Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/g1/heapRegionSets.hpp @ 3886:eeae91c9baba
7080389: G1: refactor marking code in evacuation pause copy closures
Summary: Refactor code marking code in the evacuation pause copy closures so that an evacuated object is only marked by the thread that successfully copies it.
Reviewed-by: stefank, brutisso, tonyp
| author | johnc |
|---|---|
| date | Mon, 29 Aug 2011 10:13:06 -0700 |
| parents | e8b0b0392037 |
| children | 8aae2050e83e |
| rev | line source |
|---|---|
| 2152 | 1 /* |
|
3765
ae5b2f1dcf12
7045662: G1: OopsInHeapRegionClosure::set_region() should not be virtual
tonyp
parents:
2152
diff
changeset
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
| 2152 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 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_G1_HEAPREGIONSETS_HPP | |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP | |
| 27 | |
| 28 #include "gc_implementation/g1/heapRegionSet.inline.hpp" | |
| 29 | |
| 30 //////////////////// FreeRegionList //////////////////// | |
| 31 | |
| 32 class FreeRegionList : public HeapRegionLinkedList { | |
| 33 protected: | |
| 34 virtual const char* verify_region_extra(HeapRegion* hr); | |
| 35 | |
| 36 virtual bool regions_humongous() { return false; } | |
| 37 virtual bool regions_empty() { return true; } | |
| 38 | |
| 39 public: | |
| 40 FreeRegionList(const char* name) : HeapRegionLinkedList(name) { } | |
| 41 }; | |
| 42 | |
| 43 //////////////////// MasterFreeRegionList //////////////////// | |
| 44 | |
| 45 class MasterFreeRegionList : public FreeRegionList { | |
| 46 protected: | |
|
3777
e8b0b0392037
7046182: G1: remove unnecessary iterations over the collection set
tonyp
parents:
3765
diff
changeset
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47 virtual const char* verify_region_extra(HeapRegion* hr); |
| 2152 | 48 virtual bool check_mt_safety(); |
| 49 | |
| 50 public: | |
| 51 MasterFreeRegionList(const char* name) : FreeRegionList(name) { } | |
| 52 }; | |
| 53 | |
| 54 //////////////////// SecondaryFreeRegionList //////////////////// | |
| 55 | |
| 56 class SecondaryFreeRegionList : public FreeRegionList { | |
| 57 protected: | |
| 58 virtual bool check_mt_safety(); | |
| 59 | |
| 60 public: | |
| 61 SecondaryFreeRegionList(const char* name) : FreeRegionList(name) { } | |
| 62 }; | |
| 63 | |
| 64 //////////////////// HumongousRegionSet //////////////////// | |
| 65 | |
| 66 class HumongousRegionSet : public HeapRegionSet { | |
| 67 protected: | |
| 68 virtual const char* verify_region_extra(HeapRegion* hr); | |
| 69 | |
| 70 virtual bool regions_humongous() { return true; } | |
| 71 virtual bool regions_empty() { return false; } | |
| 72 | |
| 73 public: | |
| 74 HumongousRegionSet(const char* name) : HeapRegionSet(name) { } | |
| 75 }; | |
| 76 | |
| 77 //////////////////// MasterHumongousRegionSet //////////////////// | |
| 78 | |
| 79 class MasterHumongousRegionSet : public HumongousRegionSet { | |
| 80 protected: | |
| 81 virtual bool check_mt_safety(); | |
| 82 | |
| 83 public: | |
| 84 MasterHumongousRegionSet(const char* name) : HumongousRegionSet(name) { } | |
| 85 }; | |
| 86 | |
| 87 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP |