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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef RUNTIME_BIN_LOCKERS_H_ | 5 #ifndef RUNTIME_BIN_LOCKERS_H_ |
| 6 #define RUNTIME_BIN_LOCKERS_H_ | 6 #define RUNTIME_BIN_LOCKERS_H_ |
| 7 | 7 |
| 8 #include "bin/thread.h" | 8 #include "bin/thread.h" |
| 9 #include "platform/assert.h" | 9 #include "platform/assert.h" |
| 10 | 10 |
| 11 namespace dart { | 11 namespace dart { |
| 12 namespace bin { | 12 namespace bin { |
| 13 | 13 |
| 14 class MutexLocker { | 14 class MutexLocker { |
| 15 public: | 15 public: |
| 16 explicit MutexLocker(Mutex* mutex) : mutex_(mutex) { | 16 explicit MutexLocker(Mutex* mutex) : mutex_(mutex) { |
| 17 ASSERT(mutex != NULL); | 17 ASSERT(mutex != NULL); |
| 18 mutex_->Lock(); | 18 mutex_->Lock(); |
| 19 } | 19 } |
| 20 | 20 |
| 21 virtual ~MutexLocker() { | 21 virtual ~MutexLocker() { mutex_->Unlock(); } |
| 22 mutex_->Unlock(); | |
| 23 } | |
| 24 | 22 |
| 25 private: | 23 private: |
| 26 Mutex* const mutex_; | 24 Mutex* const mutex_; |
| 27 | 25 |
| 28 DISALLOW_COPY_AND_ASSIGN(MutexLocker); | 26 DISALLOW_COPY_AND_ASSIGN(MutexLocker); |
| 29 }; | 27 }; |
| 30 | 28 |
| 31 | 29 |
| 32 class MonitorLocker { | 30 class MonitorLocker { |
| 33 public: | 31 public: |
| 34 explicit MonitorLocker(Monitor* monitor) : monitor_(monitor) { | 32 explicit MonitorLocker(Monitor* monitor) : monitor_(monitor) { |
| 35 ASSERT(monitor != NULL); | 33 ASSERT(monitor != NULL); |
| 36 monitor_->Enter(); | 34 monitor_->Enter(); |
| 37 } | 35 } |
| 38 | 36 |
| 39 virtual ~MonitorLocker() { | 37 virtual ~MonitorLocker() { monitor_->Exit(); } |
| 40 monitor_->Exit(); | |
| 41 } | |
| 42 | 38 |
| 43 Monitor::WaitResult Wait(int64_t millis = Monitor::kNoTimeout) { | 39 Monitor::WaitResult Wait(int64_t millis = Monitor::kNoTimeout) { |
| 44 return monitor_->Wait(millis); | 40 return monitor_->Wait(millis); |
| 45 } | 41 } |
| 46 | 42 |
| 47 void Notify() { | 43 void Notify() { monitor_->Notify(); } |
| 48 monitor_->Notify(); | |
| 49 } | |
| 50 | 44 |
| 51 void NotifyAll() { | 45 void NotifyAll() { monitor_->NotifyAll(); } |
| 52 monitor_->NotifyAll(); | |
| 53 } | |
| 54 | 46 |
| 55 private: | 47 private: |
| 56 Monitor* const monitor_; | 48 Monitor* const monitor_; |
| 57 | 49 |
| 58 DISALLOW_COPY_AND_ASSIGN(MonitorLocker); | 50 DISALLOW_COPY_AND_ASSIGN(MonitorLocker); |
| 59 }; | 51 }; |
| 60 | 52 |
| 61 } // namespace bin | 53 } // namespace bin |
| 62 } // namespace dart | 54 } // namespace dart |
| 63 | 55 |
| 64 #endif // RUNTIME_BIN_LOCKERS_H_ | 56 #endif // RUNTIME_BIN_LOCKERS_H_ |
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