76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* Copyright (c) 2017, 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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#ifndef SHARE_GC_Z_ZRELOCATIONSET_HPP
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#define SHARE_GC_Z_ZRELOCATIONSET_HPP
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#include "memory/allocation.hpp"
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class ZForwarding;
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class ZPage;
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class ZRelocationSet {
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template <bool> friend class ZRelocationSetIteratorImpl;
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private:
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ZForwarding** _forwardings;
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size_t _nforwardings;
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public:
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ZRelocationSet();
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void populate(ZPage* const* group0, size_t ngroup0,
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ZPage* const* group1, size_t ngroup1);
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void reset();
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};
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template <bool parallel>
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class ZRelocationSetIteratorImpl : public StackObj {
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private:
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ZRelocationSet* const _relocation_set;
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size_t _next;
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public:
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ZRelocationSetIteratorImpl(ZRelocationSet* relocation_set);
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bool next(ZForwarding** forwarding);
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};
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// Iterator types
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#define ZRELOCATIONSET_SERIAL false
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#define ZRELOCATIONSET_PARALLEL true
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class ZRelocationSetIterator : public ZRelocationSetIteratorImpl<ZRELOCATIONSET_SERIAL> {
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public:
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ZRelocationSetIterator(ZRelocationSet* relocation_set) :
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ZRelocationSetIteratorImpl<ZRELOCATIONSET_SERIAL>(relocation_set) {}
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};
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class ZRelocationSetParallelIterator : public ZRelocationSetIteratorImpl<ZRELOCATIONSET_PARALLEL> {
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public:
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ZRelocationSetParallelIterator(ZRelocationSet* relocation_set) :
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ZRelocationSetIteratorImpl<ZRELOCATIONSET_PARALLEL>(relocation_set) {}
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};
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#endif // SHARE_GC_Z_ZRELOCATIONSET_HPP
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