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comparison src/share/vm/runtime/java.hpp @ 2129:8f8dfba37802

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6994753: Implement optional hook to a Java method at VM startup. Reviewed-by: mchung, acorn
author kevinw
date Wed, 12 Jan 2011 15:44:16 +0000
parents f95d63e2154a
children 3582bf76420e
comparison
equal deleted inserted replaced
2128:0ca32cc95d7b 2129:8f8dfba37802
1 /* 1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
90 // If partially initialized, the above fields are invalid and we know 90 // If partially initialized, the above fields are invalid and we know
91 // that we're less than major version 6. 91 // that we're less than major version 6.
92 bool _partially_initialized; 92 bool _partially_initialized;
93 93
94 bool _thread_park_blocker; 94 bool _thread_park_blocker;
95 bool _post_vm_init_hook_enabled;
95 96
96 bool is_valid() const { 97 bool is_valid() const {
97 return (_major != 0 || _partially_initialized); 98 return (_major != 0 || _partially_initialized);
98 } 99 }
99 100
111 return _current._partially_initialized; 112 return _current._partially_initialized;
112 } 113 }
113 114
114 JDK_Version() : _major(0), _minor(0), _micro(0), _update(0), 115 JDK_Version() : _major(0), _minor(0), _micro(0), _update(0),
115 _special(0), _build(0), _partially_initialized(false), 116 _special(0), _build(0), _partially_initialized(false),
116 _thread_park_blocker(false) {} 117 _thread_park_blocker(false), _post_vm_init_hook_enabled(false) {}
117 118
118 JDK_Version(uint8_t major, uint8_t minor = 0, uint8_t micro = 0, 119 JDK_Version(uint8_t major, uint8_t minor = 0, uint8_t micro = 0,
119 uint8_t update = 0, uint8_t special = 0, uint8_t build = 0, 120 uint8_t update = 0, uint8_t special = 0, uint8_t build = 0,
120 bool thread_park_blocker = false) : 121 bool thread_park_blocker = false, bool post_vm_init_hook_enabled = false) :
121 _major(major), _minor(minor), _micro(micro), _update(update), 122 _major(major), _minor(minor), _micro(micro), _update(update),
122 _special(special), _build(build), _partially_initialized(false), 123 _special(special), _build(build), _partially_initialized(false),
123 _thread_park_blocker(thread_park_blocker) {} 124 _thread_park_blocker(thread_park_blocker),
125 _post_vm_init_hook_enabled(post_vm_init_hook_enabled) {}
124 126
125 // Returns the current running JDK version 127 // Returns the current running JDK version
126 static JDK_Version current() { return _current; } 128 static JDK_Version current() { return _current; }
127 129
128 // Factory methods for convenience 130 // Factory methods for convenience
141 uint8_t special_update_version() const { return _special; } 143 uint8_t special_update_version() const { return _special; }
142 uint8_t build_number() const { return _build; } 144 uint8_t build_number() const { return _build; }
143 145
144 bool supports_thread_park_blocker() const { 146 bool supports_thread_park_blocker() const {
145 return _thread_park_blocker; 147 return _thread_park_blocker;
148 }
149 bool post_vm_init_hook_enabled() const {
150 return _post_vm_init_hook_enabled;
146 } 151 }
147 152
148 // Performs a full ordering comparison using all fields (update, build, etc.) 153 // Performs a full ordering comparison using all fields (update, build, etc.)
149 int compare(const JDK_Version& other) const; 154 int compare(const JDK_Version& other) const;
150 155