mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2025-02-26 20:03:26 +03:00
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
// 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.
|
|
|
|
#ifndef BASE_TASK_SIMPLE_TASK_EXECUTOR_H_
|
|
#define BASE_TASK_SIMPLE_TASK_EXECUTOR_H_
|
|
|
|
#include "base/task/task_executor.h"
|
|
#include "build/build_config.h"
|
|
|
|
namespace base {
|
|
namespace sequence_manager {
|
|
class SequenceManager;
|
|
} // namespace sequence_manager
|
|
|
|
// A simple TaskExecutor with exactly one SingleThreadTaskRunner.
|
|
// Must be instantiated and destroyed on the thread that runs tasks for the
|
|
// SingleThreadTaskRunner.
|
|
class BASE_EXPORT SimpleTaskExecutor : public TaskExecutor {
|
|
public:
|
|
// If |sequence_manager| is null, GetContinuationTaskRunner will always return
|
|
// |task_queue| even if no task is running.
|
|
SimpleTaskExecutor(sequence_manager::SequenceManager* sequence_manager,
|
|
scoped_refptr<SingleThreadTaskRunner> task_queue);
|
|
|
|
~SimpleTaskExecutor() override;
|
|
|
|
bool PostDelayedTask(const Location& from_here,
|
|
const TaskTraits& traits,
|
|
OnceClosure task,
|
|
TimeDelta delay) override;
|
|
|
|
scoped_refptr<TaskRunner> CreateTaskRunner(const TaskTraits& traits) override;
|
|
|
|
scoped_refptr<SequencedTaskRunner> CreateSequencedTaskRunner(
|
|
const TaskTraits& traits) override;
|
|
|
|
scoped_refptr<SingleThreadTaskRunner> CreateSingleThreadTaskRunner(
|
|
const TaskTraits& traits,
|
|
SingleThreadTaskRunnerThreadMode thread_mode) override;
|
|
|
|
#if defined(OS_WIN)
|
|
scoped_refptr<SingleThreadTaskRunner> CreateCOMSTATaskRunner(
|
|
const TaskTraits& traits,
|
|
SingleThreadTaskRunnerThreadMode thread_mode) override;
|
|
#endif // defined(OS_WIN)
|
|
|
|
const scoped_refptr<SequencedTaskRunner>& GetContinuationTaskRunner()
|
|
override;
|
|
|
|
protected:
|
|
sequence_manager::SequenceManager* const sequence_manager_;
|
|
const scoped_refptr<SequencedTaskRunner> sequenced_task_queue_;
|
|
const scoped_refptr<SingleThreadTaskRunner> task_queue_;
|
|
|
|
// In tests there may already be a TaskExecutor registered for the thread, we
|
|
// keep tack of the previous TaskExecutor and restored it upon destruction.
|
|
TaskExecutor* const previous_task_executor_;
|
|
};
|
|
|
|
} // namespace base
|
|
|
|
#endif // BASE_TASK_SIMPLE_TASK_EXECUTOR_H_
|