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// Copyright 2019 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.
#include "net/base/network_notification_thread_mac.h"
#include "base/message_loop/message_pump_type.h"
#include "base/no_destructor.h"
#include "base/threading/thread.h"
namespace net {
namespace {
class NotificationThreadMac {
public:
NotificationThreadMac(const NotificationThreadMac&) = delete;
NotificationThreadMac& operator=(const NotificationThreadMac&) = delete;
scoped_refptr<base::SingleThreadTaskRunner> task_runner() const {
return task_runner_;
}
private:
friend base::NoDestructor<NotificationThreadMac>;
NotificationThreadMac() : thread_("NetworkNotificationThreadMac") {
base::Thread::Options options;
options.message_pump_type = base::MessagePumpType::UI;
options.joinable = false;
thread_.StartWithOptions(std::move(options));
task_runner_ = thread_.task_runner();
thread_.DetachFromSequence();
}
~NotificationThreadMac() = delete;
// The |thread_| object is not thread-safe. This should not be accessed
// outside the constructor.
base::Thread thread_;
// Saved TaskRunner handle that can be accessed from any thread.
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
};
} // namespace
scoped_refptr<base::SingleThreadTaskRunner> GetNetworkNotificationThreadMac() {
static base::NoDestructor<NotificationThreadMac> notification_thread;
return notification_thread->task_runner();
}
} // namespace net
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