pthread_getschedparam
(void) pthread_getschedparam(p->plg_tid, &policy, ¶m);
extern int pthread_getschedparam(pthread_t, int *_RESTRICT_KYWD,
if ((error = pthread_getschedparam(tid, &policy, ¶m)) == 0)
if ((error = pthread_getschedparam(tid, &policy, ¶m)) != 0)