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comparison src/share/vm/gc_implementation/g1/g1RemSet.cpp @ 626:87fa6e083d82

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6760309: G1: update remembered sets during Full GCs Reviewed-by: iveresov, tonyp
author apetrusenko
date Tue, 10 Mar 2009 00:47:05 -0700
parents 4f360ec815ba
children 7bb995fbd3c0 25e146966e7c
comparison
equal deleted inserted replaced
620:bcedf688d882 626:87fa6e083d82
102 StupidG1RemSet::oops_into_collection_set_do(OopsInHeapRegionClosure* oc, 102 StupidG1RemSet::oops_into_collection_set_do(OopsInHeapRegionClosure* oc,
103 int worker_i) { 103 int worker_i) {
104 IntoCSRegionClosure rc(_g1, oc); 104 IntoCSRegionClosure rc(_g1, oc);
105 _g1->heap_region_iterate(&rc); 105 _g1->heap_region_iterate(&rc);
106 } 106 }
107
108 class UpdateRSOopClosure: public OopClosure {
109 HeapRegion* _from;
110 HRInto_G1RemSet* _rs;
111 int _worker_i;
112 public:
113 UpdateRSOopClosure(HRInto_G1RemSet* rs, int worker_i = 0) :
114 _from(NULL), _rs(rs), _worker_i(worker_i) {
115 guarantee(_rs != NULL, "Requires an HRIntoG1RemSet");
116 }
117
118 void set_from(HeapRegion* from) {
119 assert(from != NULL, "from region must be non-NULL");
120 _from = from;
121 }
122
123 virtual void do_oop(narrowOop* p) {
124 guarantee(false, "NYI");
125 }
126 virtual void do_oop(oop* p) {
127 assert(_from != NULL, "from region must be non-NULL");
128 _rs->par_write_ref(_from, p, _worker_i);
129 }
130 // Override: this closure is idempotent.
131 // bool idempotent() { return true; }
132 bool apply_to_weak_ref_discovered_field() { return true; }
133 };
134 107
135 class UpdateRSOutOfRegionClosure: public HeapRegionClosure { 108 class UpdateRSOutOfRegionClosure: public HeapRegionClosure {
136 G1CollectedHeap* _g1h; 109 G1CollectedHeap* _g1h;
137 ModRefBarrierSet* _mr_bs; 110 ModRefBarrierSet* _mr_bs;
138 UpdateRSOopClosure _cl; 111 UpdateRSOopClosure _cl;