Task Scheduler.

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 "base/base_export.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/task_scheduler/sequence.h"
+#include "base/task_scheduler/task.h"
+
+namespace base {
+namespace task_scheduler {
+
+class DelayedTaskManager;
+class PriorityQueue;
+class ShutdownManager;
+
+// Name used to annotate tasks posted to the task scheduler.
+// See task_annotator.h for more details.
+extern const char kQueueFunctionName[];
+
+// Adds |task| to |delayed_task_manager| if it has a delayed run time.
+// Otherwise, calls PostTaskNowHelper().
+void BASE_EXPORT PostTaskHelper(const Task& task,
+                                scoped_refptr<Sequence> sequence,
+                                PriorityQueue* priority_queue,
+                                ShutdownManager* shutdown_manager,
+                                DelayedTaskManager* delayed_task_manager);
+
+// Inserts |task| into |sequence|. Then, inserts |sequence| into
+// |priority_queue| if it was empty before |task| was inserted into it.
+// |shutdown_manager| is consulted to determine whether it is too late to post
+// the task.
+void BASE_EXPORT PostTaskNowHelper(const Task& task,
+                                   scoped_refptr<Sequence> sequence,
+                                   PriorityQueue* priority_queue,
+                                   ShutdownManager* shutdown_manager);
+
+}  // namespace task_scheduler
+}  // namespace base
+
+#endif  // BASE_TASK_SCHEDULER_UTILS_H_