| * 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. |
| #include "api/task_queue/global_task_queue_factory.h" |
| #include "api/task_queue/default_task_queue_factory.h" |
| #include "rtc_base/checks.h" |
| TaskQueueFactory* GlobalOrDefault(TaskQueueFactory* global) { |
| static TaskQueueFactory* const factory = |
| global ? global : CreateDefaultTaskQueueFactory().release(); |
| void SetGlobalTaskQueueFactory(std::unique_ptr<TaskQueueFactory> factory) { |
| RTC_CHECK(factory) << "Can't set nullptr TaskQueueFactory"; |
| // Own, but never delete the global factory. |
| TaskQueueFactory* global = factory.release(); |
| RTC_CHECK(GlobalOrDefault(global) == global) |
| << "Task queue factory set after another SetFactory or after a task " |
| TaskQueueFactory& GlobalTaskQueueFactory() { |
| return *GlobalOrDefault(nullptr); |