author | mgronlun |
Wed, 30 Oct 2019 19:43:52 +0100 | |
changeset 58863 | c16ac7a2eba4 |
parent 53897 | 0abec72a3ac2 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2016, 2019, 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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||
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#ifndef SHARE_JFR_WRITERS_JFRPOSITION_HPP |
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#define SHARE_JFR_WRITERS_JFRPOSITION_HPP |
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#include "utilities/debug.hpp" |
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#include "utilities/globalDefinitions.hpp" |
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template <typename AP> // AllocationPolicy |
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class Position : public AP { |
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private: |
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const u1* _start_pos; // logical start |
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u1* _current_pos; |
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const u1* _end_pos; |
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protected: |
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const u1* start_pos() const; |
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void set_start_pos(const u1* position); |
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u1* current_pos(); |
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void set_current_pos(const u1* new_position); |
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void set_current_pos(size_t size); |
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const u1* end_pos() const; |
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void set_end_pos(const u1* position); |
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Position(const u1* start_pos, size_t size); |
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Position(); |
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public: |
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size_t available_size() const; |
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int64_t used_offset() const; |
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int64_t current_offset() const; |
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size_t used_size() const; |
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void reset(); |
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}; |
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#endif // SHARE_JFR_WRITERS_JFRPOSITION_HPP |