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 #pragma ident "%Z%%M% %I% %E% SMI" 23 24 /* 25 * Copyright (c) 1988 by Sun Microsystems, Inc. 26 */ 27 28 #include <sys/types.h> 29 #include <sys/mman.h> 30 #include <errno.h> 31 32 /* 33 * Function to synchronize address range with backing store. 34 */ 35 36 /*LINTLIBRARY*/ 37 msync(addr, len, flags) 38 caddr_t addr; 39 u_int len; 40 int flags; 41 { 42 if ((int)len <= 0) { 43 errno = EINVAL; 44 return (-1); 45 } 46 return (mctl(addr, len, MC_SYNC, flags)); 47 } 48