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1 /* |
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2 * Copyright 1998-2005 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 * |
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23 */ |
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24 |
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25 inline intptr_t ObjectMonitor::is_entered(TRAPS) const { |
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26 if (THREAD == _owner || THREAD->is_lock_owned((address) _owner)) { |
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27 return 1; |
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28 } |
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29 return 0; |
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30 } |
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31 |
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32 inline markOop ObjectMonitor::header() const { |
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33 return _header; |
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34 } |
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35 |
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36 inline void ObjectMonitor::set_header(markOop hdr) { |
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37 _header = hdr; |
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38 } |
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39 |
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40 inline intptr_t ObjectMonitor::count() const { |
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41 return _count; |
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42 } |
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43 |
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44 inline void ObjectMonitor::set_count(intptr_t count) { |
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45 _count= count; |
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46 } |
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47 |
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48 inline intptr_t ObjectMonitor::waiters() const { |
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49 return _waiters; |
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50 } |
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51 |
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52 inline void* ObjectMonitor::owner() const { |
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53 return _owner; |
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54 } |
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55 |
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56 inline void ObjectMonitor::clear() { |
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57 assert(_header, "Fatal logic error in ObjectMonitor header!"); |
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58 assert(_count == 0, "Fatal logic error in ObjectMonitor count!"); |
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59 assert(_waiters == 0, "Fatal logic error in ObjectMonitor waiters!"); |
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60 assert(_recursions == 0, "Fatal logic error in ObjectMonitor recursions!"); |
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61 assert(_object, "Fatal logic error in ObjectMonitor object!"); |
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62 assert(_owner == 0, "Fatal logic error in ObjectMonitor owner!"); |
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63 |
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64 _header = NULL; |
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65 _object = NULL; |
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66 } |
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67 |
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68 |
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69 inline void* ObjectMonitor::object() const { |
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70 return _object; |
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71 } |
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72 |
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73 inline void* ObjectMonitor::object_addr() { |
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74 return (void *)(&_object); |
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75 } |
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76 |
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77 inline void ObjectMonitor::set_object(void* obj) { |
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78 _object = obj; |
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79 } |
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80 |
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81 inline bool ObjectMonitor::check(TRAPS) { |
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82 if (THREAD != _owner) { |
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83 if (THREAD->is_lock_owned((address) _owner)) { |
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84 _owner = THREAD; // regain ownership of inflated monitor |
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85 OwnerIsThread = 1 ; |
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86 assert (_recursions == 0, "invariant") ; |
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87 } else { |
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88 check_slow(THREAD); |
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89 return false; |
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90 } |
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91 } |
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92 return true; |
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93 } |
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94 |
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95 |
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96 // return number of threads contending for this monitor |
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97 inline intptr_t ObjectMonitor::contentions() const { |
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98 return _count; |
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99 } |
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100 |
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101 inline void ObjectMonitor::set_owner(void* owner) { |
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102 _owner = owner; |
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103 _recursions = 0; |
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104 _count = 0; |
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105 } |
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106 |
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107 |
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108 // here are the platform-dependent bodies: |
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109 |
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110 # include "incls/_objectMonitor_pd.inline.hpp.incl" |