Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/jfr/recorder/repository/jfrChunkWriter.hpp
src/share/vm/jfr/recorder/repository/jfrChunkWriter.hpp
- changeset 9858
- b985cbb00e68
- child 9947
- db357034b763
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| 9727:c7a3e57fdf4a | 9858:b985cbb00e68 |
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| 1 /* | |
| 2 * Copyright (c) 2012, 2018, 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_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP | |
| 26 #define SHARE_VM_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP | |
| 27 | |
| 28 #include "jfr/writers/jfrStorageAdapter.hpp" | |
| 29 #include "jfr/writers/jfrStreamWriterHost.inline.hpp" | |
| 30 #include "jfr/writers/jfrWriterHost.inline.hpp" | |
| 31 | |
| 32 typedef MallocAdapter<M> JfrStreamBuffer; // 1 mb buffered writes | |
| 33 typedef StreamWriterHost<JfrStreamBuffer, JfrCHeapObj> JfrBufferedStreamWriter; | |
| 34 typedef WriterHost<BigEndianEncoder, CompressedIntegerEncoder, JfrBufferedStreamWriter> JfrChunkWriterBase; | |
| 35 | |
| 36 class JfrChunkState; | |
| 37 | |
| 38 class JfrChunkWriter : public JfrChunkWriterBase { | |
| 39 friend class JfrRepository; | |
| 40 private: | |
| 41 JfrChunkState* _chunkstate; | |
| 42 | |
| 43 bool open(); | |
| 44 size_t close(intptr_t metadata_offset); | |
| 45 void write_header(intptr_t metadata_offset); | |
| 46 void set_chunk_path(const char* chunk_path); | |
| 47 | |
| 48 public: | |
| 49 JfrChunkWriter(); | |
| 50 bool initialize(); | |
| 51 intptr_t size_written() const; | |
| 52 intptr_t previous_checkpoint_offset() const; | |
| 53 void set_previous_checkpoint_offset(intptr_t offset); | |
| 54 void time_stamp_chunk_now(); | |
| 55 }; | |
| 56 | |
| 57 #endif // SHARE_VM_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP |
