Index: base/task_scheduler/scheduler_lock.h |
diff --git a/base/task_scheduler/scheduler_lock.h b/base/task_scheduler/scheduler_lock.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..639def31dd02b0106c00968d2baebe9673f60b0f |
--- /dev/null |
+++ b/base/task_scheduler/scheduler_lock.h |
@@ -0,0 +1,58 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef BASE_TASK_SCHEDULER_SCHEDULER_LOCK_H |
+#define BASE_TASK_SCHEDULER_SCHEDULER_LOCK_H |
+ |
+#include <vector> |
+ |
+#include "base/base_export.h" |
+#include "base/macros.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "base/synchronization/condition_variable.h" |
+#include "base/synchronization/lock.h" |
+#include "base/task_scheduler/scheduler_lock_impl.h" |
+ |
+namespace base { |
+namespace internal { |
+ |
gab
2016/02/18 16:58:06
Add a meta comment here on how this class should b
robliao
2016/02/18 21:59:36
Done, except for the loops part. The unit tests ac
|
+#if DCHECK_IS_ON() |
+class SchedulerLock : public SchedulerLockImpl { |
+ public: |
+ SchedulerLock() = default; |
+ explicit SchedulerLock(const SchedulerLock* predecessor) |
+ : SchedulerLockImpl(predecessor) {} |
+}; |
+#else |
gab
2016/02/18 16:58:06
#else // DCHECK_IS_ON()
robliao
2016/02/18 21:59:36
Done.
|
+class SchedulerLock : public Lock { |
+ public: |
+ SchedulerLock() = default; |
+ explicit SchedulerLock(const SchedulerLock*) {} |
+ |
+ // Functionally equivalent to SchedulerLockImpl::CreateConditionVariable. |
+ scoped_ptr<ConditionVariable> CreateConditionVariable() { |
+ return scoped_ptr<ConditionVariable>(new ConditionVariable(this)); |
+ } |
+}; |
+#endif |
gab
2016/02/18 16:58:06
#endif // DCHECK_IS_ON()
robliao
2016/02/18 21:59:36
Done.
|
+ |
+class AutoSchedulerLock { |
+ public: |
+ explicit AutoSchedulerLock(SchedulerLock& lock) : lock_(lock) { |
+ lock_.Acquire(); |
+ } |
+ |
+ ~AutoSchedulerLock() { |
+ lock_.Release(); |
gab
2016/02/18 16:58:06
Add
lock_.AssertAcquired();
above.
(to match Au
robliao
2016/02/18 21:59:36
Done.
|
+ } |
+ |
+ private: |
+ SchedulerLock& lock_; |
+ DISALLOW_COPY_AND_ASSIGN(AutoSchedulerLock); |
gab
2016/02/18 16:58:06
Chromium style is typically to have an empty line
robliao
2016/02/18 21:59:36
Done.
|
+}; |
+ |
+} // namespace internal |
+} // namespace base |
+ |
+#endif // BASE_TASK_SCHEDULER_SCHEDULER_LOCK_H |