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Diffstat (limited to 'boost/fiber/numa/topology.hpp')
-rw-r--r-- | boost/fiber/numa/topology.hpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/boost/fiber/numa/topology.hpp b/boost/fiber/numa/topology.hpp new file mode 100644 index 0000000000..7b67fad288 --- /dev/null +++ b/boost/fiber/numa/topology.hpp @@ -0,0 +1,46 @@ + +// Copyright Oliver Kowalke 2017. +// 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_FIBERS_NUMA_TOPOLOGY_H +#define BOOST_FIBERS_NUMA_TOPOLOGY_H + +#include <cstdint> +#include <set> +#include <vector> + +#include <boost/config.hpp> + +#include <boost/fiber/detail/config.hpp> + +#ifdef BOOST_HAS_ABI_HEADERS +# include BOOST_ABI_PREFIX +#endif + +namespace boost { +namespace fibers { +namespace numa { + +struct node { + std::uint32_t id; + std::set< std::uint32_t > logical_cpus; + std::vector< std::uint32_t > distance; +}; + +inline +bool operator<( node const& lhs, node const& rhs) noexcept { + return lhs.id < rhs.id; +} + +BOOST_FIBERS_DECL +std::vector< node > topology(); + +}}} + +#ifdef BOOST_HAS_ABI_HEADERS +# include BOOST_ABI_SUFFIX +#endif + +#endif // BOOST_FIBERS_NUMA_TOPOLOGY_H |