win_tss_ptr.ipp
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//
// detail/impl/win_tss_ptr.ipp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2020 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_IMPL_WIN_TSS_PTR_IPP
#define ASIO_DETAIL_IMPL_WIN_TSS_PTR_IPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#if defined(ASIO_WINDOWS)
#include "asio/detail/throw_error.hpp"
#include "asio/detail/win_tss_ptr.hpp"
#include "asio/error.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail {
DWORD win_tss_ptr_create()
{
#if defined(UNDER_CE)
const DWORD out_of_indexes = 0xFFFFFFFF;
#else
const DWORD out_of_indexes = TLS_OUT_OF_INDEXES;
#endif
DWORD tss_key = ::TlsAlloc();
if (tss_key == out_of_indexes)
{
DWORD last_error = ::GetLastError();
asio::error_code ec(last_error,
asio::error::get_system_category());
asio::detail::throw_error(ec, "tss");
}
return tss_key;
}
} // namespace detail
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // defined(ASIO_WINDOWS)
#endif // ASIO_DETAIL_IMPL_WIN_TSS_PTR_IPP