diff --git a/Makefile.am b/Makefile.am index bbb86f54..80b18f62 100644 --- a/Makefile.am +++ b/Makefile.am @@ -179,6 +179,8 @@ UTIL_FILES = \ memory/buffer/circular.hpp \ memory/buffer/paged.cpp \ memory/buffer/paged.hpp \ + memory/deleter.cpp \ + memory/deleter.hpp \ memory/system.cpp \ memory/system.hpp \ net/address.cpp \ diff --git a/memory/deleter.cpp b/memory/deleter.cpp new file mode 100644 index 00000000..7e505e5d --- /dev/null +++ b/memory/deleter.cpp @@ -0,0 +1,32 @@ +/* + * Licensed 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. + * + * Copyright 2015 Danny Robson + */ + +#include "./deleter.hpp" + +using util::memory::object_deleter; + + +/////////////////////////////////////////////////////////////////////////////// +// This instantiation isn't required but it allows us to catch compilation +// errors early within this library rather than at a call site in another +// library. + +class owner { + void dealloc (void*); +}; + + +template class util::memory::object_deleter; diff --git a/memory/deleter.hpp b/memory/deleter.hpp new file mode 100644 index 00000000..97d66646 --- /dev/null +++ b/memory/deleter.hpp @@ -0,0 +1,40 @@ +/* + * Licensed 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. + * + * Copyright 2015 Danny Robson + */ + +#ifndef __UTIL_MEMORY_DELETER_HPP +#define __UTIL_MEMORY_DELETER_HPP + +namespace util { namespace memory { + template + class object_deleter { + public: + static_assert (F != nullptr, "destroy function must be non-null"); + + object_deleter (U &owner): + m_owner (owner) + { ; } + + void operator() (T *t) + { + (m_owner.*F) (t); + } + + private: + U& m_owner; + }; +} } + +#endif