blob: 528d14ddb1ef34f5945adee7b4a2ffa4eded89cd [file] [log] [blame]
* 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"
namespace webrtc {
namespace {
TaskQueueFactory* GlobalOrDefault(TaskQueueFactory* global) {
static TaskQueueFactory* const factory =
global ? global : CreateDefaultTaskQueueFactory().release();
return factory;
} // namespace
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 "
"queue was created";
TaskQueueFactory& GlobalTaskQueueFactory() {
return *GlobalOrDefault(nullptr);
} // namespace webrtc