Index: base/task_scheduler/scoped_set_task_priority_for_current_thread.h |
diff --git a/base/task_scheduler/scoped_set_task_priority_for_current_thread.h b/base/task_scheduler/scoped_set_task_priority_for_current_thread.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4508911d9ca2f75ab8f3b4bfa5001728bb5ad156 |
--- /dev/null |
+++ b/base/task_scheduler/scoped_set_task_priority_for_current_thread.h |
@@ -0,0 +1,36 @@ |
+// 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_SCOPED_SET_TASK_PRIORITY_FOR_CURRENT_THREAD_H_ |
+#define BASE_TASK_SCHEDULER_SCOPED_SET_TASK_PRIORITY_FOR_CURRENT_THREAD_H_ |
+ |
+#include "base/base_export.h" |
+#include "base/macros.h" |
+#include "base/task_scheduler/task_traits.h" |
+ |
+namespace base { |
+namespace internal { |
+ |
+class BASE_EXPORT ScopedSetTaskPriorityForCurrentThread { |
+ public: |
+ // Within the scope of this object, GetTaskPriorityForCurrentThread() will |
+ // return |priority|. |
+ ScopedSetTaskPriorityForCurrentThread(TaskPriority priority); |
+ ~ScopedSetTaskPriorityForCurrentThread(); |
+ |
+ private: |
+ const TaskPriority priority_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ScopedSetTaskPriorityForCurrentThread); |
+}; |
+ |
+// Returns the priority of the TaskScheduler task running on the current thread, |
+// or TaskPriority::USER_VISIBLE if no TaskScheduler task is running on the |
+// current thread. |
+BASE_EXPORT TaskPriority GetTaskPriorityForCurrentThread(); |
+ |
+} // namespace internal |
+} // namespace base |
+ |
+#endif // BASE_TASK_SCHEDULER_SCOPED_SET_TASK_PRIORITY_FOR_CURRENT_THREAD_H_ |