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 * Copyright 1988 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <sys/mman.h> 31 #include <errno.h> 32 33 /* 34 * Function to provide advise to vm system to optimize it's 35 * characteristics for a particular application 36 */ 37 38 /*LINTLIBRARY*/ 39 int 40 madvise(caddr_t addr, u_int len, int advice) 41 { 42 if (len == 0) { 43 errno = EINVAL; 44 return (-1); 45 } 46 return (mctl(addr, len, MC_ADVISE, advice)); 47 } 48 49 /* 50 * This is only here so programs that use vadvise will not fail 51 * because it is not in the bcp libc. 52 */ 53 int 54 vadvise(int param) 55 { 56 return (0); 57 } 58