83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
//
|
|
// detail/handler_alloc_helpers.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_HANDLER_ALLOC_HELPERS_HPP
|
|
#define BOOST_ASIO_DETAIL_HANDLER_ALLOC_HELPERS_HPP
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
# pragma once
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
|
|
#include <boost/asio/detail/config.hpp>
|
|
#include <boost/asio/detail/addressof.hpp>
|
|
#include <boost/asio/detail/noncopyable.hpp>
|
|
#include <boost/asio/handler_alloc_hook.hpp>
|
|
|
|
#include <boost/asio/detail/push_options.hpp>
|
|
|
|
// Calls to asio_handler_allocate and asio_handler_deallocate must be made from
|
|
// a namespace that does not contain any overloads of these functions. The
|
|
// boost_asio_handler_alloc_helpers namespace is defined here for that purpose.
|
|
namespace boost_asio_handler_alloc_helpers {
|
|
|
|
template <typename Handler>
|
|
inline void* allocate(std::size_t s, Handler& h)
|
|
{
|
|
#if !defined(BOOST_ASIO_HAS_HANDLER_HOOKS)
|
|
return ::operator new(s);
|
|
#else
|
|
using boost::asio::asio_handler_allocate;
|
|
return asio_handler_allocate(s, boost::asio::detail::addressof(h));
|
|
#endif
|
|
}
|
|
|
|
template <typename Handler>
|
|
inline void deallocate(void* p, std::size_t s, Handler& h)
|
|
{
|
|
#if !defined(BOOST_ASIO_HAS_HANDLER_HOOKS)
|
|
::operator delete(p);
|
|
#else
|
|
using boost::asio::asio_handler_deallocate;
|
|
asio_handler_deallocate(p, s, boost::asio::detail::addressof(h));
|
|
#endif
|
|
}
|
|
|
|
} // namespace boost_asio_handler_alloc_helpers
|
|
|
|
#define BOOST_ASIO_DEFINE_HANDLER_PTR(op) \
|
|
struct ptr \
|
|
{ \
|
|
Handler* h; \
|
|
void* v; \
|
|
op* p; \
|
|
~ptr() \
|
|
{ \
|
|
reset(); \
|
|
} \
|
|
void reset() \
|
|
{ \
|
|
if (p) \
|
|
{ \
|
|
p->~op(); \
|
|
p = 0; \
|
|
} \
|
|
if (v) \
|
|
{ \
|
|
boost_asio_handler_alloc_helpers::deallocate(v, sizeof(op), *h); \
|
|
v = 0; \
|
|
} \
|
|
} \
|
|
} \
|
|
/**/
|
|
|
|
#include <boost/asio/detail/pop_options.hpp>
|
|
|
|
#endif // BOOST_ASIO_DETAIL_HANDLER_ALLOC_HELPERS_HPP
|