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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
// Copyright 2013 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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#ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_QUEUE_H_
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#define MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_QUEUE_H_
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#include <queue>
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#include "mojo/public/cpp/system/macros.h"
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namespace mojo {
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class Message;
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namespace internal {
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// A queue for Message objects.
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class MessageQueue {
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public:
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MessageQueue();
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~MessageQueue();
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bool IsEmpty() const;
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Message* Peek();
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// This method transfers ownership of |message->data| and |message->handles|
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// to the message queue, resetting |message| in the process.
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void Push(Message* message);
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// Removes the next message from the queue, transferring ownership of its
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// data and handles to the given |message|.
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void Pop(Message* message);
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// Removes the next message from the queue, discarding its data and handles.
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// This is meant to be used in conjunction with |Peek|.
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void Pop();
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private:
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std::queue<Message*> queue_;
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MOJO_DISALLOW_COPY_AND_ASSIGN(MessageQueue);
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};
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} // namespace internal
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} // namespace mojo
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#endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_QUEUE_H_
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