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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 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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31 #ifndef V8GCController_h | 31 #ifndef V8GCController_h |
32 #define V8GCController_h | 32 #define V8GCController_h |
33 | 33 |
34 #include "core/CoreExport.h" | 34 #include "core/CoreExport.h" |
35 #include "platform/heap/Handle.h" | 35 #include "platform/heap/Handle.h" |
36 #include "wtf/Allocator.h" | 36 #include "wtf/Allocator.h" |
37 #include <v8.h> | 37 #include <v8.h> |
38 | 38 |
39 namespace blink { | 39 namespace blink { |
40 | 40 |
| 41 class ExecutionContext; |
41 class Node; | 42 class Node; |
42 | 43 |
43 class CORE_EXPORT V8GCController { | 44 class CORE_EXPORT V8GCController { |
44 STATIC_ONLY(V8GCController); | 45 STATIC_ONLY(V8GCController); |
45 public: | 46 public: |
46 static void gcPrologue(v8::Isolate*, v8::GCType, v8::GCCallbackFlags); | 47 static void gcPrologue(v8::Isolate*, v8::GCType, v8::GCCallbackFlags); |
47 static void gcEpilogue(v8::Isolate*, v8::GCType, v8::GCCallbackFlags); | 48 static void gcEpilogue(v8::Isolate*, v8::GCType, v8::GCCallbackFlags); |
48 | 49 |
49 static void collectGarbage(v8::Isolate*); | 50 static void collectGarbage(v8::Isolate*); |
50 // You should use collectAllGarbageForTesting() when you want to collect all | 51 // You should use collectAllGarbageForTesting() when you want to collect all |
51 // V8 & Blink objects. It runs multiple V8 GCs to collect references | 52 // V8 & Blink objects. It runs multiple V8 GCs to collect references |
52 // that cross the binding boundary. collectAllGarbage() also runs multipe | 53 // that cross the binding boundary. collectAllGarbage() also runs multipe |
53 // Oilpan GCs to collect a chain of persistent handles. | 54 // Oilpan GCs to collect a chain of persistent handles. |
54 static void collectAllGarbageForTesting(v8::Isolate*); | 55 static void collectAllGarbageForTesting(v8::Isolate*); |
55 | 56 |
56 static Node* opaqueRootForGC(v8::Isolate*, Node*); | 57 static Node* opaqueRootForGC(v8::Isolate*, Node*); |
57 | 58 |
58 static void reportDOMMemoryUsageToV8(v8::Isolate*); | 59 static void reportDOMMemoryUsageToV8(v8::Isolate*); |
59 | 60 |
60 static void traceDOMWrappers(v8::Isolate*, Visitor*); | 61 static void traceDOMWrappers(v8::Isolate*, Visitor*); |
| 62 static bool hasPendingActivity(ExecutionContext*); |
61 }; | 63 }; |
62 | 64 |
63 } // namespace blink | 65 } // namespace blink |
64 | 66 |
65 #endif // V8GCController_h | 67 #endif // V8GCController_h |
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