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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 #ifndef BASE_THREADING_THREAD_CHECKER_H_ | 5 #ifndef BASE_THREADING_THREAD_CHECKER_H_ |
6 #define BASE_THREADING_THREAD_CHECKER_H_ | 6 #define BASE_THREADING_THREAD_CHECKER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #ifndef NDEBUG | 9 // Apart from debug builds, we also enable the thread checker in |
| 10 // builds with DCHECK_ALWAYS_ON so that trybots and waterfall bots |
| 11 // with this define will get the same level of thread checking as |
| 12 // debug bots. |
| 13 // |
| 14 // Note that this does not perfectly match situations where DCHECK is |
| 15 // enabled. For example a non-official release build may have |
| 16 // DCHECK_ALWAYS_ON undefined (and therefore ThreadChecker would be |
| 17 // disabled) but have DCHECKs enabled at runtime. |
| 18 #define ENABLE_THREAD_CHECKER (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)) |
| 19 |
| 20 #if ENABLE_THREAD_CHECKER |
10 #include "base/threading/thread_checker_impl.h" | 21 #include "base/threading/thread_checker_impl.h" |
11 #endif | 22 #endif |
12 | 23 |
13 namespace base { | 24 namespace base { |
14 | 25 |
15 // Do nothing implementation, for use in release mode. | 26 // Do nothing implementation, for use in release mode. |
16 // | 27 // |
17 // Note: You should almost always use the ThreadChecker class to get the | 28 // Note: You should almost always use the ThreadChecker class to get the |
18 // right version for your build configuration. | 29 // right version for your build configuration. |
19 class ThreadCheckerDoNothing { | 30 class ThreadCheckerDoNothing { |
(...skipping 19 matching lines...) Expand all Loading... |
39 // Example: | 50 // Example: |
40 // class MyClass : public ThreadChecker { | 51 // class MyClass : public ThreadChecker { |
41 // public: | 52 // public: |
42 // void Foo() { | 53 // void Foo() { |
43 // DCHECK(CalledOnValidThread()); | 54 // DCHECK(CalledOnValidThread()); |
44 // ... (do stuff) ... | 55 // ... (do stuff) ... |
45 // } | 56 // } |
46 // } | 57 // } |
47 // | 58 // |
48 // In Release mode, CalledOnValidThread will always return true. | 59 // In Release mode, CalledOnValidThread will always return true. |
49 #ifndef NDEBUG | 60 #if ENABLE_THREAD_CHECKER |
50 class ThreadChecker : public ThreadCheckerImpl { | 61 class ThreadChecker : public ThreadCheckerImpl { |
51 }; | 62 }; |
52 #else | 63 #else |
53 class ThreadChecker : public ThreadCheckerDoNothing { | 64 class ThreadChecker : public ThreadCheckerDoNothing { |
54 }; | 65 }; |
55 #endif // NDEBUG | 66 #endif // ENABLE_THREAD_CHECKER |
| 67 |
| 68 #undef ENABLE_THREAD_CHECKER |
56 | 69 |
57 } // namespace base | 70 } // namespace base |
58 | 71 |
59 #endif // BASE_THREADING_THREAD_CHECKER_H_ | 72 #endif // BASE_THREADING_THREAD_CHECKER_H_ |
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