1 files changed, 178 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/asio/detail/descriptor_ops.hpp b/3rdParty/Boost/boost/asio/detail/descriptor_ops.hpp
new file mode 100644
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--- /dev/null
+++ b/3rdParty/Boost/boost/asio/detail/descriptor_ops.hpp
@@ -0,0 +1,178 @@
+//
+// descriptor_ops.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_DESCRIPTOR_OPS_HPP
+#define BOOST_ASIO_DETAIL_DESCRIPTOR_OPS_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/push_options.hpp>
+#include <boost/config.hpp>
+#include <cerrno>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/error.hpp>
+#include <boost/asio/detail/socket_types.hpp>
+
+#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+namespace boost {
+namespace asio {
+namespace detail {
+namespace descriptor_ops {
+
+inline void clear_error(boost::system::error_code& ec)
+{
+  errno = 0;
+  ec = boost::system::error_code();
+}
+
+template <typename ReturnType>
+inline ReturnType error_wrapper(ReturnType return_value,
+    boost::system::error_code& ec)
+{
+  ec = boost::system::error_code(errno,
+      boost::asio::error::get_system_category());
+  return return_value;
+}
+
+inline int open(const char* path, int flags, boost::system::error_code& ec)
+{
+  clear_error(ec);
+  int result = error_wrapper(::open(path, flags), ec);
+  if (result >= 0)
+    clear_error(ec);
+  return result;
+}
+
+inline int close(int d, boost::system::error_code& ec)
+{
+  clear_error(ec);
+  int result = error_wrapper(::close(d), ec);
+  if (result == 0)
+    clear_error(ec);
+  return result;
+}
+
+inline void init_buf_iov_base(void*& base, void* addr)
+{
+  base = addr;
+}
+
+template <typename T>
+inline void init_buf_iov_base(T& base, void* addr)
+{
+  base = static_cast<T>(addr);
+}
+
+typedef iovec buf;
+
+inline void init_buf(buf& b, void* data, size_t size)
+{
+  init_buf_iov_base(b.iov_base, data);
+  b.iov_len = size;
+}
+
+inline void init_buf(buf& b, const void* data, size_t size)
+{
+  init_buf_iov_base(b.iov_base, const_cast<void*>(data));
+  b.iov_len = size;
+}
+
+inline int scatter_read(int d, buf* bufs, size_t count,
+    boost::system::error_code& ec)
+{
+  clear_error(ec);
+  int result = error_wrapper(::readv(d, bufs, static_cast<int>(count)), ec);
+  if (result >= 0)
+    clear_error(ec);
+  return result;
+}
+
+inline int gather_write(int d, const buf* bufs, size_t count,
+    boost::system::error_code& ec)
+{
+  clear_error(ec);
+  int result = error_wrapper(::writev(d, bufs, static_cast<int>(count)), ec);
+  if (result >= 0)
+    clear_error(ec);
+  return result;
+}
+
+inline int ioctl(int d, long cmd, ioctl_arg_type* arg,
+    boost::system::error_code& ec)
+{
+  clear_error(ec);
+  int result = error_wrapper(::ioctl(d, cmd, arg), ec);
+  if (result >= 0)
+    clear_error(ec);
+  return result;
+}
+
+inline int fcntl(int d, long cmd, boost::system::error_code& ec)
+{
+  clear_error(ec);
+  int result = error_wrapper(::fcntl(d, cmd), ec);
+  if (result != -1)
+    clear_error(ec);
+  return result;
+}
+
+inline int fcntl(int d, long cmd, long arg, boost::system::error_code& ec)
+{
+  clear_error(ec);
+  int result = error_wrapper(::fcntl(d, cmd, arg), ec);
+  if (result != -1)
+    clear_error(ec);
+  return result;
+}
+
+inline int poll_read(int d, boost::system::error_code& ec)
+{
+  clear_error(ec);
+  pollfd fds;
+  fds.fd = d;
+  fds.events = POLLIN;
+  fds.revents = 0;
+  clear_error(ec);
+  int result = error_wrapper(::poll(&fds, 1, -1), ec);
+  if (result >= 0)
+    clear_error(ec);
+  return result;
+}
+
+inline int poll_write(int d, boost::system::error_code& ec)
+{
+  clear_error(ec);
+  pollfd fds;
+  fds.fd = d;
+  fds.events = POLLOUT;
+  fds.revents = 0;
+  clear_error(ec);
+  int result = error_wrapper(::poll(&fds, 1, -1), ec);
+  if (result >= 0)
+    clear_error(ec);
+  return result;
+}
+
+} // namespace descriptor_ops
+} // namespace detail
+} // namespace asio
+} // namespace boost
+
+#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_DETAIL_DESCRIPTOR_OPS_HPP