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annotate src/share/vm/prims/jvmtiManageCapabilities.hpp @ 1562:dfe27f03244a
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author | trims |
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date | Tue, 01 Jun 2010 11:48:33 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2005, 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 |
c18cbe5936b8
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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 | |
25 #ifndef _JAVA_JVMTI_MANAGE_CAPABILITIES_H_ | |
26 #define _JAVA_JVMTI_MANAGE_CAPABILITIES_H_ | |
27 | |
28 | |
29 | |
30 class JvmtiManageCapabilities : public AllStatic { | |
31 | |
32 private: | |
33 | |
34 // these four capabilities sets represent all potentially | |
35 // available capabilities. They are disjoint, covering | |
36 // the four cases: (OnLoad vs OnLoad+live phase) X | |
37 // (one environment vs any environment). | |
38 static jvmtiCapabilities always_capabilities; | |
39 static jvmtiCapabilities onload_capabilities; | |
40 static jvmtiCapabilities always_solo_capabilities; | |
41 static jvmtiCapabilities onload_solo_capabilities; | |
42 | |
43 // solo capabilities that have not been grabbed | |
44 static jvmtiCapabilities always_solo_remaining_capabilities; | |
45 static jvmtiCapabilities onload_solo_remaining_capabilities; | |
46 | |
47 // all capabilities ever acquired | |
48 static jvmtiCapabilities acquired_capabilities; | |
49 | |
50 // basic intenal operations | |
51 static jvmtiCapabilities *either(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); | |
52 static jvmtiCapabilities *both(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); | |
53 static jvmtiCapabilities *exclude(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); | |
54 static bool has_some(const jvmtiCapabilities *a); | |
55 static void update(); | |
56 | |
57 // init functions | |
58 static jvmtiCapabilities init_always_capabilities(); | |
59 static jvmtiCapabilities init_onload_capabilities(); | |
60 static jvmtiCapabilities init_always_solo_capabilities(); | |
61 static jvmtiCapabilities init_onload_solo_capabilities(); | |
62 | |
63 public: | |
64 static void initialize(); | |
65 | |
66 // may have to adjust always capabilities when VM initialization has completed | |
67 static void recompute_always_capabilities(); | |
68 | |
69 // queries and actions | |
70 static void get_potential_capabilities(const jvmtiCapabilities *current, | |
71 const jvmtiCapabilities *prohibited, | |
72 jvmtiCapabilities *result); | |
73 static jvmtiError add_capabilities(const jvmtiCapabilities *current, | |
74 const jvmtiCapabilities *prohibited, | |
75 const jvmtiCapabilities *desired, | |
76 jvmtiCapabilities *result); | |
77 static void relinquish_capabilities(const jvmtiCapabilities *current, | |
78 const jvmtiCapabilities *unwanted, | |
79 jvmtiCapabilities *result); | |
80 static void copy_capabilities(const jvmtiCapabilities *from, jvmtiCapabilities *to); | |
81 | |
82 #ifndef PRODUCT | |
83 static void print(const jvmtiCapabilities* caps); | |
84 #endif | |
85 }; | |
86 | |
87 #endif /* _JAVA_JVMTI_MANAGE_CAPABILITIES_H_ */ |