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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 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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178 // thread. | 178 // thread. |
179 ThreadTerminationGC, | 179 ThreadTerminationGC, |
180 }; | 180 }; |
181 | 181 |
182 // See setGCState() for possible state transitions. | 182 // See setGCState() for possible state transitions. |
183 enum GCState { | 183 enum GCState { |
184 NoGCScheduled, | 184 NoGCScheduled, |
185 IdleGCScheduled, | 185 IdleGCScheduled, |
186 PreciseGCScheduled, | 186 PreciseGCScheduled, |
187 FullGCScheduled, | 187 FullGCScheduled, |
188 PageNavigationGCScheduled, | |
haraken
2015/08/11 07:43:08
You need to add PageNavigationGCScheduled to Threa
keishi
2015/08/11 08:12:58
Please check the change to ThreadState::setGCState
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188 GCRunning, | 189 GCRunning, |
189 EagerSweepScheduled, | 190 EagerSweepScheduled, |
190 LazySweepScheduled, | 191 LazySweepScheduled, |
191 Sweeping, | 192 Sweeping, |
192 SweepingAndIdleGCScheduled, | 193 SweepingAndIdleGCScheduled, |
193 SweepingAndPreciseGCScheduled, | 194 SweepingAndPreciseGCScheduled, |
194 }; | 195 }; |
195 | 196 |
196 enum HeapIndices { | 197 enum HeapIndices { |
197 EagerSweepHeapIndex = 0, | 198 EagerSweepHeapIndex = 0, |
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322 #endif | 323 #endif |
323 | 324 |
324 void didV8MajorGC(); | 325 void didV8MajorGC(); |
325 | 326 |
326 void performIdleGC(double deadlineSeconds); | 327 void performIdleGC(double deadlineSeconds); |
327 void performIdleLazySweep(double deadlineSeconds); | 328 void performIdleLazySweep(double deadlineSeconds); |
328 | 329 |
329 void scheduleIdleGC(); | 330 void scheduleIdleGC(); |
330 void scheduleIdleLazySweep(); | 331 void scheduleIdleLazySweep(); |
331 void schedulePreciseGC(); | 332 void schedulePreciseGC(); |
333 // estimatedRemovalRatio is the estimated ratio of objects that will be no | |
334 // longer necessary due to the navigation. | |
335 bool shouldSchedulePageNavigationGC(float estimatedRemovalRatio); | |
haraken
2015/08/11 07:43:08
Move this declaration to the other shouldScheduleX
keishi
2015/08/11 08:12:58
Done.
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336 void schedulePageNavigationGCIfNeeded(float estimatedRemovalRatio); | |
337 void schedulePageNavigationGC(); | |
332 void scheduleGCIfNeeded(); | 338 void scheduleGCIfNeeded(); |
333 void setGCState(GCState); | 339 void setGCState(GCState); |
334 GCState gcState() const; | 340 GCState gcState() const; |
335 bool isInGC() const { return gcState() == GCRunning; } | 341 bool isInGC() const { return gcState() == GCRunning; } |
336 bool isSweepingInProgress() const | 342 bool isSweepingInProgress() const |
337 { | 343 { |
338 return gcState() == Sweeping || gcState() == SweepingAndPreciseGCSchedul ed || gcState() == SweepingAndIdleGCScheduled; | 344 return gcState() == Sweeping || gcState() == SweepingAndPreciseGCSchedul ed || gcState() == SweepingAndIdleGCScheduled; |
339 } | 345 } |
340 | 346 |
341 // A GC runs in the following sequence. | 347 // A GC runs in the following sequence. |
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803 }; | 809 }; |
804 | 810 |
805 template<> class ThreadStateFor<AnyThread> { | 811 template<> class ThreadStateFor<AnyThread> { |
806 public: | 812 public: |
807 static ThreadState* state() { return ThreadState::current(); } | 813 static ThreadState* state() { return ThreadState::current(); } |
808 }; | 814 }; |
809 | 815 |
810 } // namespace blink | 816 } // namespace blink |
811 | 817 |
812 #endif // ThreadState_h | 818 #endif // ThreadState_h |
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