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
3// BSD-style license that can be found in the LICENSE file.
4
5#ifndef RUNTIME_BIN_LOCKERS_H_
6#define RUNTIME_BIN_LOCKERS_H_
7
8#include "bin/thread.h"
9#include "platform/assert.h"
10
11namespace dart {
12namespace bin {
13
14class MutexLocker {
15 public:
16 explicit MutexLocker(Mutex* mutex) : mutex_(mutex) {
17 ASSERT(mutex != NULL);
18 mutex_->Lock();
19 }
20
21 virtual ~MutexLocker() { mutex_->Unlock(); }
22
23 private:
24 Mutex* const mutex_;
25
26 DISALLOW_COPY_AND_ASSIGN(MutexLocker);
27};
28
29class MonitorLocker {
30 public:
31 explicit MonitorLocker(Monitor* monitor) : monitor_(monitor) {
32 ASSERT(monitor != NULL);
33 monitor_->Enter();
34 }
35
36 virtual ~MonitorLocker() { monitor_->Exit(); }
37
38 Monitor::WaitResult Wait(int64_t millis = Monitor::kNoTimeout) {
39 return monitor_->Wait(millis);
40 }
41
42 void Notify() { monitor_->Notify(); }
43
44 void NotifyAll() { monitor_->NotifyAll(); }
45
46 private:
47 Monitor* const monitor_;
48
49 DISALLOW_COPY_AND_ASSIGN(MonitorLocker);
50};
51
52} // namespace bin
53} // namespace dart
54
55#endif // RUNTIME_BIN_LOCKERS_H_
56