15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_GC_G1_G1FULLGCPREPARETASK_HPP
26 #define SHARE_GC_G1_G1FULLGCPREPARETASK_HPP
27
28 #include "gc/g1/g1FullGCTask.hpp"
29 #include "gc/g1/heapRegion.hpp"
30 #include "memory/allocation.hpp"
31
32 class G1CollectedHeap;
33 class G1CMBitMap;
34 class G1FullCollector;
35 class G1FullGCCompactionPoint;
36 class HeapRegion;
37
38 // Determines the regions in the heap that should be part of the compaction and
39 // distributes them among the compaction queues in round-robin fashion.
40 class G1DetermineCompactionQueueClosure : public HeapRegionClosure {
41 G1CollectedHeap* _g1h;
42 G1FullCollector* _collector;
43 uint _cur_worker;
44
45 template<bool is_humongous>
46 inline void free_pinned_region(HeapRegion* hr);
47
48 inline bool should_compact(HeapRegion* hr) const;
49
50 // Returns the current worker id to assign a compaction point to, and selects
51 // the next one round-robin style.
52 inline uint next_worker();
53
54 inline G1FullGCCompactionPoint* next_compaction_point();
87 G1CalculatePointersClosure(G1FullCollector* collector,
88 G1FullGCCompactionPoint* cp);
89
90 bool do_heap_region(HeapRegion* hr);
91 };
92
93 class G1ResetMetadataClosure : public HeapRegionClosure {
94 G1CollectedHeap* _g1h;
95 G1FullCollector* _collector;
96
97 void reset_region_metadata(HeapRegion* hr);
98
99 public:
100 G1ResetMetadataClosure(G1FullCollector* collector);
101
102 bool do_heap_region(HeapRegion* hr);
103 };
104
105 class G1PrepareCompactLiveClosure : public StackObj {
106 G1FullGCCompactionPoint* _cp;
107
108 public:
109 G1PrepareCompactLiveClosure(G1FullGCCompactionPoint* cp);
110 size_t apply(oop object);
111 };
112 };
113
114 // Closure to re-prepare objects in the serial compaction point queue regions for
115 // serial compaction.
116 class G1SerialRePrepareClosure : public StackObj {
117 G1FullGCCompactionPoint* _cp;
118 HeapRegion* _current;
119
120 public:
121 G1SerialRePrepareClosure(G1FullGCCompactionPoint* hrcp, HeapRegion* hr) :
122 _cp(hrcp),
123 _current(hr) { }
124
125 inline size_t apply(oop obj);
126 };
127
128 #endif // SHARE_GC_G1_G1FULLGCPREPARETASK_HPP
|
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_GC_G1_G1FULLGCPREPARETASK_HPP
26 #define SHARE_GC_G1_G1FULLGCPREPARETASK_HPP
27
28 #include "gc/g1/g1FullGCTask.hpp"
29 #include "gc/g1/heapRegion.hpp"
30 #include "memory/allocation.hpp"
31
32 class G1CollectedHeap;
33 class G1CMBitMap;
34 class G1FullCollector;
35 class SlidingForwarding;
36 class G1FullGCCompactionPoint;
37 class HeapRegion;
38
39 // Determines the regions in the heap that should be part of the compaction and
40 // distributes them among the compaction queues in round-robin fashion.
41 class G1DetermineCompactionQueueClosure : public HeapRegionClosure {
42 G1CollectedHeap* _g1h;
43 G1FullCollector* _collector;
44 uint _cur_worker;
45
46 template<bool is_humongous>
47 inline void free_pinned_region(HeapRegion* hr);
48
49 inline bool should_compact(HeapRegion* hr) const;
50
51 // Returns the current worker id to assign a compaction point to, and selects
52 // the next one round-robin style.
53 inline uint next_worker();
54
55 inline G1FullGCCompactionPoint* next_compaction_point();
88 G1CalculatePointersClosure(G1FullCollector* collector,
89 G1FullGCCompactionPoint* cp);
90
91 bool do_heap_region(HeapRegion* hr);
92 };
93
94 class G1ResetMetadataClosure : public HeapRegionClosure {
95 G1CollectedHeap* _g1h;
96 G1FullCollector* _collector;
97
98 void reset_region_metadata(HeapRegion* hr);
99
100 public:
101 G1ResetMetadataClosure(G1FullCollector* collector);
102
103 bool do_heap_region(HeapRegion* hr);
104 };
105
106 class G1PrepareCompactLiveClosure : public StackObj {
107 G1FullGCCompactionPoint* _cp;
108 SlidingForwarding* const _forwarding;
109
110 public:
111 G1PrepareCompactLiveClosure(G1FullGCCompactionPoint* cp);
112 size_t apply(oop object);
113 };
114 };
115
116 // Closure to re-prepare objects in the serial compaction point queue regions for
117 // serial compaction.
118 //class G1SerialRePrepareClosure : public StackObj {
119 // G1FullGCCompactionPoint* _cp;
120 // HeapRegion* _current;
121 //
122 //public:
123 // G1SerialRePrepareClosure(G1FullGCCompactionPoint* hrcp, HeapRegion* hr) :
124 // _cp(hrcp),
125 // _current(hr) { }
126 //
127 // inline size_t apply(oop obj);
128 //};
129
130 #endif // SHARE_GC_G1_G1FULLGCPREPARETASK_HPP
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