pthread_getname_np
int pthread_getname_np(pthread_t, char *, size_t);
RZ(pthread_getname_np(pthread_self(), name, sizeof(name)));
PTHREAD_REQUIRE(pthread_getname_np(self, retname, sizeof(retname)));
PTHREAD_REQUIRE(pthread_getname_np(self, retname, sizeof(retname)));
PTHREAD_REQUIRE(pthread_getname_np(self, retname, sizeof(retname)));
ATF_REQUIRE_EQ(pthread_getname_np(thr, retname, sizeof(retname)), ESRCH);