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

/*
 * Copyright (c) 1988 by Sun Microsystems, Inc.
 */

#include <sys/types.h>
#include <sys/mman.h>
#include <errno.h>

/*
 * Function to synchronize address range with backing store.
 */

/*LINTLIBRARY*/
msync(addr, len, flags)
	caddr_t addr;
	u_int len;
	int flags;
{
	if ((int)len <= 0) {
		errno = EINVAL;
		return (-1);
	}
	return (mctl(addr, len, MC_SYNC, flags));
}