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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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3911 | 3911 |
3912 enum GCCallbackFlags { | 3912 enum GCCallbackFlags { |
3913 kNoGCCallbackFlags = 0, | 3913 kNoGCCallbackFlags = 0, |
3914 kGCCallbackFlagCompacted = 1 << 0, | 3914 kGCCallbackFlagCompacted = 1 << 0, |
3915 kGCCallbackFlagConstructRetainedObjectInfos = 1 << 1 | 3915 kGCCallbackFlagConstructRetainedObjectInfos = 1 << 1 |
3916 }; | 3916 }; |
3917 | 3917 |
3918 typedef void (*GCPrologueCallback)(GCType type, GCCallbackFlags flags); | 3918 typedef void (*GCPrologueCallback)(GCType type, GCCallbackFlags flags); |
3919 typedef void (*GCEpilogueCallback)(GCType type, GCCallbackFlags flags); | 3919 typedef void (*GCEpilogueCallback)(GCType type, GCCallbackFlags flags); |
3920 | 3920 |
| 3921 typedef void (*InterruptCallback)(Isolate* isolate, void* data); |
| 3922 |
3921 | 3923 |
3922 /** | 3924 /** |
3923 * Collection of V8 heap information. | 3925 * Collection of V8 heap information. |
3924 * | 3926 * |
3925 * Instances of this class can be passed to v8::V8::HeapStatistics to | 3927 * Instances of this class can be passed to v8::V8::HeapStatistics to |
3926 * get heap statistics from V8. | 3928 * get heap statistics from V8. |
3927 */ | 3929 */ |
3928 class V8_EXPORT HeapStatistics { | 3930 class V8_EXPORT HeapStatistics { |
3929 public: | 3931 public: |
3930 HeapStatistics(); | 3932 HeapStatistics(); |
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4167 */ | 4169 */ |
4168 void AddGCEpilogueCallback( | 4170 void AddGCEpilogueCallback( |
4169 GCEpilogueCallback callback, GCType gc_type_filter = kGCTypeAll); | 4171 GCEpilogueCallback callback, GCType gc_type_filter = kGCTypeAll); |
4170 | 4172 |
4171 /** | 4173 /** |
4172 * This function removes callback which was installed by | 4174 * This function removes callback which was installed by |
4173 * AddGCEpilogueCallback function. | 4175 * AddGCEpilogueCallback function. |
4174 */ | 4176 */ |
4175 void RemoveGCEpilogueCallback(GCEpilogueCallback callback); | 4177 void RemoveGCEpilogueCallback(GCEpilogueCallback callback); |
4176 | 4178 |
| 4179 /** |
| 4180 * Request V8 to interrupt long running JavaScript code and invoke |
| 4181 * the given |callback| passing the given |data| to it. After |callback| |
| 4182 * returns control will be returned to the JavaScript code. |
| 4183 * At any given moment V8 can remember only a single callback for the very |
| 4184 * last interrupt request. |
| 4185 * Can be called from another thread without acquiring a |Locker|. |
| 4186 * Registered |callback| must not reenter interrupted Isolate. |
| 4187 */ |
| 4188 void RequestInterrupt(InterruptCallback callback, void* data); |
| 4189 |
| 4190 /** |
| 4191 * Clear interrupt request created by |RequestInterrupt|. |
| 4192 * Can be called from another thread without acquiring a |Locker|. |
| 4193 */ |
| 4194 void ClearInterrupt(); |
| 4195 |
4177 private: | 4196 private: |
4178 Isolate(); | 4197 Isolate(); |
4179 Isolate(const Isolate&); | 4198 Isolate(const Isolate&); |
4180 ~Isolate(); | 4199 ~Isolate(); |
4181 Isolate& operator=(const Isolate&); | 4200 Isolate& operator=(const Isolate&); |
4182 void* operator new(size_t size); | 4201 void* operator new(size_t size); |
4183 void operator delete(void*, size_t); | 4202 void operator delete(void*, size_t); |
4184 | 4203 |
4185 void SetObjectGroupId(internal::Object** object, UniqueId id); | 4204 void SetObjectGroupId(internal::Object** object, UniqueId id); |
4186 void SetReferenceFromGroup(UniqueId id, internal::Object** object); | 4205 void SetReferenceFromGroup(UniqueId id, internal::Object** object); |
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6436 */ | 6455 */ |
6437 | 6456 |
6438 | 6457 |
6439 } // namespace v8 | 6458 } // namespace v8 |
6440 | 6459 |
6441 | 6460 |
6442 #undef TYPE_CHECK | 6461 #undef TYPE_CHECK |
6443 | 6462 |
6444 | 6463 |
6445 #endif // V8_H_ | 6464 #endif // V8_H_ |
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