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// Copyright (c) 2012 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.
#ifndef BASE_THREAD_TASK_RUNNER_HANDLE_H_
#define BASE_THREAD_TASK_RUNNER_HANDLE_H_
#include "base/base_export.h"
#include "base/memory/ref_counted.h"
namespace base {
class SingleThreadTaskRunner;
// ThreadTaskRunnerHandle stores a reference to the main task runner
// for each thread. Not more than one of these objects can be created
// per thread. After an instance of this object is created the Get()
// function will return the |task_runner| specified in the
// constructor.
class BASE_EXPORT ThreadTaskRunnerHandle {
public:
// Gets the SingleThreadTaskRunner for the current thread.
static scoped_refptr<SingleThreadTaskRunner> Get();
ThreadTaskRunnerHandle(
const scoped_refptr<SingleThreadTaskRunner>& task_runner);
~ThreadTaskRunnerHandle();
private:
scoped_refptr<SingleThreadTaskRunner> task_runner_;
};
} // namespace base
#endif // BASE_THREAD_TASK_RUNNER_HANDLE_H_