Index: base/serial_executor.h |
diff --git a/base/serial_executor.h b/base/serial_executor.h |
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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_SERIAL_EXECUTOR_H_ |
+#define BASE_SERIAL_EXECUTOR_H_ |
+#pragma once |
+ |
+#include "base/base_export.h" |
+#include "base/executor.h" |
+ |
+namespace base { |
+ |
+// A SerialExecutor is an Executor with more guarantees. In |
+// particular, it guarantees that all submitted tasks, if executed, |
+// will be executed on a single specific thread. Furthermore, it |
darin (slow to review)
2012/01/25 07:25:56
It wasn't clear to me that we needed this interfac
|
+// guarantees that tasks with the same delay and same nestable state |
+// (i.e., whether the task was posted via Post*Task or |
+// PostNonNestable*Task) get processed in FIFO order, with Post*Task |
+// being equivalent to Post*DelayedTask with zero delay. |
+class BASE_EXPORT SerialExecutor : public Executor { |
+ public: |
+ // Returns true iff the current thread is the thread which tasks |
+ // submitted to this object will run on. |
+ // |
+ // TODO(akalin): Make this a const function. |
+ virtual bool BelongsToCurrentThread() = 0; |
+}; |
+ |
+} // namespace base |
+ |
+#endif // BASE_SERIAL_EXECUTOR_H_ |