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annotate src/share/vm/gc_implementation/concurrentMarkSweep/cmsPermGen.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 | e41cd7fd68a6 |
| children | 9f059abe8cf2 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 2007, 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_CONCURRENTMARKSWEEP_CMSPERMGEN_HPP |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSPERMGEN_HPP | |
| 27 | |
| 28 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp" | |
| 29 #include "memory/permGen.hpp" | |
| 30 | |
| 0 | 31 class CardTableRS; // fwd decl |
| 32 class ConcurrentMarkSweepGeneration; | |
| 33 | |
| 34 // A PermGen implemented with a CMS space, collected by a CMS collector. | |
| 35 class CMSPermGen: public PermGen { | |
| 36 friend class VMStructs; | |
| 37 | |
| 38 protected: | |
| 39 // The "generation" view. | |
| 40 ConcurrentMarkSweepGeneration* _gen; | |
| 41 | |
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42 // Override default implementation from PermGen |
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43 virtual HeapWord* request_expand_and_allocate(Generation* gen, size_t size, |
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44 GCCause::Cause prev_cause); |
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45 |
| 0 | 46 public: |
| 47 CMSPermGen(ReservedSpace rs, size_t initial_byte_size, | |
| 48 CardTableRS* ct, FreeBlockDictionary::DictionaryChoice); | |
| 49 | |
| 50 HeapWord* mem_allocate(size_t size); | |
| 51 | |
| 52 void compute_new_size(); | |
| 53 | |
| 54 Generation* as_gen() const { return _gen; } | |
| 55 }; | |
| 56 | |
| 57 // This is the "generation" view of a CMSPermGen. | |
| 58 class CMSPermGenGen: public ConcurrentMarkSweepGeneration { | |
| 59 // Abstractly, this is a subtype that gets access to protected fields. | |
| 60 friend class CMSPermGen; | |
| 61 public: | |
| 62 CMSPermGenGen(ReservedSpace rs, size_t initial_byte_size, | |
| 63 int level, CardTableRS* ct): | |
| 64 // See comments in the constructor for CompactibleFreeListSpace | |
| 65 // regarding not using adaptive free lists for a perm gen. | |
| 66 ConcurrentMarkSweepGeneration(rs, initial_byte_size, // MinPermHeapExapnsion | |
| 67 level, ct, false /* use adaptive freelists */, | |
| 68 (FreeBlockDictionary::DictionaryChoice)CMSDictionaryChoice) | |
| 69 {} | |
| 70 | |
| 71 void initialize_performance_counters(); | |
| 72 | |
| 73 const char* name() const { | |
| 74 return "concurrent-mark-sweep perm gen"; | |
| 75 } | |
| 76 | |
| 77 const char* short_name() const { | |
| 78 return "CMS Perm"; | |
| 79 } | |
| 80 | |
| 81 bool must_be_youngest() const { return false; } | |
| 82 bool must_be_oldest() const { return false; } | |
| 83 }; | |
| 1972 | 84 |
| 85 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSPERMGEN_HPP |