.. _program_listing_file_BackendLibfabric_Buffer.cpp:

Program Listing for File Buffer.cpp
===================================

|exhale_lsh| :ref:`Return to documentation for file <file_BackendLibfabric_Buffer.cpp>` (``BackendLibfabric/Buffer.cpp``)

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

.. code-block:: cpp

   #include "Buffer.hpp"
   
   #include <set>
   
   std::vector<std::uint64_t> netio3::libfabric::HeaderBuffer::get_pending_sends()
   {
     std::set<std::uint64_t> indices{};
     std::ranges::generate_n(std::inserter(indices, indices.end()), ZERO_COPY_NUM_HEADER_SLOTS, [i = 0]() mutable { return i++; });
     std::size_t index_available{};
     while(m_available_header_buffers.try_pop(index_available))
     {
       indices.erase(index_available);
     }
     std::vector<std::uint64_t> keys{};
     std::ranges::transform(
       indices, std::back_inserter(keys), [this](std::size_t index_not_available) {
         return m_keys[index_not_available];
       });
     return keys;
   }