mask_type decode_mapping(hwloc_topology const& t,
mapping_type& m, std::vector<mask_type>& affinities,
std::size_t thread_index, error_code& ec)
{
std::size_t size = affinities.size();
mask_type mask;
switch (m[0].type_) {
case spec_type::socket:
// requested top level is a socket
mask = decode_mapping_socket(t, m, size, thread_index, ec);
break;
case spec_type::numanode:
// requested top level is a NUMA node
mask = decode_mapping_numanode(t, m, size, thread_index, ec);
break;
case spec_type::unknown:
// no top level is requested
mask = decode_mapping0_unknown(t, m, size,
t.get_machine_affinity_mask(), 0, thread_index, ec);
break;
default:
HPX_THROWS_IF(ec, bad_parameter, "decode_mapping",
boost::str(boost::format("unexpected specification type at "
"index zero: %x (%s)") %
static_cast<unsigned>(m[0].type_) %
spec_type::type_name(m[0].type_)));
return mask_type();
}
return mask;
}
mask_cref_type extract_machine_mask(hwloc_topology const& t, error_code& ec)
{
return t.get_machine_affinity_mask(ec);
}