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1 /* | 1 /* |
2 * Copyright (C) 2014 Google Inc. All rights reserved. | 2 * Copyright (C) 2014 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef PendingGCRunner_h | 31 #ifndef PendingGCRunner_h |
32 #define PendingGCRunner_h | 32 #define PendingGCRunner_h |
33 | 33 |
34 #include "platform/heap/ThreadState.h" | 34 #include "platform/heap/ThreadState.h" |
35 #include "public/platform/WebThread.h" | 35 #include "public/platform/WebThread.h" |
36 | 36 |
37 namespace WebCore { | 37 namespace blink { |
38 | 38 |
39 class PendingGCRunner : public blink::WebThread::TaskObserver { | 39 class PendingGCRunner : public blink::WebThread::TaskObserver { |
40 public: | 40 public: |
41 PendingGCRunner() : m_nesting(0) { } | 41 PendingGCRunner() : m_nesting(0) { } |
42 | 42 |
43 ~PendingGCRunner() | 43 ~PendingGCRunner() |
44 { | 44 { |
45 // m_nesting can be 1 if this was unregistered in a task and | 45 // m_nesting can be 1 if this was unregistered in a task and |
46 // didProcessTask was not called. | 46 // didProcessTask was not called. |
47 ASSERT(!m_nesting || m_nesting == 1); | 47 ASSERT(!m_nesting || m_nesting == 1); |
48 } | 48 } |
49 | 49 |
50 virtual void willProcessTask() | 50 virtual void willProcessTask() |
51 { | 51 { |
52 m_nesting++; | 52 m_nesting++; |
53 } | 53 } |
54 | 54 |
55 virtual void didProcessTask() | 55 virtual void didProcessTask() |
56 { | 56 { |
57 // In the production code WebKit::initialize is called from inside the | 57 // In the production code WebKit::initialize is called from inside the |
58 // message loop so we can get didProcessTask() without corresponding | 58 // message loop so we can get didProcessTask() without corresponding |
59 // willProcessTask once. This is benign. | 59 // willProcessTask once. This is benign. |
60 if (m_nesting) | 60 if (m_nesting) |
61 m_nesting--; | 61 m_nesting--; |
62 | 62 |
63 WebCore::ThreadState* state = WebCore::ThreadState::current(); | 63 blink::ThreadState* state = blink::ThreadState::current(); |
64 state->safePoint(m_nesting ? WebCore::ThreadState::HeapPointersOnStack :
WebCore::ThreadState::NoHeapPointersOnStack); | 64 state->safePoint(m_nesting ? blink::ThreadState::HeapPointersOnStack : b
link::ThreadState::NoHeapPointersOnStack); |
65 } | 65 } |
66 | 66 |
67 private: | 67 private: |
68 int m_nesting; | 68 int m_nesting; |
69 }; | 69 }; |
70 | 70 |
71 } | 71 } |
72 | 72 |
73 #endif | 73 #endif |
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