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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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423 static void DefineWrapperClass( | 423 static void DefineWrapperClass( |
424 uint16_t class_id, | 424 uint16_t class_id, |
425 WrapperInfoCallback callback); | 425 WrapperInfoCallback callback); |
426 | 426 |
427 /** | 427 /** |
428 * Default value of persistent handle class ID. Must not be used to | 428 * Default value of persistent handle class ID. Must not be used to |
429 * define a class. Can be used to reset a class of a persistent | 429 * define a class. Can be used to reset a class of a persistent |
430 * handle. | 430 * handle. |
431 */ | 431 */ |
432 static const uint16_t kPersistentHandleNoClassId = 0; | 432 static const uint16_t kPersistentHandleNoClassId = 0; |
| 433 |
| 434 /** Returns the number of currently existing persistent handles. */ |
| 435 static int GetPersistentHandleCount(); |
433 }; | 436 }; |
434 | 437 |
435 | 438 |
436 /** | 439 /** |
437 * Interface for providing information about embedder's objects | 440 * Interface for providing information about embedder's objects |
438 * held by global handles. This information is reported in two ways: | 441 * held by global handles. This information is reported in two ways: |
439 * | 442 * |
440 * 1. When calling AddObjectGroup, an embedder may pass | 443 * 1. When calling AddObjectGroup, an embedder may pass |
441 * RetainedObjectInfo instance describing the group. To collect | 444 * RetainedObjectInfo instance describing the group. To collect |
442 * this information while taking a heap snapshot, V8 calls GC | 445 * this information while taking a heap snapshot, V8 calls GC |
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507 }; | 510 }; |
508 | 511 |
509 | 512 |
510 } // namespace v8 | 513 } // namespace v8 |
511 | 514 |
512 | 515 |
513 #undef V8EXPORT | 516 #undef V8EXPORT |
514 | 517 |
515 | 518 |
516 #endif // V8_V8_PROFILER_H_ | 519 #endif // V8_V8_PROFILER_H_ |
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