mincore.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
*/
/*
* Copyright 1991 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* mincore.c SMI 12/14/90 */
#include <errno.h>
#include <syscall.h>
#include <sys/types.h>
#include <unistd.h>
#define INCORE 1; /* return only the incore status bit */
extern int errno;
int mincore(addr, len, vec)
caddr_t addr;
int len;
char *vec;
{
int i;
if (len <0) {
errno = EINVAL;
return(-1);
}
if(_syscall(SYS_mincore, addr, len, vec) == 0) {
for (i=0; i< len/getpagesize(); i++) {
vec[i] &= INCORE;
}
}
}