| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef VM_LOCKERS_H_ |
| #define VM_LOCKERS_H_ |
| |
| #include "platform/assert.h" |
| #include "vm/allocation.h" |
| #include "vm/globals.h" |
| #include "vm/isolate.h" |
| #include "vm/os_thread.h" |
| |
| namespace dart { |
| |
| class MutexLocker : public ValueObject { |
| public: |
| explicit MutexLocker(Mutex* mutex) : mutex_(mutex) { |
| ASSERT(mutex != NULL); |
| // TODO(iposva): Consider adding a no GC scope here. |
| mutex_->Lock(); |
| } |
| |
| virtual ~MutexLocker() { |
| mutex_->Unlock(); |
| // TODO(iposva): Consider decrementing the no GC scope here. |
| } |
| |
| private: |
| Mutex* const mutex_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MutexLocker); |
| }; |
| |
| |
| class MonitorLocker : public ValueObject { |
| public: |
| explicit MonitorLocker(Monitor* monitor) : monitor_(monitor) { |
| ASSERT(monitor != NULL); |
| // TODO(iposva): Consider adding a no GC scope here. |
| monitor_->Enter(); |
| } |
| |
| virtual ~MonitorLocker() { |
| monitor_->Exit(); |
| // TODO(iposva): Consider decrementing the no GC scope here. |
| } |
| |
| Monitor::WaitResult Wait(int64_t millis = Monitor::kNoTimeout) { |
| return monitor_->Wait(millis); |
| } |
| |
| Monitor::WaitResult WaitMicros(int64_t micros = Monitor::kNoTimeout) { |
| return monitor_->WaitMicros(micros); |
| } |
| |
| void Notify() { |
| monitor_->Notify(); |
| } |
| |
| void NotifyAll() { |
| monitor_->NotifyAll(); |
| } |
| |
| private: |
| Monitor* const monitor_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MonitorLocker); |
| }; |
| |
| } // namespace dart |
| |
| |
| #endif // VM_LOCKERS_H_ |