uid=0 euid=0 pid=911  SCHED_OTHER=2 SCHED_FIFO=1 SCHED_RR=3
sched_setparam(0, {0})                         rc=-1 errno=22 (Invalid argument)
sched_getparam(0, &sp)                         rc=0 errno=0
sched_getscheduler(0)                          rc=2 errno=0
sched_setscheduler(0, SCHED_RR, {0})           rc=0 errno=0
sched_rr_get_interval(0, &ts)                  rc=0 errno=0
sched_setparam(self, {0})                      rc=0 errno=0
sched_getscheduler(self)                       rc=3 errno=0
sched_getscheduler(1)                          rc=2 errno=0
sched_getparam(1, &sp)                         rc=0 errno=0
sched_getscheduler(999999)                     rc=-1 errno=3 (No such process)
sched_getscheduler(-1)                         rc=-1 errno=3 (No such process)
sched_setparam(-1, {0})                        rc=-1 errno=3 (No such process)
sched_getscheduler(-99999999)                  rc=-1 errno=3 (No such process)
sched_yield()                                  rc=0 errno=0
sched_get_priority_max(SCHED_FIFO)             rc=31 errno=0
sched_get_priority_min(SCHED_FIFO)             rc=0 errno=0
sched_get_priority_max(SCHED_OTHER)            rc=20 errno=0
sched_get_priority_max(4711)                   rc=-1 errno=22 (Invalid argument)
sched_setscheduler(0, 0 /*Linux SCHED_OTHER*/, {0}) rc=0 errno=0
sched_setscheduler(0, 4711, {0})               rc=0 errno=0
sched_setscheduler(0, -1, {0})                 rc=0 errno=0
sched_setscheduler(0, INT_MAX, {0})            rc=0 errno=0
EXIT=0