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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // WARNING: Thread local storage is a bit tricky to get right. Please make | 5 // WARNING: Thread local storage is a bit tricky to get right. Please make |
| 6 // sure that this is really the proper solution for what you're trying to | 6 // sure that this is really the proper solution for what you're trying to |
| 7 // achieve. Don't prematurely optimize, most likely you can just use a Lock. | 7 // achieve. Don't prematurely optimize, most likely you can just use a Lock. |
| 8 // | 8 // |
| 9 // These classes implement a wrapper around the platform's TLS storage | 9 // These classes implement a wrapper around the platform's TLS storage |
| 10 // mechanism. On construction, they will allocate a TLS slot, and free the | 10 // mechanism. On construction, they will allocate a TLS slot, and free the |
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| 45 // // Return the current MyClass associated with the calling thread, can be | 45 // // Return the current MyClass associated with the calling thread, can be |
| 46 // // NULL if there isn't a MyClass associated. | 46 // // NULL if there isn't a MyClass associated. |
| 47 // MyClass* MyClass::current() { | 47 // MyClass* MyClass::current() { |
| 48 // return Singleton<ThreadLocalPointer<MyClass> >::get()->Get(); | 48 // return Singleton<ThreadLocalPointer<MyClass> >::get()->Get(); |
| 49 // } | 49 // } |
| 50 | 50 |
| 51 #ifndef BASE_THREADING_THREAD_LOCAL_H_ | 51 #ifndef BASE_THREADING_THREAD_LOCAL_H_ |
| 52 #define BASE_THREADING_THREAD_LOCAL_H_ | 52 #define BASE_THREADING_THREAD_LOCAL_H_ |
| 53 | 53 |
| 54 #include "base/base_export.h" | 54 #include "base/base_export.h" |
| 55 #include "base/basictypes.h" | 55 #include "base/macros.h" |
| 56 #include "base/threading/thread_local_storage.h" | 56 #include "base/threading/thread_local_storage.h" |
| 57 #include "build/build_config.h" |
| 57 | 58 |
| 58 #if defined(OS_POSIX) | 59 #if defined(OS_POSIX) |
| 59 #include <pthread.h> | 60 #include <pthread.h> |
| 60 #endif | 61 #endif |
| 61 | 62 |
| 62 namespace base { | 63 namespace base { |
| 63 namespace internal { | 64 namespace internal { |
| 64 | 65 |
| 65 // Helper functions that abstract the cross-platform APIs. Do not use directly. | 66 // Helper functions that abstract the cross-platform APIs. Do not use directly. |
| 66 struct BASE_EXPORT ThreadLocalPlatform { | 67 struct BASE_EXPORT ThreadLocalPlatform { |
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| 124 | 125 |
| 125 private: | 126 private: |
| 126 ThreadLocalPointer<void> tlp_; | 127 ThreadLocalPointer<void> tlp_; |
| 127 | 128 |
| 128 DISALLOW_COPY_AND_ASSIGN(ThreadLocalBoolean); | 129 DISALLOW_COPY_AND_ASSIGN(ThreadLocalBoolean); |
| 129 }; | 130 }; |
| 130 | 131 |
| 131 } // namespace base | 132 } // namespace base |
| 132 | 133 |
| 133 #endif // BASE_THREADING_THREAD_LOCAL_H_ | 134 #endif // BASE_THREADING_THREAD_LOCAL_H_ |
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