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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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272 TRACE_EVENT_SCOPED_SAMPLING_STATE("blink", "DOMMajorGC"); | 272 TRACE_EVENT_SCOPED_SAMPLING_STATE("blink", "DOMMajorGC"); |
273 objectGroupingForMajorGC(isolate, constructRetainedObjectInfos); | 273 objectGroupingForMajorGC(isolate, constructRetainedObjectInfos); |
274 } | 274 } |
275 V8PerIsolateData::from(isolate)->setPreviousSamplingState(TRACE_EVENT_GE
T_SAMPLING_STATE()); | 275 V8PerIsolateData::from(isolate)->setPreviousSamplingState(TRACE_EVENT_GE
T_SAMPLING_STATE()); |
276 TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8MajorGC"); | 276 TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8MajorGC"); |
277 } else { | 277 } else { |
278 objectGroupingForMajorGC(isolate, constructRetainedObjectInfos); | 278 objectGroupingForMajorGC(isolate, constructRetainedObjectInfos); |
279 } | 279 } |
280 } | 280 } |
281 | 281 |
282 } | 282 } // namespace |
283 | 283 |
284 void V8GCController::gcPrologue(v8::Isolate* isolate, v8::GCType type, v8::GCCal
lbackFlags flags) | 284 void V8GCController::gcPrologue(v8::Isolate* isolate, v8::GCType type, v8::GCCal
lbackFlags flags) |
285 { | 285 { |
286 if (isMainThread()) | 286 if (isMainThread()) |
287 ScriptForbiddenScope::enter(); | 287 ScriptForbiddenScope::enter(); |
288 | 288 |
289 // TODO(haraken): A GC callback is not allowed to re-enter V8. This means | 289 // TODO(haraken): A GC callback is not allowed to re-enter V8. This means |
290 // that it's unsafe to run Oilpan's GC in the GC callback because it may | 290 // that it's unsafe to run Oilpan's GC in the GC callback because it may |
291 // run finalizers that call into V8. To avoid the risk, we should post | 291 // run finalizers that call into V8. To avoid the risk, we should post |
292 // a task to schedule the Oilpan's GC. | 292 // a task to schedule the Oilpan's GC. |
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453 Visitor* m_visitor; | 453 Visitor* m_visitor; |
454 }; | 454 }; |
455 | 455 |
456 void V8GCController::traceDOMWrappers(v8::Isolate* isolate, Visitor* visitor) | 456 void V8GCController::traceDOMWrappers(v8::Isolate* isolate, Visitor* visitor) |
457 { | 457 { |
458 DOMWrapperTracer tracer(visitor); | 458 DOMWrapperTracer tracer(visitor); |
459 isolate->VisitHandlesWithClassIds(&tracer); | 459 isolate->VisitHandlesWithClassIds(&tracer); |
460 } | 460 } |
461 | 461 |
462 } // namespace blink | 462 } // namespace blink |
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