C++ (Cpp) npf_autounload_p Examples

Example #1

/*
 * Module interface.
 */
static int
npf_modcmd(modcmd_t cmd, void *arg)
{

	switch (cmd) {
	case MODULE_CMD_INIT:
		return npf_init();
	case MODULE_CMD_FINI:
		return npf_fini();
	case MODULE_CMD_AUTOUNLOAD:
		if (npf_autounload_p()) {
			return EBUSY;
		}
		break;
	default:
		return ENOTTY;
	}
	return 0;
}

Example #2

/*
 * Module interface.
 */
static int
npf_ext_log_modcmd(modcmd_t cmd, void *arg)
{
	static const npf_ext_ops_t npf_log_ops = {
		.version	= NPFEXT_LOG_VER,
		.ctx		= NULL,
		.ctor		= npf_log_ctor,
		.dtor		= npf_log_dtor,
		.proc		= npf_log
	};
	int error;

	switch (cmd) {
	case MODULE_CMD_INIT:
		/*
		 * Initialise the NPF logging extension.
		 */
		npf_ext_log_id = npf_ext_register("log", &npf_log_ops);
		if (!npf_ext_log_id) {
			return EEXIST;
		}
		break;

	case MODULE_CMD_FINI:
		error = npf_ext_unregister(npf_ext_log_id);
		if (error) {
			return error;
		}
		break;

	case MODULE_CMD_AUTOUNLOAD:
		/* Allow auto-unload only if NPF permits it. */
		return npf_autounload_p() ? 0 : EBUSY;

	default:
		return ENOTTY;
	}
	return 0;
}