1/*
2 * Copyright (C) 2014 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef FullGCActivityCallback_h
27#define FullGCActivityCallback_h
28
29#include "GCActivityCallback.h"
30
31namespace JSC {
32
33class JS_EXPORT_PRIVATE FullGCActivityCallback : public GCActivityCallback {
34public:
35 FullGCActivityCallback(Heap*);
36
37 virtual void doCollection() override;
38
39 bool didSyncGCRecently() const { return m_didSyncGCRecently; }
40 void setDidSyncGCRecently() { m_didSyncGCRecently = true; }
41
42protected:
43#if USE(CF)
44 FullGCActivityCallback(Heap* heap, CFRunLoopRef runLoop)
45 : GCActivityCallback(heap, runLoop)
46 {
47 }
48#endif
49
50 virtual double lastGCLength() override;
51 virtual double gcTimeSlice(size_t bytes) override;
52 virtual double deathRate() override;
53
54 bool m_didSyncGCRecently { false };
55};
56
57inline RefPtr<FullGCActivityCallback> GCActivityCallback::createFullTimer(Heap* heap)
58{
59 return s_shouldCreateGCTimer ? adoptRef(new FullGCActivityCallback(heap)) : nullptr;
60}
61
62} // namespace JSC
63
64#endif // FullGCActivityCallback_h
65