[lttng-tools.git] / src / common / meta-helpers.hpp

/*
 * Copyright (C) 2024 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 */

#ifndef LTTNG_META_HELPERS_HPP
#define LTTNG_META_HELPERS_HPP

#include <memory>

/*
 * Collection of meta-programming helpers.
 *
 * @see type-traits.hpp
 */
namespace lttng {
namespace memory {
template <typename WrappedType, void (*DeleterFunction)(WrappedType *)>
struct create_deleter_class {
	struct deleter {
		void operator()(WrappedType *instance) const
		{
			DeleterFunction(instance);
		}
	};

	std::unique_ptr<WrappedType, deleter> operator()(WrappedType *instance) const
	{
		return std::unique_ptr<WrappedType, deleter>(instance);
	}
};
} /* namespace memory */
} /* namespace lttng */

#endif /* LTTNG_META_HELPERS_HPP */
Commit	Line	Data
a0a4f314 JG	1	/*
	2	* Copyright (C) 2024 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	3	*
	4	* SPDX-License-Identifier: LGPL-2.1-only
	5	*
	6	*/
	7
	8	#ifndef LTTNG_META_HELPERS_HPP
	9	#define LTTNG_META_HELPERS_HPP
	10
	11	#include <memory>
	12
	13	/*
	14	* Collection of meta-programming helpers.
	15	*
	16	* @see type-traits.hpp
	17	*/
	18	namespace lttng {
	19	namespace memory {
	20	template <typename WrappedType, void (DeleterFunction)(WrappedType )>
	21	struct create_deleter_class {
	22	struct deleter {
	23	void operator()(WrappedType *instance) const
	24	{
	25	DeleterFunction(instance);
	26	}
	27	};
	28
	29	std::unique_ptr<WrappedType, deleter> operator()(WrappedType *instance) const
	30	{
	31	return std::unique_ptr<WrappedType, deleter>(instance);
	32	}
	33	};
	34	} /* namespace memory */
	35	} /* namespace lttng */
	36
	37	#endif /* LTTNG_META_HELPERS_HPP */