diff options
Diffstat (limited to 'src/third_party/boost-1.56.0/boost/asio/detail/win_fd_set_adapter.hpp')
-rw-r--r-- | src/third_party/boost-1.56.0/boost/asio/detail/win_fd_set_adapter.hpp | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/src/third_party/boost-1.56.0/boost/asio/detail/win_fd_set_adapter.hpp b/src/third_party/boost-1.56.0/boost/asio/detail/win_fd_set_adapter.hpp deleted file mode 100644 index 89f5ffdbef2..00000000000 --- a/src/third_party/boost-1.56.0/boost/asio/detail/win_fd_set_adapter.hpp +++ /dev/null @@ -1,151 +0,0 @@ -// -// detail/win_fd_set_adapter.hpp -// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -// -// Copyright (c) 2003-2014 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/config.hpp> - -#if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__) - -#include <boost/asio/detail/noncopyable.hpp> -#include <boost/asio/detail/reactor_op_queue.hpp> -#include <boost/asio/detail/socket_types.hpp> - -#include <boost/asio/detail/push_options.hpp> - -namespace boost { -namespace asio { -namespace detail { - -// Adapts the FD_SET type to meet the Descriptor_Set concept's requirements. -class win_fd_set_adapter : noncopyable -{ -public: - enum { default_fd_set_size = 1024 }; - - win_fd_set_adapter() - : capacity_(default_fd_set_size), - max_descriptor_(invalid_socket) - { - fd_set_ = static_cast<win_fd_set*>(::operator new( - sizeof(win_fd_set) - sizeof(SOCKET) - + sizeof(SOCKET) * (capacity_))); - fd_set_->fd_count = 0; - } - - ~win_fd_set_adapter() - { - ::operator delete(fd_set_); - } - - void reset() - { - fd_set_->fd_count = 0; - max_descriptor_ = invalid_socket; - } - - 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; - - reserve(fd_set_->fd_count + 1); - fd_set_->fd_array[fd_set_->fd_count++] = descriptor; - return true; - } - - void set(reactor_op_queue<socket_type>& operations, op_queue<operation>&) - { - reactor_op_queue<socket_type>::iterator i = operations.begin(); - while (i != operations.end()) - { - reactor_op_queue<socket_type>::iterator op_iter = i++; - reserve(fd_set_->fd_count + 1); - fd_set_->fd_array[fd_set_->fd_count++] = op_iter->first; - } - } - - 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_; - } - - void perform(reactor_op_queue<socket_type>& operations, - op_queue<operation>& ops) const - { - for (u_int i = 0; i < fd_set_->fd_count; ++i) - operations.perform_operations(fd_set_->fd_array[i], ops); - } - -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. We use - // the "struct hack" to allow the number of descriptors to be varied at - // runtime. - struct win_fd_set - { - u_int fd_count; - SOCKET fd_array[1]; - }; - - // Increase the fd_set_ capacity to at least the specified number of elements. - void reserve(u_int n) - { - if (n <= capacity_) - return; - - u_int new_capacity = capacity_ + capacity_ / 2; - if (new_capacity < n) - new_capacity = n; - - win_fd_set* new_fd_set = static_cast<win_fd_set*>(::operator new( - sizeof(win_fd_set) - sizeof(SOCKET) - + sizeof(SOCKET) * (new_capacity))); - - new_fd_set->fd_count = fd_set_->fd_count; - for (u_int i = 0; i < fd_set_->fd_count; ++i) - new_fd_set->fd_array[i] = fd_set_->fd_array[i]; - - ::operator delete(fd_set_); - fd_set_ = new_fd_set; - capacity_ = new_capacity; - } - - win_fd_set* fd_set_; - u_int capacity_; - socket_type max_descriptor_; -}; - -} // namespace detail -} // namespace asio -} // namespace boost - -#include <boost/asio/detail/pop_options.hpp> - -#endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__) - -#endif // BOOST_ASIO_DETAIL_WIN_FD_SET_ADAPTER_HPP |