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src/hotspot/share/gc/g1/g1FullGCCompactionPoint.hpp

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13  * accompanied this code).
14  *
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_G1FULLGCCOMPACTIONPOINT_HPP
26 #define SHARE_GC_G1_G1FULLGCCOMPACTIONPOINT_HPP
27 
28 #include "memory/allocation.hpp"
29 #include "oops/oopsHierarchy.hpp"
30 #include "utilities/growableArray.hpp"
31 
32 class HeapRegion;

33 
34 class G1FullGCCompactionPoint : public CHeapObj<mtGC> {
35   HeapRegion* _current_region;
36   HeapWord*   _compaction_top;
37   GrowableArray<HeapRegion*>* _compaction_regions;
38   GrowableArrayIterator<HeapRegion*> _compaction_region_iterator;
39 
40   bool object_will_fit(size_t size);
41   void initialize_values(bool init_threshold);
42   void switch_region();
43   HeapRegion* next_region();
44 
45 public:
46   G1FullGCCompactionPoint();
47   ~G1FullGCCompactionPoint();
48 
49   bool has_regions();
50   bool is_initialized();
51   void initialize(HeapRegion* hr, bool init_threshold);
52   void update();
53   void forward(oop object, size_t size);
54   void add(HeapRegion* hr);
55 
56   HeapRegion* remove_last();
57   HeapRegion* current_region();
58 
59   GrowableArray<HeapRegion*>* regions();
60 };
61 
62 #endif // SHARE_GC_G1_G1FULLGCCOMPACTIONPOINT_HPP

13  * accompanied this code).
14  *
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_G1FULLGCCOMPACTIONPOINT_HPP
26 #define SHARE_GC_G1_G1FULLGCCOMPACTIONPOINT_HPP
27 
28 #include "memory/allocation.hpp"
29 #include "oops/oopsHierarchy.hpp"
30 #include "utilities/growableArray.hpp"
31 
32 class HeapRegion;
33 class SlidingForwarding;
34 
35 class G1FullGCCompactionPoint : public CHeapObj<mtGC> {
36   HeapRegion* _current_region;
37   HeapWord*   _compaction_top;
38   GrowableArray<HeapRegion*>* _compaction_regions;
39   GrowableArrayIterator<HeapRegion*> _compaction_region_iterator;
40 
41   bool object_will_fit(size_t size);
42   void initialize_values(bool init_threshold);
43   void switch_region();
44   HeapRegion* next_region();
45 
46 public:
47   G1FullGCCompactionPoint();
48   ~G1FullGCCompactionPoint();
49 
50   bool has_regions();
51   bool is_initialized();
52   void initialize(HeapRegion* hr, bool init_threshold);
53   void update();
54   void forward(SlidingForwarding* const forwarding, oop object, size_t size);
55   void add(HeapRegion* hr);
56 
57   HeapRegion* remove_last();
58   HeapRegion* current_region();
59 
60   GrowableArray<HeapRegion*>* regions();
61 };
62 
63 #endif // SHARE_GC_G1_G1FULLGCCOMPACTIONPOINT_HPP
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