5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
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_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_HPP
27
28 #include "memory/allocation.hpp"
29 #include "utilities/stack.hpp"
30 #include "utilities/taskqueue.hpp"
31
32 class MutableSpace;
33 class PSOldGen;
34 class ParCompactionManager;
35 class ObjectStartArray;
36 class ParallelCompactData;
37 class ParMarkBitMap;
38
39 class ParCompactionManager : public CHeapObj<mtGC> {
40 friend class ParallelTaskTerminator;
41 friend class ParMarkBitMap;
42 friend class PSParallelCompact;
43 friend class StealRegionCompactionTask;
44 friend class UpdateAndFillClosure;
45 friend class RefProcTaskExecutor;
46 friend class IdleGCTask;
47
48 public:
49
50 // ------------------------ Don't putback if not needed
223 private:
224 MarkAndPushClosure* _mark_and_push_closure;
225 public:
226 FollowKlassClosure(MarkAndPushClosure* mark_and_push_closure) :
227 _mark_and_push_closure(mark_and_push_closure) { }
228 void do_klass(Klass* klass);
229 };
230 };
231
232 inline ParCompactionManager* ParCompactionManager::manager_array(int index) {
233 assert(_manager_array != NULL, "access of NULL manager_array");
234 assert(index >= 0 && index <= (int)ParallelGCThreads,
235 "out of range manager_array access");
236 return _manager_array[index];
237 }
238
239 bool ParCompactionManager::marking_stacks_empty() const {
240 return _marking_stack.is_empty() && _objarray_stack.is_empty();
241 }
242
243 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_HPP
|
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
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_VM_GC_PARALLEL_PSCOMPACTIONMANAGER_HPP
26 #define SHARE_VM_GC_PARALLEL_PSCOMPACTIONMANAGER_HPP
27
28 #include "gc/shared/taskqueue.hpp"
29 #include "memory/allocation.hpp"
30 #include "utilities/stack.hpp"
31
32 class MutableSpace;
33 class PSOldGen;
34 class ParCompactionManager;
35 class ObjectStartArray;
36 class ParallelCompactData;
37 class ParMarkBitMap;
38
39 class ParCompactionManager : public CHeapObj<mtGC> {
40 friend class ParallelTaskTerminator;
41 friend class ParMarkBitMap;
42 friend class PSParallelCompact;
43 friend class StealRegionCompactionTask;
44 friend class UpdateAndFillClosure;
45 friend class RefProcTaskExecutor;
46 friend class IdleGCTask;
47
48 public:
49
50 // ------------------------ Don't putback if not needed
223 private:
224 MarkAndPushClosure* _mark_and_push_closure;
225 public:
226 FollowKlassClosure(MarkAndPushClosure* mark_and_push_closure) :
227 _mark_and_push_closure(mark_and_push_closure) { }
228 void do_klass(Klass* klass);
229 };
230 };
231
232 inline ParCompactionManager* ParCompactionManager::manager_array(int index) {
233 assert(_manager_array != NULL, "access of NULL manager_array");
234 assert(index >= 0 && index <= (int)ParallelGCThreads,
235 "out of range manager_array access");
236 return _manager_array[index];
237 }
238
239 bool ParCompactionManager::marking_stacks_empty() const {
240 return _marking_stack.is_empty() && _objarray_stack.is_empty();
241 }
242
243 #endif // SHARE_VM_GC_PARALLEL_PSCOMPACTIONMANAGER_HPP
|