
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public:
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  static void pushNotification(GCMemoryManager *manager, const char *action, const char *cause);
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  static bool has_event();
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  static void sendNotification(TRAPS);
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};
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#endif // SHARE_VM_SERVICES_GCNOTIFIER_HPP