ceph/src/boost/libs/asio/include/boost/asio/impl/handler_alloc_hook.ipp

   1 //
   2 // impl/handler_alloc_hook.ipp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_IMPL_HANDLER_ALLOC_HOOK_IPP
  12 #define BOOST_ASIO_IMPL_HANDLER_ALLOC_HOOK_IPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19 #include <boost/asio/detail/call_stack.hpp>
  20 #include <boost/asio/handler_alloc_hook.hpp>
  21
  22 #if !defined(BOOST_ASIO_DISABLE_SMALL_BLOCK_RECYCLING)
  23 # if defined(BOOST_ASIO_HAS_IOCP)
  24 #  include <boost/asio/detail/win_iocp_thread_info.hpp>
  25 # else // defined(BOOST_ASIO_HAS_IOCP)
  26 #  include <boost/asio/detail/task_io_service_thread_info.hpp>
  27 # endif // defined(BOOST_ASIO_HAS_IOCP)
  28 #endif // !defined(BOOST_ASIO_DISABLE_SMALL_BLOCK_RECYCLING)
  29
  30 #include <boost/asio/detail/push_options.hpp>
  31
  32 namespace boost {
  33 namespace asio {
  34
  35 #if defined(BOOST_ASIO_HAS_IOCP)
  36 namespace detail { class win_iocp_io_service; }
  37 #endif // defined(BOOST_ASIO_HAS_IOCP)
  38
  39 void* asio_handler_allocate(std::size_t size, ...)
  40 {
  41 #if !defined(BOOST_ASIO_DISABLE_SMALL_BLOCK_RECYCLING)
  42 # if defined(BOOST_ASIO_HAS_IOCP)
  43   typedef detail::win_iocp_io_service io_service_impl;
  44   typedef detail::win_iocp_thread_info thread_info;
  45 # else // defined(BOOST_ASIO_HAS_IOCP)
  46   typedef detail::task_io_service io_service_impl;
  47   typedef detail::task_io_service_thread_info thread_info;
  48 # endif // defined(BOOST_ASIO_HAS_IOCP)
  49   typedef detail::call_stack<io_service_impl, thread_info> call_stack;
  50   return thread_info::allocate(call_stack::top(), size);
  51 #else // !defined(BOOST_ASIO_DISABLE_SMALL_BLOCK_RECYCLING)
  52   return ::operator new(size);
  53 #endif // !defined(BOOST_ASIO_DISABLE_SMALL_BLOCK_RECYCLING)
  54 }
  55
  56 void asio_handler_deallocate(void* pointer, std::size_t size, ...)
  57 {
  58 #if !defined(BOOST_ASIO_DISABLE_SMALL_BLOCK_RECYCLING)
  59 # if defined(BOOST_ASIO_HAS_IOCP)
  60   typedef detail::win_iocp_io_service io_service_impl;
  61   typedef detail::win_iocp_thread_info thread_info;
  62 # else // defined(BOOST_ASIO_HAS_IOCP)
  63   typedef detail::task_io_service io_service_impl;
  64   typedef detail::task_io_service_thread_info thread_info;
  65 # endif // defined(BOOST_ASIO_HAS_IOCP)
  66   typedef detail::call_stack<io_service_impl, thread_info> call_stack;
  67   thread_info::deallocate(call_stack::top(), pointer, size);
  68 #else // !defined(BOOST_ASIO_DISABLE_SMALL_BLOCK_RECYCLING)
  69   (void)size;
  70   ::operator delete(pointer);
  71 #endif // !defined(BOOST_ASIO_DISABLE_SMALL_BLOCK_RECYCLING)
  72 }
  73
  74 } // namespace asio
  75 } // namespace boost
  76
  77 #include <boost/asio/detail/pop_options.hpp>
  78
  79 #endif // BOOST_ASIO_IMPL_HANDLER_ALLOC_HOOK_IPP