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Unified Diff: third_party/mojo/src/mojo/public/cpp/bindings/lib/message_queue.h

Issue 1311613002: Revert of Update mojo sdk to rev c02a28868825edfa57ab77947b8cb15e741c5598 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 4 months ago
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Index: third_party/mojo/src/mojo/public/cpp/bindings/lib/message_queue.h
diff --git a/third_party/mojo/src/mojo/public/cpp/bindings/lib/message_queue.h b/third_party/mojo/src/mojo/public/cpp/bindings/lib/message_queue.h
new file mode 100644
index 0000000000000000000000000000000000000000..4e46b54a250097ddcbc3b538cd6c042c4425b9cf
--- /dev/null
+++ b/third_party/mojo/src/mojo/public/cpp/bindings/lib/message_queue.h
@@ -0,0 +1,47 @@
+// Copyright 2013 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 MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_QUEUE_H_
+#define MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_QUEUE_H_
+
+#include <queue>
+
+#include "mojo/public/cpp/system/macros.h"
+
+namespace mojo {
+class Message;
+
+namespace internal {
+
+// A queue for Message objects.
+class MessageQueue {
+ public:
+ MessageQueue();
+ ~MessageQueue();
+
+ bool IsEmpty() const;
+ Message* Peek();
+
+ // This method transfers ownership of |message->data| and |message->handles|
+ // to the message queue, resetting |message| in the process.
+ void Push(Message* message);
+
+ // Removes the next message from the queue, transferring ownership of its
+ // data and handles to the given |message|.
+ void Pop(Message* message);
+
+ // Removes the next message from the queue, discarding its data and handles.
+ // This is meant to be used in conjunction with |Peek|.
+ void Pop();
+
+ private:
+ std::queue<Message*> queue_;
+
+ MOJO_DISALLOW_COPY_AND_ASSIGN(MessageQueue);
+};
+
+} // namespace internal
+} // namespace mojo
+
+#endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_QUEUE_H_

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