+ static int already_called = 0;
+ if (!already_called) {
+ already_called = 1;
+ xbt_dynar_t hosts = MSG_hosts_as_dynar();
+ unsigned int cursor;
+ void* h;
+ xbt_dynar_foreach(hosts, cursor, h) {
+ simgrid::s4u::Host* host = static_cast<simgrid::s4u::Host*>(h);
+ host->extension_set(new simgrid::smpi::SmpiHost(host));
+ }
+ xbt_dynar_free(&hosts);
+ }
+