|  | /* | 
|  | *  Copyright 2019 The WebRTC Project Authors. All rights reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  | #ifndef API_TASK_QUEUE_GLOBAL_TASK_QUEUE_FACTORY_H_ | 
|  | #define API_TASK_QUEUE_GLOBAL_TASK_QUEUE_FACTORY_H_ | 
|  |  | 
|  | #include <memory> | 
|  |  | 
|  | #include "api/task_queue/task_queue_factory.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | // May be called at most once, and before any TaskQueue is created. | 
|  | void SetGlobalTaskQueueFactory(std::unique_ptr<TaskQueueFactory> factory); | 
|  |  | 
|  | // Returns TaskQueue factory. Always returns the same factory. | 
|  | TaskQueueFactory& GlobalTaskQueueFactory(); | 
|  |  | 
|  | }  // namespace webrtc | 
|  |  | 
|  | #endif  // API_TASK_QUEUE_GLOBAL_TASK_QUEUE_FACTORY_H_ |