Mercurial > hg > truffle
comparison src/share/vm/services/gcNotifier.hpp @ 3356:78542e2b5e35
7036199: Adding a notification to the implementation of GarbageCollectorMXBeans
Summary: Add a notification to the GarbageCollectorMXBeans
Reviewed-by: acorn, mchung
author | fparain |
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date | Thu, 12 May 2011 10:30:11 -0700 |
parents | |
children | 1891640ca63f |
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3355:f1cbbee6713b | 3356:78542e2b5e35 |
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1 /* | |
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 #ifndef SHARE_VM_SERVICES_GCNOTIFIER_HPP | |
26 #define SHARE_VM_SERVICES_GCNOTIFIER_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 #include "services/memoryPool.hpp" | |
30 #include "services/memoryService.hpp" | |
31 #include "services/memoryManager.hpp" | |
32 | |
33 class GCNotificationRequest : public CHeapObj { | |
34 friend class GCNotifier; | |
35 GCNotificationRequest *next; | |
36 jlong timestamp; | |
37 GCMemoryManager *gcManager; | |
38 const char *gcAction; | |
39 const char *gcCause; | |
40 GCStatInfo *gcStatInfo; | |
41 public: | |
42 GCNotificationRequest(jlong ts, GCMemoryManager *manager, const char*action, const char *cause,GCStatInfo *info) { | |
43 next = NULL; | |
44 timestamp = ts; | |
45 gcManager = manager; | |
46 gcAction = action; | |
47 gcCause = cause; | |
48 gcStatInfo = info; | |
49 } | |
50 | |
51 ~GCNotificationRequest() { | |
52 delete gcStatInfo; | |
53 } | |
54 }; | |
55 | |
56 class GCNotifier : public AllStatic { | |
57 friend class ServiceThread; | |
58 private: | |
59 static GCNotificationRequest *first_request; | |
60 static GCNotificationRequest *last_request; | |
61 static void addRequest(GCNotificationRequest *request); | |
62 static GCNotificationRequest *getRequest(); | |
63 public: | |
64 static void pushNotification(GCMemoryManager *manager, const char *action, const char *cause); | |
65 static bool has_event(); | |
66 static void sendNotification(TRAPS); | |
67 }; | |
68 | |
69 #endif // SHARE_VM_SERVICES_GCNOTIFIER_HPP |