You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
85 lines
2.2 KiB
85 lines
2.2 KiB
// |
|
// detail/handler_alloc_helpers.hpp |
|
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
|
// |
|
// Copyright (c) 2003-2011 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/detail/workaround.hpp> |
|
#include <boost/utility/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 BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) \ |
|
|| BOOST_WORKAROUND(__GNUC__, < 3) |
|
return ::operator new(s); |
|
#else |
|
using boost::asio::asio_handler_allocate; |
|
return asio_handler_allocate(s, boost::addressof(h)); |
|
#endif |
|
} |
|
|
|
template <typename Handler> |
|
inline void deallocate(void* p, std::size_t s, Handler& h) |
|
{ |
|
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) \ |
|
|| BOOST_WORKAROUND(__GNUC__, < 3) |
|
::operator delete(p); |
|
#else |
|
using boost::asio::asio_handler_deallocate; |
|
asio_handler_deallocate(p, s, boost::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
|
|
|