auto_mnttab.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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
*/
/*
* auto_mnttab.c
*
* Copyright (c) 1988-1999 Sun Microsystems Inc
* All Rights Reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <sys/mnttab.h>
#include <sys/mkdev.h>
#include "automount.h"
static mutex_t mnttab_lock = DEFAULTMUTEX;
/*
* XXX - Serialize calls to fsgetmntlist, so that threads can get consistent
* snapshots of the in-kernel mnttab. This function should be removed
* once getextmntent is made MT-safe and callers can invoke fsgetmntlist
* directly.
*/
struct mntlist *
getmntlist()
{
struct mntlist *mntl;
(void) mutex_lock(&mnttab_lock);
mntl = fsgetmntlist();
(void) mutex_unlock(&mnttab_lock);
return (mntl);
}
/*
* Return device number from extmnttab struct
*/
dev_t
get_devid(mnt)
struct extmnttab *mnt;
{
return (makedev(mnt->mnt_major, mnt->mnt_minor));
}