1/*
2 * Copyright (c) 2016, 2019, 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.
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23 */
24
25#ifndef SHARE_JFR_RECORDER_STRINGPOOL_JFRSTRINGPOOLWRITER_HPP
26#define SHARE_JFR_RECORDER_STRINGPOOL_JFRSTRINGPOOLWRITER_HPP
27
28#include "memory/allocation.hpp"
29#include "jfr/recorder/stringpool/jfrStringPoolBuffer.hpp"
30#include "jfr/writers/jfrEventWriterHost.hpp"
31#include "jfr/writers/jfrMemoryWriterHost.hpp"
32#include "jfr/writers/jfrStorageAdapter.hpp"
33
34class Thread;
35
36class JfrStringPoolFlush : public StackObj {
37 public:
38 typedef JfrStringPoolBuffer Type;
39 JfrStringPoolFlush(Type* old, size_t used, size_t requested, Thread* t);
40 Type* result() { return _result; }
41 private:
42 Type* _result;
43};
44
45typedef Adapter<JfrStringPoolFlush> JfrStringPoolAdapter;
46typedef AcquireReleaseMemoryWriterHost<JfrStringPoolAdapter, StackObj> JfrTransactionalStringPoolWriter;
47typedef EventWriterHost<BigEndianEncoder, CompressedIntegerEncoder, JfrTransactionalStringPoolWriter> JfrStringPoolWriterBase;
48
49class JfrStringPoolWriter : public JfrStringPoolWriterBase {
50 private:
51 size_t _nof_strings;
52 public:
53 JfrStringPoolWriter(Thread* thread);
54 ~JfrStringPoolWriter();
55 void inc_nof_strings();
56};
57
58#endif // SHARE_JFR_RECORDER_STRINGPOOL_JFRSTRINGPOOLWRITER_HPP
59