43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This file contains the implementation shared by
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// MessageLoopProxy::PostTaskAndReply and WorkerPool::PostTaskAndReply.
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#ifndef BASE_THREADING_POST_TASK_AND_REPLY_IMPL_H_
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#define BASE_THREADING_POST_TASK_AND_REPLY_IMPL_H_
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#include "base/callback_forward.h"
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#include "base/location.h"
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namespace base {
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namespace internal {
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// Inherit from this in a class that implements PostTask appropriately
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// for sending to a destination thread.
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//
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// Note that 'reply' will always get posted back to your current
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// MessageLoop.
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//
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// If you're looking for a concrete implementation of
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// PostTaskAndReply, you probably want base::MessageLoopProxy, or you
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// may want base::WorkerPool.
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class PostTaskAndReplyImpl {
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public:
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// Implementation for MessageLoopProxy::PostTaskAndReply and
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// WorkerPool::PostTaskAndReply.
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bool PostTaskAndReply(const tracked_objects::Location& from_here,
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const Closure& task,
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const Closure& reply);
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private:
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virtual bool PostTask(const tracked_objects::Location& from_here,
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const Closure& task) = 0;
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};
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} // namespace internal
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} // namespace base
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#endif // BASE_THREADING_POST_TASK_AND_REPLY_IMPL_H_
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