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diff --git a/cpp/src/qpid/legacystore/jrnl/aio_callback.h b/cpp/src/qpid/legacystore/jrnl/aio_callback.h
new file mode 100644
index 0000000000..90249278a5
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+++ b/cpp/src/qpid/legacystore/jrnl/aio_callback.h
@@ -0,0 +1,57 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+/**
+ * \file aio_callback.h
+ *
+ * Qpid asynchronous store plugin library
+ *
+ * This file contains the definition for the AIO callback function
+ * pointer.
+ *
+ * \author Kim van der Riet
+ */
+
+#ifndef QPID_LEGACYSTORE_JRNL_AIO_CALLBACK_H
+#define QPID_LEGACYSTORE_JRNL_AIO_CALLBACK_H
+
+#include <vector>
+#include <sys/types.h>
+
+namespace mrg
+{
+namespace journal
+{
+
+    class data_tok;
+
+    class aio_callback
+    {
+    public:
+        virtual ~aio_callback() {}
+        virtual void wr_aio_cb(std::vector<data_tok*>& dtokl) = 0;
+        virtual void rd_aio_cb(std::vector<u_int16_t>& pil) = 0;
+    };
+
+} // namespace journal
+} // namespace mrg
+
+#endif // ifndef QPID_LEGACYSTORE_JRNL_AIO_CALLBACK_H