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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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4110 | 4110 |
4111 enum GCCallbackFlags { | 4111 enum GCCallbackFlags { |
4112 kNoGCCallbackFlags = 0, | 4112 kNoGCCallbackFlags = 0, |
4113 kGCCallbackFlagCompacted = 1 << 0, | 4113 kGCCallbackFlagCompacted = 1 << 0, |
4114 kGCCallbackFlagConstructRetainedObjectInfos = 1 << 1 | 4114 kGCCallbackFlagConstructRetainedObjectInfos = 1 << 1 |
4115 }; | 4115 }; |
4116 | 4116 |
4117 typedef void (*GCPrologueCallback)(GCType type, GCCallbackFlags flags); | 4117 typedef void (*GCPrologueCallback)(GCType type, GCCallbackFlags flags); |
4118 typedef void (*GCEpilogueCallback)(GCType type, GCCallbackFlags flags); | 4118 typedef void (*GCEpilogueCallback)(GCType type, GCCallbackFlags flags); |
4119 | 4119 |
| 4120 typedef void (*InterruptCallback)(Isolate* isolate, void* data); |
| 4121 |
4120 | 4122 |
4121 /** | 4123 /** |
4122 * Collection of V8 heap information. | 4124 * Collection of V8 heap information. |
4123 * | 4125 * |
4124 * Instances of this class can be passed to v8::V8::HeapStatistics to | 4126 * Instances of this class can be passed to v8::V8::HeapStatistics to |
4125 * get heap statistics from V8. | 4127 * get heap statistics from V8. |
4126 */ | 4128 */ |
4127 class V8_EXPORT HeapStatistics { | 4129 class V8_EXPORT HeapStatistics { |
4128 public: | 4130 public: |
4129 HeapStatistics(); | 4131 HeapStatistics(); |
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4370 */ | 4372 */ |
4371 void AddGCEpilogueCallback( | 4373 void AddGCEpilogueCallback( |
4372 GCEpilogueCallback callback, GCType gc_type_filter = kGCTypeAll); | 4374 GCEpilogueCallback callback, GCType gc_type_filter = kGCTypeAll); |
4373 | 4375 |
4374 /** | 4376 /** |
4375 * This function removes callback which was installed by | 4377 * This function removes callback which was installed by |
4376 * AddGCEpilogueCallback function. | 4378 * AddGCEpilogueCallback function. |
4377 */ | 4379 */ |
4378 void RemoveGCEpilogueCallback(GCEpilogueCallback callback); | 4380 void RemoveGCEpilogueCallback(GCEpilogueCallback callback); |
4379 | 4381 |
| 4382 /** |
| 4383 * Request V8 to interrupt long running JavaScript code and invoke |
| 4384 * the given |callback| passing the given |data| to it. After |callback| |
| 4385 * returns control will be returned to the JavaScript code. |
| 4386 * At any given moment V8 can remember only a single callback for the very |
| 4387 * last interrupt request. |
| 4388 * Can be called from another thread without acquiring a |Locker|. |
| 4389 * Registered |callback| must not reenter interrupted Isolate. |
| 4390 */ |
| 4391 void RequestInterrupt(InterruptCallback callback, void* data); |
| 4392 |
| 4393 /** |
| 4394 * Clear interrupt request created by |RequestInterrupt|. |
| 4395 * Can be called from another thread without acquiring a |Locker|. |
| 4396 */ |
| 4397 void ClearInterrupt(); |
| 4398 |
4380 private: | 4399 private: |
4381 Isolate(); | 4400 Isolate(); |
4382 Isolate(const Isolate&); | 4401 Isolate(const Isolate&); |
4383 ~Isolate(); | 4402 ~Isolate(); |
4384 Isolate& operator=(const Isolate&); | 4403 Isolate& operator=(const Isolate&); |
4385 void* operator new(size_t size); | 4404 void* operator new(size_t size); |
4386 void operator delete(void*, size_t); | 4405 void operator delete(void*, size_t); |
4387 | 4406 |
4388 void SetObjectGroupId(internal::Object** object, UniqueId id); | 4407 void SetObjectGroupId(internal::Object** object, UniqueId id); |
4389 void SetReferenceFromGroup(UniqueId id, internal::Object** object); | 4408 void SetReferenceFromGroup(UniqueId id, internal::Object** object); |
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6759 */ | 6778 */ |
6760 | 6779 |
6761 | 6780 |
6762 } // namespace v8 | 6781 } // namespace v8 |
6763 | 6782 |
6764 | 6783 |
6765 #undef TYPE_CHECK | 6784 #undef TYPE_CHECK |
6766 | 6785 |
6767 | 6786 |
6768 #endif // V8_H_ | 6787 #endif // V8_H_ |
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