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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CONTENT_CHILD_SCOPED_CHILD_PROCESS_REFERENCE_H_ | 5 #ifndef CONTENT_CHILD_SCOPED_CHILD_PROCESS_REFERENCE_H_ |
| 6 #define CONTENT_CHILD_SCOPED_CHILD_PROCESS_REFERENCE_H_ | 6 #define CONTENT_CHILD_SCOPED_CHILD_PROCESS_REFERENCE_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/macros.h" |
| 9 | 9 |
| 10 namespace base { | 10 namespace base { |
| 11 class TimeDelta; | 11 class TimeDelta; |
| 12 } | 12 } |
| 13 | 13 |
| 14 namespace content { | 14 namespace content { |
| 15 | 15 |
| 16 // Scoper class that automatically adds a reference to the current child | 16 // Scoper class that automatically adds a reference to the current child |
| 17 // process in constructor and releases the reference on scope out. | 17 // process in constructor and releases the reference on scope out. |
| 18 // Consumers of this class can call ReleaseWithDelay() to explicitly release | 18 // Consumers of this class can call ReleaseWithDelay() to explicitly release |
| 19 // the reference with a certain delay. | 19 // the reference with a certain delay. |
| 20 class ScopedChildProcessReference { | 20 class ScopedChildProcessReference { |
| 21 public: | 21 public: |
| 22 ScopedChildProcessReference(); | 22 ScopedChildProcessReference(); |
| 23 ~ScopedChildProcessReference(); | 23 ~ScopedChildProcessReference(); |
| 24 | 24 |
| 25 // Releases the process reference after |delay|. Once this is called | 25 // Releases the process reference after |delay|. Once this is called |
| 26 // scoping out has no effect. | 26 // scoping out has no effect. |
| 27 // It is not valid to call this more than once. | 27 // It is not valid to call this more than once. |
| 28 void ReleaseWithDelay(const base::TimeDelta& delay); | 28 void ReleaseWithDelay(const base::TimeDelta& delay); |
| 29 | 29 |
| 30 private: | 30 private: |
| 31 bool has_reference_; | 31 bool has_reference_; |
| 32 |
| 32 DISALLOW_COPY_AND_ASSIGN(ScopedChildProcessReference); | 33 DISALLOW_COPY_AND_ASSIGN(ScopedChildProcessReference); |
| 33 }; | 34 }; |
| 34 | 35 |
| 35 } // namespace content | 36 } // namespace content |
| 36 | 37 |
| 37 #endif // CONTENT_CHILD_SCOPED_CHILD_PROCESS_REFERENCE_H_ | 38 #endif // CONTENT_CHILD_SCOPED_CHILD_PROCESS_REFERENCE_H_ |
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