// 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_SCOPED_SET_TASK_PRIORITY_FOR_CURRENT_THREAD_H_ #define BASE_TASK_SCOPED_SET_TASK_PRIORITY_FOR_CURRENT_THREAD_H_ #include "base/base_export.h" #include "base/task/task_traits.h" namespace base { namespace internal { class BASE_EXPORT ScopedSetTaskPriorityForCurrentThread { public: // Within the scope of this object, GetTaskPriorityForCurrentThread() will // return |priority|. explicit ScopedSetTaskPriorityForCurrentThread(TaskPriority priority); ScopedSetTaskPriorityForCurrentThread( const ScopedSetTaskPriorityForCurrentThread&) = delete; ScopedSetTaskPriorityForCurrentThread& operator=( const ScopedSetTaskPriorityForCurrentThread&) = delete; ~ScopedSetTaskPriorityForCurrentThread(); private: const TaskPriority priority_; }; // Returns the priority of the task running on the current thread, // or TaskPriority::USER_BLOCKING by default if none. BASE_EXPORT TaskPriority GetTaskPriorityForCurrentThread(); } // namespace internal } // namespace base #endif // BASE_TASK_SCOPED_SET_TASK_PRIORITY_FOR_CURRENT_THREAD_H_