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+#ifndef QPID_SYS_SHLIB_H
+#define QPID_SYS_SHLIB_H
+
+/*
+ *
+ * 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.
+ *
+ */
+
+#include "qpid/CommonImportExport.h"
+#include <boost/noncopyable.hpp>
+#include <iostream>
+
+namespace qpid {
+namespace sys {
+
+/** Encapsulates a shared library handle.
+ *@see AutoShlib
+ */
+class Shlib {
+ public:
+ /** Load a shared library */
+ Shlib(const char* libname) { load(libname); }
+
+ /** Load a shared library */
+ Shlib(const std::string& libname) { load(libname.c_str()); }
+
+ /** Unload shared library. */
+ QPID_COMMON_EXTERN void unload();
+
+ /** Look up symbol. */
+ QPID_COMMON_EXTERN void* getSymbol(const char* symbol);
+
+ /** Look up symbol in shared library, cast it to the desired
+ * pointer type, void* by default.
+ */
+ template <class T>
+ T getSymbol(const char* symbol) {
+ // Double cast avoids warning about casting object to function pointer
+ return reinterpret_cast<T>(reinterpret_cast<intptr_t>(
+ this->getSymbol(symbol)));
+ }
+
+ private:
+ void* handle;
+ QPID_COMMON_EXTERN void load(const char* libname);
+};
+
+/** A shared library handle that unloads the shlib in it's dtor */
+class AutoShlib : public Shlib {
+ public:
+ /** Load shared library */
+ AutoShlib(const std::string& libname) : Shlib(libname) {}
+ /** Calls unload() */
+ QPID_COMMON_EXTERN ~AutoShlib() throw();
+};
+
+
+}} // namespace qpid::sys
+
+#endif /*!QPID_SYS_SHLIB_H*/