1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * auto_mnttab.c 24 * 25 * Copyright (c) 1988-1999 Sun Microsystems Inc 26 * All Rights Reserved. 27 */ 28 29 #include <stdio.h> 30 #include <sys/mnttab.h> 31 #include <sys/mkdev.h> 32 #include "automount.h" 33 34 static mutex_t mnttab_lock = DEFAULTMUTEX; 35 36 /* 37 * XXX - Serialize calls to fsgetmntlist, so that threads can get consistent 38 * snapshots of the in-kernel mnttab. This function should be removed 39 * once getextmntent is made MT-safe and callers can invoke fsgetmntlist 40 * directly. 41 */ 42 struct mntlist * getmntlist()43getmntlist() 44 { 45 struct mntlist *mntl; 46 47 (void) mutex_lock(&mnttab_lock); 48 mntl = fsgetmntlist(); 49 (void) mutex_unlock(&mnttab_lock); 50 return (mntl); 51 } 52 53 /* 54 * Return device number from extmnttab struct 55 */ 56 dev_t get_devid(mnt)57get_devid(mnt) 58 struct extmnttab *mnt; 59 { 60 return (makedev(mnt->mnt_major, mnt->mnt_minor)); 61 } 62