/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (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 2008 Sun Microsystems, Inc.  All rights reserved.

 * Use is subject to license terms.

 */

/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/

/*	  All Rights Reserved  	*/

/*

 * Portions of this source code were derived from Berkeley 4.3 BSD

 * under license from the Regents of the University of California.

 */

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

/*

 * Compatibility lib for BSD's getrusgae(). Only the

 * CPU time usage is supported for RUSAGE_CHILDREN, and hence does not

 * fully support BSD's rusage semantics.

 */

#include "lint.h"

#include <sys/types.h>

#include <sys/time.h>

#include <sys/times.h>

#include <stdio.h>

#include <sys/param.h>

#include <errno.h>

#include <sys/resource.h>

#include <sys/vm_usage.h>

#include <fcntl.h>

#include <sys/fcntl.h>

#include <procfs.h>

#include <string.h>

#include <unistd.h>

int __rusagesys(int, struct rusage *);

int

getrusage(int who, struct rusage *rusage)

{

	switch (who) {

	case RUSAGE_SELF:

		return (__rusagesys(_RUSAGESYS_GETRUSAGE, rusage));

	case RUSAGE_LWP:

		return (__rusagesys(_RUSAGESYS_GETRUSAGE_LWP, rusage));

	case RUSAGE_CHILDREN:

		return (__rusagesys(_RUSAGESYS_GETRUSAGE_CHLD, rusage));

	default:

		errno = EINVAL;

		return (-1);

	}

}

int

getvmusage(uint_t flags, time_t age, vmusage_t *buf, size_t *nres)

{

	return (syscall(SYS_rusagesys, _RUSAGESYS_GETVMUSAGE, flags, age,

	    buf, nres));

}