Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/vm_operations_g1.cpp
src/share/vm/gc_implementation/g1/vm_operations_g1.cpp
- changeset 7687
- af8f16ac392c
- parent 7686
- fb69749583e8
- child 7994
- 04ff2f6cd0eb
- child 8194
- 047a642c9729
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| 7686:fb69749583e8 | 7687:af8f16ac392c |
|---|---|
| 36 | 36 |
| 37 VM_G1CollectForAllocation::VM_G1CollectForAllocation(uint gc_count_before, | 37 VM_G1CollectForAllocation::VM_G1CollectForAllocation(uint gc_count_before, |
| 38 size_t word_size) | 38 size_t word_size) |
| 39 : VM_G1OperationWithAllocRequest(gc_count_before, word_size, | 39 : VM_G1OperationWithAllocRequest(gc_count_before, word_size, |
| 40 GCCause::_allocation_failure) { | 40 GCCause::_allocation_failure) { |
| 41 guarantee(word_size > 0, "an allocation should always be requested"); | 41 guarantee(word_size != 0, "An allocation should always be requested with this operation."); |
| 42 } | 42 } |
| 43 | 43 |
| 44 void VM_G1CollectForAllocation::doit() { | 44 void VM_G1CollectForAllocation::doit() { |
| 45 G1CollectedHeap* g1h = G1CollectedHeap::heap(); | 45 G1CollectedHeap* g1h = G1CollectedHeap::heap(); |
| 46 GCCauseSetter x(g1h, _gc_cause); | 46 GCCauseSetter x(g1h, _gc_cause); |
| 71 target_pause_time_ms)); | 71 target_pause_time_ms)); |
| 72 _gc_cause = gc_cause; | 72 _gc_cause = gc_cause; |
| 73 } | 73 } |
| 74 | 74 |
| 75 bool VM_G1IncCollectionPause::doit_prologue() { | 75 bool VM_G1IncCollectionPause::doit_prologue() { |
| 76 bool res = VM_GC_Operation::doit_prologue(); | 76 bool res = VM_G1OperationWithAllocRequest::doit_prologue(); |
| 77 if (!res) { | 77 if (!res) { |
| 78 if (_should_initiate_conc_mark) { | 78 if (_should_initiate_conc_mark) { |
| 79 // The prologue can fail for a couple of reasons. The first is that another GC | 79 // The prologue can fail for a couple of reasons. The first is that another GC |
| 80 // got scheduled and prevented the scheduling of the initial mark GC. The | 80 // got scheduled and prevented the scheduling of the initial mark GC. The |
| 81 // second is that the GC locker may be active and the heap can't be expanded. | 81 // second is that the GC locker may be active and the heap can't be expanded. |
| 165 } | 165 } |
| 166 } | 166 } |
| 167 } | 167 } |
| 168 | 168 |
| 169 void VM_G1IncCollectionPause::doit_epilogue() { | 169 void VM_G1IncCollectionPause::doit_epilogue() { |
| 170 VM_GC_Operation::doit_epilogue(); | 170 VM_G1OperationWithAllocRequest::doit_epilogue(); |
| 171 | 171 |
| 172 // If the pause was initiated by a System.gc() and | 172 // If the pause was initiated by a System.gc() and |
| 173 // +ExplicitGCInvokesConcurrent, we have to wait here for the cycle | 173 // +ExplicitGCInvokesConcurrent, we have to wait here for the cycle |
| 174 // that just started (or maybe one that was already in progress) to | 174 // that just started (or maybe one that was already in progress) to |
| 175 // finish. | 175 // finish. |
