1/*
2 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#include "precompiled.hpp"
26#include "classfile/stringTable.hpp"
27#include "code/nmethod.hpp"
28#include "gc/shared/strongRootsScope.hpp"
29#include "runtime/thread.hpp"
30
31MarkScope::MarkScope() {
32 nmethod::oops_do_marking_prologue();
33}
34
35MarkScope::~MarkScope() {
36 nmethod::oops_do_marking_epilogue();
37}
38
39StrongRootsScope::StrongRootsScope(uint n_threads) : _n_threads(n_threads) {
40 Threads::change_thread_claim_token();
41}
42
43StrongRootsScope::~StrongRootsScope() {
44 Threads::assert_all_threads_claimed();
45}
46