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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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3966 | 3966 |
3967 private: | 3967 private: |
3968 Isolate* const isolate_; | 3968 Isolate* const isolate_; |
3969 | 3969 |
3970 // Prevent copying of Scope objects. | 3970 // Prevent copying of Scope objects. |
3971 Scope(const Scope&); | 3971 Scope(const Scope&); |
3972 Scope& operator=(const Scope&); | 3972 Scope& operator=(const Scope&); |
3973 }; | 3973 }; |
3974 | 3974 |
3975 /** | 3975 /** |
| 3976 * Types of garbage collections that can be requested via |
| 3977 * RequestGarbageCollectionForTesting. |
| 3978 */ |
| 3979 enum GarbageCollectionType { |
| 3980 kFullGarbageCollection, |
| 3981 kMinorGarbageCollection |
| 3982 }; |
| 3983 |
| 3984 /** |
3976 * Creates a new isolate. Does not change the currently entered | 3985 * Creates a new isolate. Does not change the currently entered |
3977 * isolate. | 3986 * isolate. |
3978 * | 3987 * |
3979 * When an isolate is no longer used its resources should be freed | 3988 * When an isolate is no longer used its resources should be freed |
3980 * by calling Dispose(). Using the delete operator is not allowed. | 3989 * by calling Dispose(). Using the delete operator is not allowed. |
3981 */ | 3990 */ |
3982 static Isolate* New(); | 3991 static Isolate* New(); |
3983 | 3992 |
3984 /** | 3993 /** |
3985 * Returns the entered isolate for the current thread or NULL in | 3994 * Returns the entered isolate for the current thread or NULL in |
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4177 * Registered |callback| must not reenter interrupted Isolate. | 4186 * Registered |callback| must not reenter interrupted Isolate. |
4178 */ | 4187 */ |
4179 void RequestInterrupt(InterruptCallback callback, void* data); | 4188 void RequestInterrupt(InterruptCallback callback, void* data); |
4180 | 4189 |
4181 /** | 4190 /** |
4182 * Clear interrupt request created by |RequestInterrupt|. | 4191 * Clear interrupt request created by |RequestInterrupt|. |
4183 * Can be called from another thread without acquiring a |Locker|. | 4192 * Can be called from another thread without acquiring a |Locker|. |
4184 */ | 4193 */ |
4185 void ClearInterrupt(); | 4194 void ClearInterrupt(); |
4186 | 4195 |
| 4196 /** |
| 4197 * Request garbage collection in this Isolate. It is only valid to call this |
| 4198 * function if --expose_gc was specified. |
| 4199 * |
| 4200 * This should only be used for testing purposes and not to enforce a garbage |
| 4201 * collection schedule. It has strong negative impact on the garbage |
| 4202 * collection performance. Use IdleNotification() or LowMemoryNotification() |
| 4203 * instead to influence the garbage collection schedule. |
| 4204 */ |
| 4205 void RequestGarbageCollectionForTesting(GarbageCollectionType type); |
| 4206 |
4187 private: | 4207 private: |
4188 Isolate(); | 4208 Isolate(); |
4189 Isolate(const Isolate&); | 4209 Isolate(const Isolate&); |
4190 ~Isolate(); | 4210 ~Isolate(); |
4191 Isolate& operator=(const Isolate&); | 4211 Isolate& operator=(const Isolate&); |
4192 void* operator new(size_t size); | 4212 void* operator new(size_t size); |
4193 void operator delete(void*, size_t); | 4213 void operator delete(void*, size_t); |
4194 | 4214 |
4195 void SetObjectGroupId(internal::Object** object, UniqueId id); | 4215 void SetObjectGroupId(internal::Object** object, UniqueId id); |
4196 void SetReferenceFromGroup(UniqueId id, internal::Object** object); | 4216 void SetReferenceFromGroup(UniqueId id, internal::Object** object); |
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6428 */ | 6448 */ |
6429 | 6449 |
6430 | 6450 |
6431 } // namespace v8 | 6451 } // namespace v8 |
6432 | 6452 |
6433 | 6453 |
6434 #undef TYPE_CHECK | 6454 #undef TYPE_CHECK |
6435 | 6455 |
6436 | 6456 |
6437 #endif // V8_H_ | 6457 #endif // V8_H_ |
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