win_tss_ptr.ipp 1.4 KB

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  1. //
  2. // detail/impl/win_tss_ptr.ipp
  3. // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  6. //
  7. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  8. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  9. //
  10. #ifndef BOOST_ASIO_DETAIL_IMPL_WIN_TSS_PTR_IPP
  11. #define BOOST_ASIO_DETAIL_IMPL_WIN_TSS_PTR_IPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #include <boost/asio/detail/config.hpp>
  16. #if defined(BOOST_ASIO_WINDOWS)
  17. #include <boost/asio/detail/throw_error.hpp>
  18. #include <boost/asio/detail/win_tss_ptr.hpp>
  19. #include <boost/asio/error.hpp>
  20. #include <boost/asio/detail/push_options.hpp>
  21. namespace boost {
  22. namespace asio {
  23. namespace detail {
  24. DWORD win_tss_ptr_create()
  25. {
  26. #if defined(UNDER_CE)
  27. const DWORD out_of_indexes = 0xFFFFFFFF;
  28. #else
  29. const DWORD out_of_indexes = TLS_OUT_OF_INDEXES;
  30. #endif
  31. DWORD tss_key = ::TlsAlloc();
  32. if (tss_key == out_of_indexes)
  33. {
  34. DWORD last_error = ::GetLastError();
  35. boost::system::error_code ec(last_error,
  36. boost::asio::error::get_system_category());
  37. boost::asio::detail::throw_error(ec, "tss");
  38. }
  39. return tss_key;
  40. }
  41. } // namespace detail
  42. } // namespace asio
  43. } // namespace boost
  44. #include <boost/asio/detail/pop_options.hpp>
  45. #endif // defined(BOOST_ASIO_WINDOWS)
  46. #endif // BOOST_ASIO_DETAIL_IMPL_WIN_TSS_PTR_IPP