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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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87 const NativeHandle& native_handle() const V8_WARN_UNUSED_RESULT { | 87 const NativeHandle& native_handle() const V8_WARN_UNUSED_RESULT { |
88 return native_handle_; | 88 return native_handle_; |
89 } | 89 } |
90 | 90 |
91 private: | 91 private: |
92 NativeHandle native_handle_; | 92 NativeHandle native_handle_; |
93 #ifdef DEBUG | 93 #ifdef DEBUG |
94 int level_; | 94 int level_; |
95 #endif | 95 #endif |
96 | 96 |
| 97 V8_INLINE(void AssertHeldAndUnmark()) { |
| 98 #ifdef DEBUG |
| 99 ASSERT_EQ(1, level_); |
| 100 level_--; |
| 101 #endif |
| 102 } |
| 103 |
| 104 V8_INLINE(void AssertUnheldAndMark()) { |
| 105 #ifdef DEBUG |
| 106 ASSERT_EQ(0, level_); |
| 107 level_++; |
| 108 #endif |
| 109 } |
| 110 |
| 111 friend class ConditionVariable; |
| 112 |
97 DISALLOW_COPY_AND_ASSIGN(Mutex); | 113 DISALLOW_COPY_AND_ASSIGN(Mutex); |
98 }; | 114 }; |
99 | 115 |
100 | 116 |
101 // POD Mutex initialized lazily (i.e. the first time Pointer() is called). | 117 // POD Mutex initialized lazily (i.e. the first time Pointer() is called). |
102 // Usage: | 118 // Usage: |
103 // static LazyMutex my_mutex = LAZY_MUTEX_INITIALIZER; | 119 // static LazyMutex my_mutex = LAZY_MUTEX_INITIALIZER; |
104 // | 120 // |
105 // void my_function() { | 121 // void my_function() { |
106 // LockGuard<Mutex> guard(my_mutex.Pointer()); | 122 // LockGuard<Mutex> guard(my_mutex.Pointer()); |
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214 private: | 230 private: |
215 Mutex* mutex_; | 231 Mutex* mutex_; |
216 | 232 |
217 LockGuard(const LockGuard<Mutex>& other) V8_DELETE; | 233 LockGuard(const LockGuard<Mutex>& other) V8_DELETE; |
218 LockGuard<Mutex>& operator=(const LockGuard<Mutex>& other) V8_DELETE; | 234 LockGuard<Mutex>& operator=(const LockGuard<Mutex>& other) V8_DELETE; |
219 }; | 235 }; |
220 | 236 |
221 } } // namespace v8::internal | 237 } } // namespace v8::internal |
222 | 238 |
223 #endif // V8_PLATFORM_MUTEX_H_ | 239 #endif // V8_PLATFORM_MUTEX_H_ |
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