io/mac/mac_mod.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 * MAC Services Module
 */

#include <sys/types.h>
#include <sys/conf.h>
#include <sys/stat.h>
#include <sys/stream.h>
#include <sys/modctl.h>
#include <sys/atomic.h>

#include <sys/mac.h>
#include <sys/mac_impl.h>

static struct modlmisc      i_mac_modlmisc = {
    &mod_miscops,
    MAC_INFO
};

static struct modlinkage    i_mac_modlinkage = {
    MODREV_1,
    &i_mac_modlmisc,
    NULL
};

/*
 * Module initialization functions.
 */

static void
i_mac_mod_init(void)
{
    mac_init();
}

static int
i_mac_mod_fini(void)
{
    int err;

    if ((err = mac_fini()) != 0)
        return (err);

    return (0);
}

/*
 * modlinkage functions.
 */

int
_init(void)
{
    int err;

    i_mac_mod_init();

    if ((err = mod_install(&i_mac_modlinkage)) != 0) {
        (void) i_mac_mod_fini();
        return (err);
    }

#ifdef  DEBUG
    cmn_err(CE_NOTE, "!%s loaded", MAC_INFO);
#endif  /* DEBUG */

    return (0);
}

int
_fini(void)
{
    int err;

    if ((err = i_mac_mod_fini()) != 0)
        return (err);

    if ((err = mod_remove(&i_mac_modlinkage)) != 0)
        return (err);

#ifdef  DEBUG
    cmn_err(CE_NOTE, "!%s unloaded", MAC_INFO);
#endif  /* DEBUG */

    return (0);
}

int
_info(struct modinfo *modinfop)
{
    return (mod_info(&i_mac_modlinkage, modinfop));
}