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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_THREAD_RESTRICTIONS_H_ | 5 #ifndef BASE_THREADING_THREAD_RESTRICTIONS_H_ |
| 6 #define BASE_THREAD_RESTRICTIONS_H_ | 6 #define BASE_THREADING_THREAD_RESTRICTIONS_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 | 9 |
| 10 namespace base { | 10 namespace base { |
| 11 | 11 |
| 12 // Certain behavior is disallowed on certain threads. ThreadRestrictions helps | 12 // Certain behavior is disallowed on certain threads. ThreadRestrictions helps |
| 13 // enforce these rules. Examples of such rules: | 13 // enforce these rules. Examples of such rules: |
| 14 // | 14 // |
| 15 // * Do not do blocking IO (makes the thread janky) | 15 // * Do not do blocking IO (makes the thread janky) |
| 16 // * Do not access Singleton/LazyInstance (may lead to shutdown crashes) | 16 // * Do not access Singleton/LazyInstance (may lead to shutdown crashes) |
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| 90 static bool SetSingletonAllowed(bool allowed) { return true; } | 90 static bool SetSingletonAllowed(bool allowed) { return true; } |
| 91 static void AssertSingletonAllowed() {} | 91 static void AssertSingletonAllowed() {} |
| 92 #endif | 92 #endif |
| 93 | 93 |
| 94 private: | 94 private: |
| 95 DISALLOW_IMPLICIT_CONSTRUCTORS(ThreadRestrictions); | 95 DISALLOW_IMPLICIT_CONSTRUCTORS(ThreadRestrictions); |
| 96 }; | 96 }; |
| 97 | 97 |
| 98 } // namespace base | 98 } // namespace base |
| 99 | 99 |
| 100 #endif // BASE_THREAD_RESTRICTIONS_H_ | 100 #endif // BASE_THREADING_THREAD_RESTRICTIONS_H_ |
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