/usr/include/asio/windows/overlapped_ptr.hpp is in libasio-dev 1:1.10.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// windows/overlapped_ptr.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2016 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 ASIO_WINDOWS_OVERLAPPED_PTR_HPP
#define ASIO_WINDOWS_OVERLAPPED_PTR_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#if defined(ASIO_HAS_WINDOWS_OVERLAPPED_PTR) \
|| defined(GENERATING_DOCUMENTATION)
#include "asio/detail/noncopyable.hpp"
#include "asio/detail/win_iocp_overlapped_ptr.hpp"
#include "asio/io_service.hpp"
#include "asio/detail/push_options.hpp"
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(asio::io_service& io_service,
ASIO_MOVE_ARG(Handler) handler)
: impl_(io_service, ASIO_MOVE_CAST(Handler)(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(asio::io_service& io_service,
ASIO_MOVE_ARG(Handler) handler)
{
impl_.reset(io_service, ASIO_MOVE_CAST(Handler)(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 asio::error_code& ec,
std::size_t bytes_transferred)
{
impl_.complete(ec, bytes_transferred);
}
private:
detail::win_iocp_overlapped_ptr impl_;
};
} // namespace windows
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // defined(ASIO_HAS_WINDOWS_OVERLAPPED_PTR)
// || defined(GENERATING_DOCUMENTATION)
#endif // ASIO_WINDOWS_OVERLAPPED_PTR_HPP
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