TaskScheduler [7] SchedulerThreadPool

base/task_scheduler/utils.h

+// Copyright 2016 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_SCHEDULER_UTILS_H_
+#define BASE_TASK_SCHEDULER_UTILS_H_
+
+#include <memory>
+
+#include "base/base_export.h"
+#include "base/callback_forward.h"
+#include "base/location.h"
+#include "base/memory/ref_counted.h"
+#include "base/task_scheduler/sequence.h"
+#include "base/task_scheduler/task.h"
+
+namespace base {
+
+class TaskTraits;
+class TimeDelta;
+
+namespace internal {
+
+class PriorityQueue;
+class SchedulerTaskExecutor;
+class TaskTracker;
+
+// Helper for posting a task to the provided |sequence| and |executor|
+// conditional on |task_tracker|. Returns true if the task is posted.
+bool BASE_EXPORT PostTaskHelper(const tracked_objects::Location& posted_from,
+                                const Closure& closure,
+                                const TaskTraits& traits,
+                                const TimeDelta& delay,
+                                scoped_refptr<Sequence> sequence,
+                                SchedulerTaskExecutor* executor,
+                                TaskTracker* task_tracker);
+
+// Helper for posting |task| to the provided |sequence| and |priority_queue|.
+// This must only be called after |task|'s delayed run time. Returns true if
+// |sequence| was empty before |task| was inserted into it.
+bool BASE_EXPORT PostTaskWithSequenceHelper(std::unique_ptr<Task> task,
+                                            scoped_refptr<Sequence> sequence,
+                                            PriorityQueue* priority_queue);
+
+}  // namespace internal
+}  // namespace base
+
+#endif  // BASE_TASK_SCHEDULER_UTILS_H_