54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
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/*
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* Copyright (c) 2015, 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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#include "precompiled.hpp"
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#include "classfile/stringTable.hpp"
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#include "code/nmethod.hpp"
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#include "memory/strongRootsScope.hpp"
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#include "runtime/thread.hpp"
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MarkScope::MarkScope(bool activate) : _active(activate) {
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if (_active) {
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nmethod::oops_do_marking_prologue();
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}
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}
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MarkScope::~MarkScope() {
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if (_active) {
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nmethod::oops_do_marking_epilogue();
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}
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}
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StrongRootsScope::StrongRootsScope(bool activate) : MarkScope(activate) {
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if (_active) {
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Threads::change_thread_claim_parity();
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// Zero the claimed high water mark in the StringTable
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StringTable::clear_parallel_claimed_index();
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}
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}
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StrongRootsScope::~StrongRootsScope() {
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Threads::assert_all_threads_claimed();
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}
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