Symbol: sys_lwp_setaffinity
sys/kern/init_sysent.c
561
{ AS(lwp_setaffinity_args), 4, (sy_call_t *)sys_lwp_setaffinity }, /* 544 = lwp_setaffinity */
sys/sys/sysproto.h
1776
int sys_lwp_setaffinity (struct sysmsg *sysmsg, const struct lwp_setaffinity_args *);