21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc_implementation/g1/concurrentMarkThread.inline.hpp"
  27 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
  28 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
  29 #include "gc_implementation/g1/g1Log.hpp"
  30 #include "gc_implementation/g1/vm_operations_g1.hpp"
  31 #include "gc_implementation/shared/gcTimer.hpp"
  32 #include "gc_implementation/shared/gcTraceTime.hpp"
  33 #include "gc_implementation/shared/isGCActiveMark.hpp"
  34 #include "gc_implementation/g1/vm_operations_g1.hpp"
  35 #include "runtime/interfaceSupport.hpp"
  36 
  37 VM_G1CollectForAllocation::VM_G1CollectForAllocation(uint gc_count_before,
  38                                                      size_t word_size)
  39   : VM_G1OperationWithAllocRequest(gc_count_before, word_size,
  40                                    GCCause::_allocation_failure) {
  41   guarantee(word_size > 0, "an allocation should always be requested");
  42 }
  43 
  44 void VM_G1CollectForAllocation::doit() {
  45   G1CollectedHeap* g1h = G1CollectedHeap::heap();
  46   GCCauseSetter x(g1h, _gc_cause);
  47 
  48   _result = g1h->satisfy_failed_allocation(_word_size, allocation_context(), &_pause_succeeded);
  49   assert(_result == NULL || _pause_succeeded,
  50          "if we get back a result, the pause should have succeeded");
  51 }
  52 
  53 void VM_G1CollectFull::doit() {
  54   G1CollectedHeap* g1h = G1CollectedHeap::heap();
  55   GCCauseSetter x(g1h, _gc_cause);
  56   g1h->do_full_collection(false /* clear_all_soft_refs */);
  57 }
  58 
  59 VM_G1IncCollectionPause::VM_G1IncCollectionPause(uint           gc_count_before,
  60                                                  size_t         word_size,
  61                                                  bool           should_initiate_conc_mark,

  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc_implementation/g1/concurrentMarkThread.inline.hpp"
  27 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
  28 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
  29 #include "gc_implementation/g1/g1Log.hpp"
  30 #include "gc_implementation/g1/vm_operations_g1.hpp"
  31 #include "gc_implementation/shared/gcTimer.hpp"
  32 #include "gc_implementation/shared/gcTraceTime.hpp"
  33 #include "gc_implementation/shared/isGCActiveMark.hpp"
  34 #include "gc_implementation/g1/vm_operations_g1.hpp"
  35 #include "runtime/interfaceSupport.hpp"
  36 
  37 VM_G1CollectForAllocation::VM_G1CollectForAllocation(uint gc_count_before,
  38                                                      size_t word_size)
  39   : VM_G1OperationWithAllocRequest(gc_count_before, word_size,
  40                                    GCCause::_allocation_failure) {
  41   guarantee(word_size != 0, "An allocation should always be requested with this operation.");
  42 }
  43 
  44 void VM_G1CollectForAllocation::doit() {
  45   G1CollectedHeap* g1h = G1CollectedHeap::heap();
  46   GCCauseSetter x(g1h, _gc_cause);
  47 
  48   _result = g1h->satisfy_failed_allocation(_word_size, allocation_context(), &_pause_succeeded);
  49   assert(_result == NULL || _pause_succeeded,
  50          "if we get back a result, the pause should have succeeded");
  51 }
  52 
  53 void VM_G1CollectFull::doit() {
  54   G1CollectedHeap* g1h = G1CollectedHeap::heap();
  55   GCCauseSetter x(g1h, _gc_cause);
  56   g1h->do_full_collection(false /* clear_all_soft_refs */);
  57 }
  58 
  59 VM_G1IncCollectionPause::VM_G1IncCollectionPause(uint           gc_count_before,
  60                                                  size_t         word_size,
  61                                                  bool           should_initiate_conc_mark,