src/hotspot/share/gc/shared/strongRootsScope.cpp
author stefank
Thu, 22 Feb 2018 18:36:32 +0100
changeset 49048 4e8c86b75428
parent 47216 71c04702a3d5
child 50445 bd6b78feb6a3
permissions -rw-r--r--
8198525: Move _size_policy out of GenCollectorPolicy into GenCollectedHeap Reviewed-by: pliden, sjohanss
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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 "gc/shared/strongRootsScope.hpp"
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#include "runtime/thread.hpp"
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MarkScope::MarkScope() {
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  nmethod::oops_do_marking_prologue();
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}
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MarkScope::~MarkScope() {
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  nmethod::oops_do_marking_epilogue();
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}
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StrongRootsScope::StrongRootsScope(uint n_threads) : _n_threads(n_threads) {
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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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StrongRootsScope::~StrongRootsScope() {
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  Threads::assert_all_threads_claimed();
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}