47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
|
/*
|
||
|
|
* Copyright Andrey Semashev 2016.
|
||
|
|
* Distributed under the Boost Software License, Version 1.0.
|
||
|
|
* (See accompanying file LICENSE_1_0.txt or copy at
|
||
|
|
* http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
*/
|
||
|
|
/*!
|
||
|
|
* \file open_mode.hpp
|
||
|
|
* \author Andrey Semashev
|
||
|
|
* \date 01.01.2016
|
||
|
|
*
|
||
|
|
* The header defines resource opening modes.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef BOOST_LOG_UTILITY_OPEN_MODE_HPP_INCLUDED_
|
||
|
|
#define BOOST_LOG_UTILITY_OPEN_MODE_HPP_INCLUDED_
|
||
|
|
|
||
|
|
#include <boost/log/detail/config.hpp>
|
||
|
|
#include <boost/log/detail/header.hpp>
|
||
|
|
|
||
|
|
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||
|
|
#pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
|
||
|
|
BOOST_LOG_OPEN_NAMESPACE
|
||
|
|
|
||
|
|
namespace open_mode {
|
||
|
|
|
||
|
|
//! Create a new resource; fail if exists already
|
||
|
|
struct create_only_tag {} const create_only = create_only_tag();
|
||
|
|
//! Opens an existing resource; fail if not exist
|
||
|
|
struct open_only_tag {} const open_only = open_only_tag();
|
||
|
|
//! Creates a new resource or opens an existing one
|
||
|
|
struct open_or_create_tag {} const open_or_create = open_or_create_tag();
|
||
|
|
|
||
|
|
} // namespace open_mode
|
||
|
|
|
||
|
|
BOOST_LOG_CLOSE_NAMESPACE // namespace log
|
||
|
|
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#include <boost/log/detail/footer.hpp>
|
||
|
|
|
||
|
|
#endif // BOOST_LOG_UTILITY_OPEN_MODE_HPP_INCLUDED_
|