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annotate src/share/vm/services/gcNotifier.hpp @ 12146:9758d9f36299

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8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced Summary: declare all user-defined operator new()s within Hotspot code with the empty throw() exception specification Reviewed-by: coleenp, twisti, dholmes, hseigel, dcubed, kvn, ccheung Contributed-by: lois.foltan@oracle.com
author coleenp
date Thu, 29 Aug 2013 18:56:29 -0400
parents d2a62e0f25eb
children
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1 /*
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2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef SHARE_VM_SERVICES_GCNOTIFIER_HPP
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26 #define SHARE_VM_SERVICES_GCNOTIFIER_HPP
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27
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28 #include "memory/allocation.hpp"
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29 #include "services/memoryPool.hpp"
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30 #include "services/memoryService.hpp"
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31 #include "services/memoryManager.hpp"
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32
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33 class GCNotificationRequest : public CHeapObj<mtInternal> {
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34 friend class GCNotifier;
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35 GCNotificationRequest *next;
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36 jlong timestamp;
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37 GCMemoryManager *gcManager;
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38 const char *gcAction;
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39 const char *gcCause;
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40 GCStatInfo *gcStatInfo;
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41 public:
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42 GCNotificationRequest(jlong ts, GCMemoryManager *manager, const char*action, const char *cause,GCStatInfo *info) {
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43 next = NULL;
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44 timestamp = ts;
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45 gcManager = manager;
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46 gcAction = action;
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47 gcCause = cause;
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48 gcStatInfo = info;
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49 }
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50
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51 ~GCNotificationRequest() {
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52 delete gcStatInfo;
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53 }
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54 };
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55
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56 class GCNotifier : public AllStatic {
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57 friend class ServiceThread;
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58 private:
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59 static GCNotificationRequest *first_request;
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60 static GCNotificationRequest *last_request;
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61 static void addRequest(GCNotificationRequest *request);
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62 static GCNotificationRequest *getRequest();
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63 static void sendNotificationInternal(TRAPS);
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64 public:
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65 static void pushNotification(GCMemoryManager *manager, const char *action, const char *cause);
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66 static bool has_event();
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67 static void sendNotification(TRAPS);
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68 };
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69
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70 #endif // SHARE_VM_SERVICES_GCNOTIFIER_HPP