1/*
2 * Copyright (C) 2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "SynchronousStopTheWorldMutatorScheduler.h"
28
29namespace JSC {
30
31SynchronousStopTheWorldMutatorScheduler::SynchronousStopTheWorldMutatorScheduler()
32{
33}
34
35SynchronousStopTheWorldMutatorScheduler::~SynchronousStopTheWorldMutatorScheduler()
36{
37}
38
39MutatorScheduler::State SynchronousStopTheWorldMutatorScheduler::state() const
40{
41 return m_state;
42}
43
44void SynchronousStopTheWorldMutatorScheduler::beginCollection()
45{
46 RELEASE_ASSERT(m_state == Normal);
47 m_state = Stopped;
48}
49
50MonotonicTime SynchronousStopTheWorldMutatorScheduler::timeToStop()
51{
52 return m_state == Normal ? MonotonicTime::infinity() : MonotonicTime::now();
53}
54
55MonotonicTime SynchronousStopTheWorldMutatorScheduler::timeToResume()
56{
57 return m_state == Normal ? MonotonicTime::now() : MonotonicTime::infinity();
58}
59
60void SynchronousStopTheWorldMutatorScheduler::endCollection()
61{
62 RELEASE_ASSERT(m_state == Stopped);
63 m_state = Normal;
64}
65
66} // namespace JSC
67
68