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_CONCURRENTMARKSWEEP_CONCURRENTMARKSWEEPGENERATION_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CONCURRENTMARKSWEEPGENERATION_HPP
27
28 #include "gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp"
29 #include "gc_implementation/shared/gcHeapSummary.hpp"
30 #include "gc_implementation/shared/gSpaceCounters.hpp"
31 #include "gc_implementation/shared/gcStats.hpp"
32 #include "gc_implementation/shared/gcWhen.hpp"
33 #include "gc_implementation/shared/generationCounters.hpp"
34 #include "memory/cardGeneration.hpp"
35 #include "memory/freeBlockDictionary.hpp"
36 #include "memory/iterator.hpp"
37 #include "memory/space.hpp"
38 #include "memory/virtualspace.hpp"
39 #include "runtime/mutexLocker.hpp"
40 #include "services/memoryService.hpp"
41 #include "utilities/bitMap.hpp"
42 #include "utilities/stack.hpp"
43 #include "utilities/taskqueue.hpp"
44 #include "utilities/yieldingWorkgroup.hpp"
45
46 // ConcurrentMarkSweepGeneration is in support of a concurrent
47 // mark-sweep old generation in the Detlefs-Printezis--Boehm-Demers-Schenker
48 // style. We assume, for now, that this generation is always the
49 // seniormost generation and for simplicity
50 // in the first implementation, that this generation is a single compactible
51 // space. Neither of these restrictions appears essential, and will be
52 // relaxed in the future when more time is available to implement the
53 // greater generality (and there's a need for it).
54 //
55 // Concurrent mode failures are currently handled by
56 // means of a sliding mark-compact.
57
58 class AdaptiveSizePolicy;
59 class CMSCollector;
60 class CMSConcMarkingTask;
61 class CMSGCAdaptivePolicyCounters;
62 class CMSTracer;
63 class ConcurrentGCTimer;
64 class ConcurrentMarkSweepGeneration;
1796 CMSBitMap* _dead_bit_map;
1797 public:
1798 MarkDeadObjectsClosure(const CMSCollector* collector,
1799 const CompactibleFreeListSpace* sp,
1800 CMSBitMap *live_bit_map,
1801 CMSBitMap *dead_bit_map) :
1802 _collector(collector),
1803 _sp(sp),
1804 _live_bit_map(live_bit_map),
1805 _dead_bit_map(dead_bit_map) {}
1806 size_t do_blk(HeapWord* addr);
1807 };
1808
1809 class TraceCMSMemoryManagerStats : public TraceMemoryManagerStats {
1810
1811 public:
1812 TraceCMSMemoryManagerStats(CMSCollector::CollectorState phase, GCCause::Cause cause);
1813 };
1814
1815
1816 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CONCURRENTMARKSWEEPGENERATION_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_CMS_CONCURRENTMARKSWEEPGENERATION_HPP
26 #define SHARE_VM_GC_CMS_CONCURRENTMARKSWEEPGENERATION_HPP
27
28 #include "gc/cms/cmsOopClosures.hpp"
29 #include "gc/cms/yieldingWorkgroup.hpp"
30 #include "gc/shared/cardGeneration.hpp"
31 #include "gc/shared/gSpaceCounters.hpp"
32 #include "gc/shared/gcHeapSummary.hpp"
33 #include "gc/shared/gcStats.hpp"
34 #include "gc/shared/gcWhen.hpp"
35 #include "gc/shared/generationCounters.hpp"
36 #include "gc/shared/space.hpp"
37 #include "gc/shared/taskqueue.hpp"
38 #include "memory/freeBlockDictionary.hpp"
39 #include "memory/iterator.hpp"
40 #include "memory/virtualspace.hpp"
41 #include "runtime/mutexLocker.hpp"
42 #include "services/memoryService.hpp"
43 #include "utilities/bitMap.hpp"
44 #include "utilities/stack.hpp"
45
46 // ConcurrentMarkSweepGeneration is in support of a concurrent
47 // mark-sweep old generation in the Detlefs-Printezis--Boehm-Demers-Schenker
48 // style. We assume, for now, that this generation is always the
49 // seniormost generation and for simplicity
50 // in the first implementation, that this generation is a single compactible
51 // space. Neither of these restrictions appears essential, and will be
52 // relaxed in the future when more time is available to implement the
53 // greater generality (and there's a need for it).
54 //
55 // Concurrent mode failures are currently handled by
56 // means of a sliding mark-compact.
57
58 class AdaptiveSizePolicy;
59 class CMSCollector;
60 class CMSConcMarkingTask;
61 class CMSGCAdaptivePolicyCounters;
62 class CMSTracer;
63 class ConcurrentGCTimer;
64 class ConcurrentMarkSweepGeneration;
1796 CMSBitMap* _dead_bit_map;
1797 public:
1798 MarkDeadObjectsClosure(const CMSCollector* collector,
1799 const CompactibleFreeListSpace* sp,
1800 CMSBitMap *live_bit_map,
1801 CMSBitMap *dead_bit_map) :
1802 _collector(collector),
1803 _sp(sp),
1804 _live_bit_map(live_bit_map),
1805 _dead_bit_map(dead_bit_map) {}
1806 size_t do_blk(HeapWord* addr);
1807 };
1808
1809 class TraceCMSMemoryManagerStats : public TraceMemoryManagerStats {
1810
1811 public:
1812 TraceCMSMemoryManagerStats(CMSCollector::CollectorState phase, GCCause::Cause cause);
1813 };
1814
1815
1816 #endif // SHARE_VM_GC_CMS_CONCURRENTMARKSWEEPGENERATION_HPP
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