Symbol: lwp_wait
sys/kern/kern_exit.c
653
if (lwp_wait(l, 0, NULL, true)) {
sys/kern/sys_lwp.c
358
error = lwp_wait(l, SCARG(uap, wait_for), &dep, false);
sys/sys/lwp.h
360
int lwp_wait(lwp_t *, lwpid_t, lwpid_t *, bool);