ceph/src/boost/boost/fiber/numa/topology.hpp

   1
   2 //          Copyright Oliver Kowalke 2017.
   3 // Distributed under the Boost Software License, Version 1.0.
   4 //    (See accompanying file LICENSE_1_0.txt or copy at
   5 //          http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #ifndef BOOST_FIBERS_NUMA_TOPOLOGY_H
   8 #define BOOST_FIBERS_NUMA_TOPOLOGY_H
   9
  10 #include <cstdint>
  11 #include <set>
  12 #include <vector>
  13
  14 #include <boost/config.hpp>
  15
  16 #include <boost/fiber/detail/config.hpp>
  17
  18 #ifdef BOOST_HAS_ABI_HEADERS
  19 # include BOOST_ABI_PREFIX
  20 #endif
  21
  22 namespace boost {
  23 namespace fibers {
  24 namespace numa {
  25
  26 struct node {
  27     std::uint32_t                   id;
  28     std::set< std::uint32_t >       logical_cpus;
  29     std::vector< std::uint32_t >    distance;
  30 };
  31
  32 inline
  33 bool operator<( node const& lhs, node const& rhs) noexcept {
  34     return lhs.id < rhs.id;
  35 }
  36
  37 BOOST_FIBERS_DECL
  38 std::vector< node > topology();
  39
  40 }}}
  41
  42 #ifdef BOOST_HAS_ABI_HEADERS
  43 # include BOOST_ABI_SUFFIX
  44 #endif
  45
  46 #endif // BOOST_FIBERS_NUMA_TOPOLOGY_H