_sched_getparam
return _sched_getparam(pid, P_ALL_LWPS, NULL, param);
ret = _sched_getparam(pid, P_ALL_LWPS, &old_policy, &sp);
ret = _sched_getparam(pid, P_ALL_LWPS, &policy, &sp);
if (_sched_getparam(getpid(), thread->pt_lid, policy, param) < 0)
int _sched_getparam(pid_t, lwpid_t, int *, struct sched_param *);
RL(_sched_getparam(getpid(), d->threadid, &policy, &sp));
RL(_sched_getparam(getpid(), d->threadid, &policy, &sp));
error = _sched_getparam(pid, lid, &policy, &sp);