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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/asio/windows/overlapped_ptr.hpp
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+//
+// overlapped_ptr.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_WINDOWS_OVERLAPPED_PTR_HPP
+#define BOOST_ASIO_WINDOWS_OVERLAPPED_PTR_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/io_service.hpp>
+#include <boost/asio/detail/noncopyable.hpp>
+#include <boost/asio/detail/win_iocp_overlapped_ptr.hpp>
+
+#if !defined(BOOST_ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR)
+# if defined(BOOST_ASIO_HAS_IOCP)
+# define BOOST_ASIO_HAS_WINDOWS_OVERLAPPED_PTR 1
+# endif // defined(BOOST_ASIO_HAS_IOCP)
+#endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR)
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_OVERLAPPED_PTR) \
+ || defined(GENERATING_DOCUMENTATION)
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Wraps a handler to create an OVERLAPPED object for use with overlapped I/O.
+/**
+ * A special-purpose smart pointer used to wrap an application handler so that
+ * it can be passed as the LPOVERLAPPED argument to overlapped I/O functions.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+class overlapped_ptr
+ : private noncopyable
+{
+public:
+ /// Construct an empty overlapped_ptr.
+ overlapped_ptr()
+ : impl_()
+ {
+ }
+
+ /// Construct an overlapped_ptr to contain the specified handler.
+ template <typename Handler>
+ explicit overlapped_ptr(boost::asio::io_service& io_service, Handler handler)
+ : impl_(io_service, handler)
+ {
+ }
+
+ /// Destructor automatically frees the OVERLAPPED object unless released.
+ ~overlapped_ptr()
+ {
+ }
+
+ /// Reset to empty.
+ void reset()
+ {
+ impl_.reset();
+ }
+
+ /// Reset to contain the specified handler, freeing any current OVERLAPPED
+ /// object.
+ template <typename Handler>
+ void reset(boost::asio::io_service& io_service, Handler handler)
+ {
+ impl_.reset(io_service, handler);
+ }
+
+ /// Get the contained OVERLAPPED object.
+ OVERLAPPED* get()
+ {
+ return impl_.get();
+ }
+
+ /// Get the contained OVERLAPPED object.
+ const OVERLAPPED* get() const
+ {
+ return impl_.get();
+ }
+
+ /// Release ownership of the OVERLAPPED object.
+ OVERLAPPED* release()
+ {
+ return impl_.release();
+ }
+
+ /// Post completion notification for overlapped operation. Releases ownership.
+ void complete(const boost::system::error_code& ec,
+ std::size_t bytes_transferred)
+ {
+ impl_.complete(ec, bytes_transferred);
+ }
+
+private:
+ detail::win_iocp_overlapped_ptr impl_;
+};
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_OVERLAPPED_PTR)
+ // || defined(GENERATING_DOCUMENTATION)
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_WINDOWS_OVERLAPPED_PTR_HPP