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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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1483 | 1483 |
1484 // Write barrier support for address[start : start + len[ = o. | 1484 // Write barrier support for address[start : start + len[ = o. |
1485 INLINE(void RecordWrites(Address address, int start, int len)); | 1485 INLINE(void RecordWrites(Address address, int start, int len)); |
1486 | 1486 |
1487 enum HeapState { NOT_IN_GC, SCAVENGE, MARK_COMPACT }; | 1487 enum HeapState { NOT_IN_GC, SCAVENGE, MARK_COMPACT }; |
1488 inline HeapState gc_state() { return gc_state_; } | 1488 inline HeapState gc_state() { return gc_state_; } |
1489 | 1489 |
1490 inline bool IsInGCPostProcessing() { return gc_post_processing_depth_ > 0; } | 1490 inline bool IsInGCPostProcessing() { return gc_post_processing_depth_ > 0; } |
1491 | 1491 |
1492 #ifdef DEBUG | 1492 #ifdef DEBUG |
| 1493 void set_allocation_timeout(int timeout) { |
| 1494 allocation_timeout_ = timeout; |
| 1495 } |
| 1496 |
1493 bool disallow_allocation_failure() { | 1497 bool disallow_allocation_failure() { |
1494 return disallow_allocation_failure_; | 1498 return disallow_allocation_failure_; |
1495 } | 1499 } |
1496 | 1500 |
1497 void TracePathToObjectFrom(Object* target, Object* root); | 1501 void TracePathToObjectFrom(Object* target, Object* root); |
1498 void TracePathToObject(Object* target); | 1502 void TracePathToObject(Object* target); |
1499 void TracePathToGlobal(); | 1503 void TracePathToGlobal(); |
1500 #endif | 1504 #endif |
1501 | 1505 |
1502 // Callback function passed to Heap::Iterate etc. Copies an object if | 1506 // Callback function passed to Heap::Iterate etc. Copies an object if |
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3040 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. | 3044 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. |
3041 | 3045 |
3042 private: | 3046 private: |
3043 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); | 3047 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); |
3044 }; | 3048 }; |
3045 #endif // DEBUG | 3049 #endif // DEBUG |
3046 | 3050 |
3047 } } // namespace v8::internal | 3051 } } // namespace v8::internal |
3048 | 3052 |
3049 #endif // V8_HEAP_H_ | 3053 #endif // V8_HEAP_H_ |
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