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Unified Diff: base/task_scheduler/utils.h

Issue 1708773002: TaskScheduler [7] SchedulerThreadPool (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@s_5_worker_thread
Patch Set: fix windows build error Created 4 years, 8 months ago
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Index: base/task_scheduler/utils.h
diff --git a/base/task_scheduler/utils.h b/base/task_scheduler/utils.h
new file mode 100644
index 0000000000000000000000000000000000000000..88eafd5139c5de01f61846dc678eb8306aeef084
--- /dev/null
+++ b/base/task_scheduler/utils.h
@@ -0,0 +1,50 @@
+// 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;
+
+// Attempts to post a task to the provided |sequence| and |executor| conditional
+// on |task_tracker|. Returns true if the task is posted.
+bool BASE_EXPORT
+PostTaskToExecutor(const tracked_objects::Location& posted_from,
+ const Closure& closure,
+ const TaskTraits& traits,
+ const TimeDelta& delay,
+ scoped_refptr<Sequence> sequence,
+ SchedulerTaskExecutor* executor,
+ TaskTracker* task_tracker);
+
+// Posts |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
+AddTaskToSequenceAndPriorityQueue(std::unique_ptr<Task> task,
+ scoped_refptr<Sequence> sequence,
+ PriorityQueue* priority_queue);
+
+} // namespace internal
+} // namespace base
+
+#endif // BASE_TASK_SCHEDULER_UTILS_H_
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