.. _program_listing_file__tmp_ws_src_fastrtps_include_fastrtps_utils_collections_foonathan_memory_helpers.hpp:

Program Listing for File foonathan_memory_helpers.hpp
=====================================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_fastrtps_include_fastrtps_utils_collections_foonathan_memory_helpers.hpp>` (``/tmp/ws/src/fastrtps/include/fastrtps/utils/collections/foonathan_memory_helpers.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2019 Proyectos y Sistemas de Mantenimiento SL (eProsima).
   //
   // Licensed under the Apache License, Version 2.0 (the "License");
   // you may not use this file except in compliance with the License.
   // You may obtain a copy of the License at
   //
   //     http://www.apache.org/licenses/LICENSE-2.0
   //
   // Unless required by applicable law or agreed to in writing, software
   // distributed under the License is distributed on an "AS IS" BASIS,
   // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   // See the License for the specific language governing permissions and
   // limitations under the License.
   
   #ifndef FASTRTPS_UTILS_COLLECTIONS_FOONATHAN_MEMORY_HELPERS_HPP_
   #define FASTRTPS_UTILS_COLLECTIONS_FOONATHAN_MEMORY_HELPERS_HPP_
   
   #include <foonathan/memory/memory_pool.hpp>
   #include <foonathan/memory/detail/debug_helpers.hpp>
   
   #include "ResourceLimitedContainerConfig.hpp"
   #include "fastrtps/config.h"
   
   namespace eprosima {
   namespace fastrtps {
   
   template <typename MemoryPool>
   std::size_t memory_pool_block_size(
           std::size_t node_size,
           const ResourceLimitedContainerConfig& limits)
   {
       FASTDDS_DEPRECATED_UNTIL(3, "eprosima::fastrtps::memory_pool_block_size", "You should not use this method")
       namespace fm = foonathan::memory;
   
       size_t num_elems = limits.increment > 0 ? limits.initial : limits.maximum;
       if (num_elems < 1u)
       {
           num_elems = 1u;
       }
   
       return num_elems
              * ((node_size > MemoryPool::min_node_size ? node_size : MemoryPool::min_node_size) // Room for elements
   #if FOONATHAN_MEMORY_DEBUG_DOUBLE_DEALLOC_CHECK
              * (fm::detail::debug_fence_size ? 3 : 1))                                          // Room for debug info
   #else
              + (fm::detail::debug_fence_size ? 2 * fm::detail::max_alignment : 0))              // Room for debug info
   #endif // if FOONATHAN_MEMORY_DEBUG_DOUBLE_DEALLOC_CHECK
   #ifdef FOONATHAN_MEMORY_MEMORY_POOL_HAS_MIN_BLOCK_SIZE
              + fm::detail::memory_block_stack::implementation_offset();                         // Room for padding
   #else
              + fm::detail::memory_block_stack::implementation_offset;                           // Room for padding
   #endif  // FOONATHAN_MEMORY_MEMORY_POOL_HAS_MIN_BLOCK_SIZE
   }
   
   }  // namespace fastrtps
   }  // namespace eprosima
   
   #endif /* FASTRTPS_UTILS_COLLECTIONS_FOONATHAN_MEMORY_HELPERS_HPP_ */