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Issue 12790004: Made AdjustAmountOfExternalAllocatedMemory an instance method of Isolate (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Feedback Created 7 years, 9 months ago
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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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3000 * Retrieve embedder-specific data from the isolate. 3000 * Retrieve embedder-specific data from the isolate.
3001 * Returns NULL if SetData has never been called. 3001 * Returns NULL if SetData has never been called.
3002 */ 3002 */
3003 V8_INLINE(void* GetData()); 3003 V8_INLINE(void* GetData());
3004 3004
3005 /** 3005 /**
3006 * Get statistics about the heap memory usage. 3006 * Get statistics about the heap memory usage.
3007 */ 3007 */
3008 void GetHeapStatistics(HeapStatistics* heap_statistics); 3008 void GetHeapStatistics(HeapStatistics* heap_statistics);
3009 3009
3010 /**
3011 * Adjusts the amount of registered external memory. Used to give V8 an
3012 * indication of the amount of externally allocated memory that is kept alive
3013 * by JavaScript objects. V8 uses this to decide when to perform global
3014 * garbage collections. Registering externally allocated memory will trigger
3015 * global garbage collections more often than it would otherwise in an attempt
3016 * to garbage collect the JavaScript objects that keep the externally
3017 * allocated memory alive.
3018 *
3019 * \param change_in_bytes the change in externally allocated memory that is
3020 * kept alive by JavaScript objects.
3021 * \returns the adjusted value.
3022 */
3023 intptr_t AdjustAmountOfExternalAllocatedMemory(intptr_t change_in_bytes);
3024
3010 private: 3025 private:
3011 Isolate(); 3026 Isolate();
3012 Isolate(const Isolate&); 3027 Isolate(const Isolate&);
3013 ~Isolate(); 3028 ~Isolate();
3014 Isolate& operator=(const Isolate&); 3029 Isolate& operator=(const Isolate&);
3015 void* operator new(size_t size); 3030 void* operator new(size_t size);
3016 void operator delete(void*, size_t); 3031 void operator delete(void*, size_t);
3017 }; 3032 };
3018 3033
3019 3034
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3480 * are not guaranteed to live past each call. The \p event_handler must 3495 * are not guaranteed to live past each call. The \p event_handler must
3481 * copy strings and other parameters it needs to keep around. 3496 * copy strings and other parameters it needs to keep around.
3482 * \note the set of events declared in JitCodeEvent::EventType is expected to 3497 * \note the set of events declared in JitCodeEvent::EventType is expected to
3483 * grow over time, and the JitCodeEvent structure is expected to accrue 3498 * grow over time, and the JitCodeEvent structure is expected to accrue
3484 * new members. The \p event_handler function must ignore event codes 3499 * new members. The \p event_handler function must ignore event codes
3485 * it does not recognize to maintain future compatibility. 3500 * it does not recognize to maintain future compatibility.
3486 */ 3501 */
3487 static void SetJitCodeEventHandler(JitCodeEventOptions options, 3502 static void SetJitCodeEventHandler(JitCodeEventOptions options,
3488 JitCodeEventHandler event_handler); 3503 JitCodeEventHandler event_handler);
3489 3504
3490 /** 3505 // TODO(svenpanne) Really deprecate me when Chrome is fixed.
3491 * Adjusts the amount of registered external memory. Used to give 3506 /** Deprecated. Use Isolate::AdjustAmountOfExternalAllocatedMemory instead. */
3492 * V8 an indication of the amount of externally allocated memory
3493 * that is kept alive by JavaScript objects. V8 uses this to decide
3494 * when to perform global garbage collections. Registering
3495 * externally allocated memory will trigger global garbage
3496 * collections more often than otherwise in an attempt to garbage
3497 * collect the JavaScript objects keeping the externally allocated
3498 * memory alive.
3499 *
3500 * \param change_in_bytes the change in externally allocated memory
3501 * that is kept alive by JavaScript objects.
3502 * \returns the adjusted value.
3503 */
3504 static intptr_t AdjustAmountOfExternalAllocatedMemory( 3507 static intptr_t AdjustAmountOfExternalAllocatedMemory(
3505 intptr_t change_in_bytes); 3508 intptr_t change_in_bytes);
3506 3509
3507 /** 3510 /**
3508 * Suspends recording of tick samples in the profiler. 3511 * Suspends recording of tick samples in the profiler.
3509 * When the V8 profiling mode is enabled (usually via command line 3512 * When the V8 profiling mode is enabled (usually via command line
3510 * switches) this function suspends recording of tick samples. 3513 * switches) this function suspends recording of tick samples.
3511 * Profiling ticks are discarded until ResumeProfiler() is called. 3514 * Profiling ticks are discarded until ResumeProfiler() is called.
3512 * 3515 *
3513 * See also the --prof and --prof_auto command line switches to 3516 * See also the --prof and --prof_auto command line switches to
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5021 5024
5022 5025
5023 } // namespace v8 5026 } // namespace v8
5024 5027
5025 5028
5026 #undef V8EXPORT 5029 #undef V8EXPORT
5027 #undef TYPE_CHECK 5030 #undef TYPE_CHECK
5028 5031
5029 5032
5030 #endif // V8_H_ 5033 #endif // V8_H_
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