8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
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_G1SURVIVORREGIONS_HPP
26 #define SHARE_GC_G1_G1SURVIVORREGIONS_HPP
27
28 #include "runtime/globals.hpp"
29
30 template <typename T>
31 class GrowableArray;
32 class HeapRegion;
33
34 class G1SurvivorRegions {
35 private:
36 GrowableArray<HeapRegion*>* _regions;
37 volatile size_t _used_bytes;
38
39 public:
40 G1SurvivorRegions();
41
42 void add(HeapRegion* hr);
43
44 void convert_to_eden();
45
46 void clear();
47
48 uint length() const;
49
50 const GrowableArray<HeapRegion*>* regions() const {
51 return _regions;
52 }
53
54 // Used bytes of all survivor regions.
55 size_t used_bytes() const { return _used_bytes; }
56
57 void add_used_bytes(size_t used_bytes);
58 };
59
60 #endif // SHARE_GC_G1_G1SURVIVORREGIONS_HPP
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8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
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_G1SURVIVORREGIONS_HPP
26 #define SHARE_GC_G1_G1SURVIVORREGIONS_HPP
27
28 #include "gc/g1/g1RegionsOnNodes.hpp"
29 #include "runtime/globals.hpp"
30
31 template <typename T>
32 class GrowableArray;
33 class HeapRegion;
34
35 class G1SurvivorRegions {
36 private:
37 GrowableArray<HeapRegion*>* _regions;
38 volatile size_t _used_bytes;
39 G1RegionsOnNodes _regions_on_node;
40
41 public:
42 G1SurvivorRegions();
43
44 virtual uint add(HeapRegion* hr);
45
46 void convert_to_eden();
47
48 void clear();
49
50 uint length() const;
51 uint regions_on_node(uint node_index) const;
52
53 const GrowableArray<HeapRegion*>* regions() const {
54 return _regions;
55 }
56
57 // Used bytes of all survivor regions.
58 size_t used_bytes() const { return _used_bytes; }
59
60 void add_used_bytes(size_t used_bytes);
61 };
62
63 #endif // SHARE_GC_G1_G1SURVIVORREGIONS_HPP
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