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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_PUBLIC_NON_MAIN_THREAD_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_PUBLIC_NON_MAIN_THREAD_H_
#include "base/task/single_thread_task_runner.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread.h"
namespace blink {
// The interface of a non-main thread in Blink.
//
// This class will have an unrestricted GetTaskRunner method, anyone can use
// it. For main thread a frame based task runner should likely be used,
// so `Thread::GetTaskRunner` will eventually be removed or restricted via a
// pass key.
//
class PLATFORM_EXPORT NonMainThread : public Thread {
public:
// Creates a new non-main thread. This may be called from a non-main thread
// (e.g. nested Web workers).
static std::unique_ptr<NonMainThread> CreateThread(
const ThreadCreationParams&);
// Default task runner for this non-main thread.
virtual scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner() const {
return nullptr;
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_PUBLIC_NON_MAIN_THREAD_H_
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