Function siftr_load_handler

freebsd/netinet/siftr.c:1555–1580

* This is the function that is called to load and unload the module. * When the module is loaded, this function is called once with * "what" == MOD_LOAD * When the module is unloaded, this function is called twice with * "what" = MOD_QUIESCE first, followed by "what" = MOD_UNLOAD second * When the system is shut down e.g. CTRL-ALT-DEL or using the shutdown command, * this function is called

 * of the shutdown sequence i.e. after the disks have been synced.
 */
static int
siftr_load_handler(module_t mod, int what, void *arg)
{
	int ret;

	switch (what) {
	case MOD_LOAD:
		ret = init_siftr();
		break;

	case MOD_QUIESCE:
	case MOD_SHUTDOWN:
		ret = deinit_siftr();
		break;

	case MOD_UNLOAD:
		ret = 0;
		break;

	default:
		ret = EINVAL;
		break;
	}

	return (ret);
}

static moduledata_t siftr_mod = {
	.name = "siftr",