Symbol: PIOCWAIT
sys/vfs/procfs/procfs_vnops.c
357
case PIOCWAIT:
usr.bin/truss/main.c
231
if (ioctl(Procfd, PIOCWAIT, &pfs) == -1) {
usr.bin/truss/setup.c
109
if (ioctl(fd, PIOCWAIT, &pfs) == -1)