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annotate src/share/vm/gc_implementation/parallelScavenge/psTasks.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children | bca17e38de00 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSTASKS_HPP |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSTASKS_HPP | |
| 27 | |
| 28 #include "memory/allocation.hpp" | |
| 29 #include "utilities/growableArray.hpp" | |
| 30 | |
| 0 | 31 // |
| 32 // psTasks.hpp is a collection of GCTasks used by the | |
| 33 // parallelScavenge collector. | |
| 34 // | |
| 35 | |
| 36 class GCTask; | |
| 37 class OopClosure; | |
| 38 class OopStack; | |
| 39 class ObjectStartArray; | |
| 40 class ParallelTaskTerminator; | |
| 41 class MutableSpace; | |
| 42 class PSOldGen; | |
| 43 class Thread; | |
| 44 class VMThread; | |
| 45 | |
| 46 // | |
| 47 // ScavengeRootsTask | |
| 48 // | |
| 49 // This task scans all the roots of a given type. | |
| 50 // | |
| 51 // | |
| 52 | |
| 53 class ScavengeRootsTask : public GCTask { | |
| 54 public: | |
| 55 enum RootType { | |
| 56 universe = 1, | |
| 57 jni_handles = 2, | |
| 58 threads = 3, | |
| 59 object_synchronizer = 4, | |
| 60 flat_profiler = 5, | |
| 61 system_dictionary = 6, | |
| 62 management = 7, | |
| 989 | 63 jvmti = 8, |
| 64 code_cache = 9 | |
| 0 | 65 }; |
| 66 private: | |
| 67 RootType _root_type; | |
| 68 public: | |
| 69 ScavengeRootsTask(RootType value) : _root_type(value) {} | |
| 70 | |
| 71 char* name() { return (char *)"scavenge-roots-task"; } | |
| 72 | |
| 73 virtual void do_it(GCTaskManager* manager, uint which); | |
| 74 }; | |
| 75 | |
| 76 // | |
| 77 // ThreadRootsTask | |
| 78 // | |
| 79 // This task scans the roots of a single thread. This task | |
| 80 // enables scanning of thread roots in parallel. | |
| 81 // | |
| 82 | |
| 83 class ThreadRootsTask : public GCTask { | |
| 84 private: | |
| 85 JavaThread* _java_thread; | |
| 86 VMThread* _vm_thread; | |
| 87 public: | |
| 88 ThreadRootsTask(JavaThread* root) : _java_thread(root), _vm_thread(NULL) {} | |
| 89 ThreadRootsTask(VMThread* root) : _java_thread(NULL), _vm_thread(root) {} | |
| 90 | |
| 91 char* name() { return (char *)"thread-roots-task"; } | |
| 92 | |
| 93 virtual void do_it(GCTaskManager* manager, uint which); | |
| 94 }; | |
| 95 | |
| 96 // | |
| 97 // StealTask | |
| 98 // | |
| 99 // This task is used to distribute work to idle threads. | |
| 100 // | |
| 101 | |
| 102 class StealTask : public GCTask { | |
| 103 private: | |
| 104 ParallelTaskTerminator* const _terminator; | |
| 105 public: | |
| 106 char* name() { return (char *)"steal-task"; } | |
| 107 | |
| 108 StealTask(ParallelTaskTerminator* t); | |
| 109 | |
| 110 ParallelTaskTerminator* terminator() { return _terminator; } | |
| 111 | |
| 112 virtual void do_it(GCTaskManager* manager, uint which); | |
| 113 }; | |
| 114 | |
| 115 // | |
| 116 // SerialOldToYoungRootsTask | |
| 117 // | |
| 118 // This task is used to scan for roots in the perm gen | |
| 119 | |
| 120 class SerialOldToYoungRootsTask : public GCTask { | |
| 121 private: | |
| 122 PSOldGen* _gen; | |
| 123 HeapWord* _gen_top; | |
| 124 | |
| 125 public: | |
| 126 SerialOldToYoungRootsTask(PSOldGen *gen, HeapWord* gen_top) : | |
| 127 _gen(gen), _gen_top(gen_top) { } | |
| 128 | |
| 129 char* name() { return (char *)"serial-old-to-young-roots-task"; } | |
| 130 | |
| 131 virtual void do_it(GCTaskManager* manager, uint which); | |
| 132 }; | |
| 133 | |
| 134 // | |
| 135 // OldToYoungRootsTask | |
| 136 // | |
| 137 // This task is used to scan old to young roots in parallel | |
| 138 | |
| 139 class OldToYoungRootsTask : public GCTask { | |
| 140 private: | |
| 141 PSOldGen* _gen; | |
| 142 HeapWord* _gen_top; | |
| 143 uint _stripe_number; | |
| 144 | |
| 145 public: | |
| 146 OldToYoungRootsTask(PSOldGen *gen, HeapWord* gen_top, uint stripe_number) : | |
| 147 _gen(gen), _gen_top(gen_top), _stripe_number(stripe_number) { } | |
| 148 | |
| 149 char* name() { return (char *)"old-to-young-roots-task"; } | |
| 150 | |
| 151 virtual void do_it(GCTaskManager* manager, uint which); | |
| 152 }; | |
| 1972 | 153 |
| 154 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSTASKS_HPP |