1/*
2 * Copyright (c) 2016, 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 "jfr/recorder/stringpool/jfrStringPoolBuffer.hpp"
27
28JfrStringPoolBuffer::JfrStringPoolBuffer() : JfrBuffer(), _string_count_pos(0), _string_count_top(0) {}
29
30void JfrStringPoolBuffer::reinitialize() {
31 assert(acquired_by_self() || retired(), "invariant");
32 set_string_pos(0);
33 set_string_top(0);
34 JfrBuffer::reinitialize();
35}
36
37uint64_t JfrStringPoolBuffer::string_pos() const {
38 assert(acquired_by_self() || retired(), "invariant");
39 return _string_count_pos;
40}
41
42uint64_t JfrStringPoolBuffer::string_top() const {
43 assert(acquired_by_self() || retired(), "invariant");
44 return _string_count_top;
45}
46
47uint64_t JfrStringPoolBuffer::string_count() const {
48 assert(acquired_by_self() || retired(), "invariant");
49 return string_pos() - string_top();
50}
51
52void JfrStringPoolBuffer::set_string_pos(uint64_t value) {
53 assert(acquired_by_self() || retired(), "invariant");
54 _string_count_pos = value;
55}
56
57void JfrStringPoolBuffer::increment(uint64_t value) {
58 assert(acquired_by_self(), "invariant");
59 ++_string_count_pos;
60}
61
62void JfrStringPoolBuffer::set_string_top(uint64_t value) {
63 assert(acquired_by_self() || retired(), "invariant");
64 _string_count_top = value;
65}
66