Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/shared/hSpaceCounters.hpp @ 14213:6c4c27c5cc9a
8029366: ShouldNotReachHere error when creating an array with component type of void
Reviewed-by: kvn
author | twisti |
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date | Fri, 06 Dec 2013 16:43:56 -0800 |
parents | de88570fabfc |
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rev | line source |
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3289 | 1 /* |
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de88570fabfc
8024256: Minimal VM build is broken with PCH disabled
dholmes
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changeset
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2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. |
3289 | 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_SHARED_HSPACECOUNTERS_HPP | |
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_HSPACECOUNTERS_HPP | |
27 | |
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db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
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28 #include "utilities/macros.hpp" |
3289 | 29 #include "gc_implementation/shared/generationCounters.hpp" |
30 #include "memory/generation.hpp" | |
31 #include "runtime/perfData.hpp" | |
32 | |
33 // A HSpaceCounter is a holder class for performance counters | |
34 // that track a collections (logical spaces) in a heap; | |
35 | |
36 class HeapSpaceUsedHelper; | |
37 class G1SpaceMonitoringSupport; | |
38 | |
6197 | 39 class HSpaceCounters: public CHeapObj<mtGC> { |
3289 | 40 friend class VMStructs; |
41 | |
42 private: | |
43 PerfVariable* _capacity; | |
44 PerfVariable* _used; | |
45 | |
46 // Constant PerfData types don't need to retain a reference. | |
47 // However, it's a good idea to document them here. | |
48 | |
49 char* _name_space; | |
50 | |
51 public: | |
52 | |
53 HSpaceCounters(const char* name, int ordinal, size_t max_size, | |
54 size_t initial_capacity, GenerationCounters* gc); | |
55 | |
56 ~HSpaceCounters() { | |
6197 | 57 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtGC); |
3289 | 58 } |
59 | |
60 inline void update_capacity(size_t v) { | |
61 _capacity->set_value(v); | |
62 } | |
63 | |
64 inline void update_used(size_t v) { | |
65 _used->set_value(v); | |
66 } | |
67 | |
68 debug_only( | |
69 // for security reasons, we do not allow arbitrary reads from | |
70 // the counters as they may live in shared memory. | |
71 jlong used() { | |
72 return _used->get_value(); | |
73 } | |
74 jlong capacity() { | |
75 return _used->get_value(); | |
76 } | |
77 ) | |
78 | |
79 inline void update_all(size_t capacity, size_t used) { | |
80 update_capacity(capacity); | |
81 update_used(used); | |
82 } | |
83 | |
84 const char* name_space() const { return _name_space; } | |
85 }; | |
86 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_HSPACECOUNTERS_HPP |