41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
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/*
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* Copyright 2019 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "api/task_queue/global_task_queue_factory.h"
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#include "api/task_queue/default_task_queue_factory.h"
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#include "rtc_base/checks.h"
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namespace webrtc {
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namespace {
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TaskQueueFactory* GlobalOrDefault(TaskQueueFactory* global) {
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static TaskQueueFactory* const factory =
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global ? global : CreateDefaultTaskQueueFactory().release();
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return factory;
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}
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} // namespace
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void SetGlobalTaskQueueFactory(std::unique_ptr<TaskQueueFactory> factory) {
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RTC_CHECK(factory) << "Can't set nullptr TaskQueueFactory";
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// Own, but never delete the global factory.
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TaskQueueFactory* global = factory.release();
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RTC_CHECK(GlobalOrDefault(global) == global)
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<< "Task queue factory set after another SetFactory or after a task "
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"queue was created";
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}
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TaskQueueFactory& GlobalTaskQueueFactory() {
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return *GlobalOrDefault(nullptr);
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}
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} // namespace webrtc
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