44 lines
1.7 KiB
C++
44 lines
1.7 KiB
C++
/*
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* Copyright (c) 2000, 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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#ifndef SHARE_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP
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#define SHARE_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP
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#include "gc/shared/cardTableBarrierSet.hpp"
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#include "gc/shared/cardTable.hpp"
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#include "runtime/orderAccess.hpp"
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template <DecoratorSet decorators, typename T>
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inline void CardTableBarrierSet::write_ref_field_post(T* field, oop newVal) {
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volatile CardValue* byte = _card_table->byte_for(field);
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if (_card_table->scanned_concurrently()) {
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// Perform a releasing store if the card table is scanned concurrently
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OrderAccess::release_store(byte, CardTable::dirty_card_val());
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} else {
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*byte = CardTable::dirty_card_val();
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}
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}
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#endif // SHARE_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP
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