diff options
Diffstat (limited to 'lib/asio/detail/global.hpp')
-rw-r--r-- | lib/asio/detail/global.hpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/lib/asio/detail/global.hpp b/lib/asio/detail/global.hpp new file mode 100644 index 0000000..085ac64 --- /dev/null +++ b/lib/asio/detail/global.hpp @@ -0,0 +1,52 @@ +// +// detail/global.hpp +// ~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// +// 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) +// + +#ifndef ASIO_DETAIL_GLOBAL_HPP +#define ASIO_DETAIL_GLOBAL_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/config.hpp" + +#if !defined(ASIO_HAS_THREADS) +# include "asio/detail/null_global.hpp" +#elif defined(ASIO_WINDOWS) +# include "asio/detail/win_global.hpp" +#elif defined(ASIO_HAS_PTHREADS) +# include "asio/detail/posix_global.hpp" +#elif defined(ASIO_HAS_STD_CALL_ONCE) +# include "asio/detail/std_global.hpp" +#else +# error Only Windows, POSIX and std::call_once are supported! +#endif + +namespace asio { +namespace detail { + +template <typename T> +inline T& global() +{ +#if !defined(ASIO_HAS_THREADS) + return null_global<T>(); +#elif defined(ASIO_WINDOWS) + return win_global<T>(); +#elif defined(ASIO_HAS_PTHREADS) + return posix_global<T>(); +#elif defined(ASIO_HAS_STD_CALL_ONCE) + return std_global<T>(); +#endif +} + +} // namespace detail +} // namespace asio + +#endif // ASIO_DETAIL_GLOBAL_HPP |