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author | Remko Tronçon <git@el-tramo.be> | 2010-03-28 15:46:49 (GMT) |
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committer | Remko Tronçon <git@el-tramo.be> | 2010-03-28 15:46:49 (GMT) |
commit | f53a1ef582494458301b97bf6e546be52d7ff7e8 (patch) | |
tree | 7571b5cbcbd8a8f1dd1c966c9045b6cb69f0e295 /3rdParty/Boost/src/boost/asio/detail/win_fd_set_adapter.hpp | |
parent | 638345680d72ca6acaf123f2c8c1c391f696e371 (diff) | |
download | swift-f53a1ef582494458301b97bf6e546be52d7ff7e8.zip swift-f53a1ef582494458301b97bf6e546be52d7ff7e8.tar.bz2 |
Moving submodule contents back.
Diffstat (limited to '3rdParty/Boost/src/boost/asio/detail/win_fd_set_adapter.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/asio/detail/win_fd_set_adapter.hpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/asio/detail/win_fd_set_adapter.hpp b/3rdParty/Boost/src/boost/asio/detail/win_fd_set_adapter.hpp new file mode 100644 index 0000000..9127a41 --- /dev/null +++ b/3rdParty/Boost/src/boost/asio/detail/win_fd_set_adapter.hpp @@ -0,0 +1,90 @@ +// +// win_fd_set_adapter.hpp +// ~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2008 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 BOOST_ASIO_DETAIL_WIN_FD_SET_ADAPTER_HPP +#define BOOST_ASIO_DETAIL_WIN_FD_SET_ADAPTER_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/push_options.hpp> + +#include <boost/asio/detail/socket_types.hpp> + +#if defined(BOOST_WINDOWS) || defined(__CYGWIN__) + +namespace boost { +namespace asio { +namespace detail { + +// Adapts the FD_SET type to meet the Descriptor_Set concept's requirements. +class win_fd_set_adapter +{ +public: + enum { win_fd_set_size = 1024 }; + + win_fd_set_adapter() + : max_descriptor_(invalid_socket) + { + fd_set_.fd_count = 0; + } + + bool set(socket_type descriptor) + { + for (u_int i = 0; i < fd_set_.fd_count; ++i) + if (fd_set_.fd_array[i] == descriptor) + return true; + if (fd_set_.fd_count < win_fd_set_size) + { + fd_set_.fd_array[fd_set_.fd_count++] = descriptor; + return true; + } + return false; + } + + bool is_set(socket_type descriptor) const + { + return !!__WSAFDIsSet(descriptor, + const_cast<fd_set*>(reinterpret_cast<const fd_set*>(&fd_set_))); + } + + operator fd_set*() + { + return reinterpret_cast<fd_set*>(&fd_set_); + } + + socket_type max_descriptor() const + { + return max_descriptor_; + } + +private: + // This structure is defined to be compatible with the Windows API fd_set + // structure, but without being dependent on the value of FD_SETSIZE. + struct win_fd_set + { + u_int fd_count; + SOCKET fd_array[win_fd_set_size]; + }; + + win_fd_set fd_set_; + socket_type max_descriptor_; +}; + +} // namespace detail +} // namespace asio +} // namespace boost + +#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__) + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_DETAIL_WIN_FD_SET_ADAPTER_HPP |