static int
snp_modevent(module_t mod, int type, void *data)
{
int i;
lwkt_gettoken(&tty_token);
switch (type) {
case MOD_LOAD:
snooplinedisc = ldisc_register(LDISC_LOAD, &snpdisc);
make_autoclone_dev(&snp_ops, &DEVFS_CLONE_BITMAP(snp),
snpclone, UID_ROOT, GID_WHEEL, 0600, "snp");
for (i = 0; i < SNP_PREALLOCATED_UNITS; i++) {
make_dev(&snp_ops, i, UID_ROOT, GID_WHEEL, 0600, "snp%d", i);
devfs_clone_bitmap_set(&DEVFS_CLONE_BITMAP(snp), i);
}
break;
case MOD_UNLOAD:
if (!LIST_EMPTY(&snp_sclist)) {
lwkt_reltoken(&tty_token);
return (EBUSY);
}
ldisc_deregister(snooplinedisc);
devfs_clone_handler_del("snp");
dev_ops_remove_all(&snp_ops);
devfs_clone_bitmap_uninit(&DEVFS_CLONE_BITMAP(snp));
break;
default:
break;
}
lwkt_reltoken(&tty_token);
return (0);
}
static void
ptc_drvinit(void *unused)
{
int i;
#ifdef UNIX98_PTYS
/*
* Unix98 pty stuff.
* Create the clonable base device.
*/
make_autoclone_dev(&ptc_ops, &DEVFS_CLONE_BITMAP(pty), ptyclone,
0, 0, 0666, "ptmx");
#endif
for (i = 0; i < 256; i++) {
ptyinit(i);
}
}
